From d5be52b1f55885ef31a9f3a97a6a1aba122cb6fb Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 9 Apr 2013 17:53:08 +0200 Subject: [PATCH] --- yaml --- r: 374006 b: refs/heads/master c: 535409d9b37292257e22654e7b5246b913e51985 h: refs/heads/master v: v3 --- [refs] | 2 +- .../devicetree/bindings/dma/fsl-mxs-dma.txt | 49 ++- .../devicetree/bindings/fb/mxsfb.txt | 36 +- .../devicetree/bindings/i2c/i2c-mxs.txt | 12 +- .../devicetree/bindings/mmc/mxs-mmc.txt | 12 +- .../devicetree/bindings/mtd/gpmi-nand.txt | 17 +- .../bindings/pinctrl/fsl,mxs-pinctrl.txt | 4 + .../devicetree/bindings/spi/mxs-spi.txt | 12 +- .../bindings/tty/serial/fsl-mxs-auart.txt | 16 +- .../Documentation/networking/ipvs-sysctl.txt | 7 + trunk/MAINTAINERS | 23 +- trunk/Makefile | 2 +- trunk/arch/arc/include/asm/dma-mapping.h | 2 +- trunk/arch/arc/include/asm/elf.h | 3 - trunk/arch/arc/include/asm/entry.h | 2 +- trunk/arch/arc/include/asm/kgdb.h | 6 +- trunk/arch/arc/include/asm/ptrace.h | 2 +- trunk/arch/arc/include/asm/syscalls.h | 2 - trunk/arch/arc/include/uapi/asm/ptrace.h | 4 +- trunk/arch/arc/kernel/entry.S | 27 +- trunk/arch/arc/kernel/kgdb.c | 1 + trunk/arch/arc/kernel/setup.c | 4 +- trunk/arch/arc/kernel/sys.c | 2 - trunk/arch/arm/Kconfig | 3 + trunk/arch/arm/Kconfig.debug | 1 + trunk/arch/arm/boot/dts/imx23-evk.dts | 36 +- trunk/arch/arm/boot/dts/imx23-olinuxino.dts | 1 + trunk/arch/arm/boot/dts/imx23.dtsi | 47 ++- trunk/arch/arm/boot/dts/imx28-apf28dev.dts | 25 ++ trunk/arch/arm/boot/dts/imx28-apx4devkit.dts | 25 ++ trunk/arch/arm/boot/dts/imx28-cfa10049.dts | 50 ++- trunk/arch/arm/boot/dts/imx28-evk.dts | 36 +- trunk/arch/arm/boot/dts/imx28-m28evk.dts | 27 ++ trunk/arch/arm/boot/dts/imx28.dtsi | 67 +++- trunk/arch/arm/boot/dts/imx6qdl.dtsi | 8 +- trunk/arch/arm/boot/dts/tegra20.dtsi | 2 +- trunk/arch/arm/boot/dts/tegra30.dtsi | 2 +- trunk/arch/arm/include/asm/smp_twd.h | 8 - trunk/arch/arm/kernel/smp_twd.c | 17 +- trunk/arch/arm/mach-highbank/highbank.c | 5 +- trunk/arch/arm/mach-imx/mach-imx6q.c | 5 +- trunk/arch/arm/mach-mxs/Makefile | 4 - trunk/arch/arm/mach-mxs/include/mach/common.h | 29 -- .../arm/mach-mxs/include/mach/debug-macro.S | 9 +- trunk/arch/arm/mach-mxs/include/mach/digctl.h | 22 -- .../arch/arm/mach-mxs/include/mach/hardware.h | 23 -- trunk/arch/arm/mach-mxs/include/mach/mx23.h | 169 -------- trunk/arch/arm/mach-mxs/include/mach/mx28.h | 225 ----------- trunk/arch/arm/mach-mxs/include/mach/mxs.h | 117 ------ trunk/arch/arm/mach-mxs/mach-mxs.c | 343 +++++++--------- trunk/arch/arm/mach-mxs/mm.c | 52 --- trunk/arch/arm/mach-mxs/ocotp.c | 93 ----- trunk/arch/arm/mach-mxs/system.c | 139 ------- trunk/arch/arm/mach-omap2/timer.c | 2 +- trunk/arch/arm/mach-spear13xx/spear13xx.c | 4 +- trunk/arch/arm/mach-ux500/timer.c | 3 +- trunk/arch/arm/mach-vexpress/v2m.c | 6 +- trunk/arch/arm64/mm/mmu.c | 2 +- trunk/arch/ia64/kernel/process.c | 5 +- trunk/arch/powerpc/kernel/epapr_paravirt.c | 6 + trunk/arch/powerpc/kernel/exceptions-64s.S | 144 +++---- trunk/arch/x86/include/asm/xen/hypercall.h | 4 +- trunk/arch/x86/include/uapi/asm/msr-index.h | 1 + trunk/arch/x86/kernel/microcode_intel_early.c | 30 +- trunk/arch/x86/lib/usercopy_64.c | 4 +- trunk/arch/x86/xen/mmu.c | 3 +- trunk/block/blk-flush.c | 2 +- trunk/block/partition-generic.c | 1 + trunk/drivers/acpi/apei/cper.c | 2 +- trunk/drivers/acpi/pci_root.c | 9 +- trunk/drivers/acpi/sleep.c | 8 + trunk/drivers/block/Kconfig | 4 +- trunk/drivers/block/cciss.c | 2 +- trunk/drivers/block/loop.c | 22 +- trunk/drivers/block/mg_disk.c | 4 +- trunk/drivers/block/mtip32xx/mtip32xx.c | 4 +- trunk/drivers/block/rbd.c | 47 ++- trunk/drivers/block/rsxx/Makefile | 2 +- trunk/drivers/block/rsxx/config.c | 8 +- trunk/drivers/block/rsxx/core.c | 237 ++++++++++- trunk/drivers/block/rsxx/cregs.c | 112 ++++-- trunk/drivers/block/rsxx/dma.c | 239 +++++++---- trunk/drivers/block/rsxx/rsxx.h | 6 +- trunk/drivers/block/rsxx/rsxx_cfg.h | 2 +- trunk/drivers/block/rsxx/rsxx_priv.h | 34 +- trunk/drivers/block/xen-blkback/blkback.c | 68 ++-- trunk/drivers/block/xen-blkback/common.h | 40 +- trunk/drivers/block/xen-blkback/xenbus.c | 14 +- trunk/drivers/block/xen-blkfront.c | 154 +++++--- trunk/drivers/bluetooth/ath3k.c | 4 + trunk/drivers/bluetooth/btusb.c | 2 + trunk/drivers/clk/mxs/clk-imx23.c | 42 +- trunk/drivers/clk/mxs/clk-imx28.c | 42 +- trunk/drivers/clocksource/Makefile | 1 + trunk/drivers/clocksource/bcm2835_timer.c | 12 +- trunk/drivers/clocksource/clksrc-of.c | 4 +- .../clocksource/mxs_timer.c} | 36 +- trunk/drivers/clocksource/tegra20_timer.c | 73 ++-- trunk/drivers/clocksource/vt8500_timer.c | 14 +- trunk/drivers/cpufreq/acpi-cpufreq.c | 2 - trunk/drivers/cpufreq/cpufreq_stats.c | 12 +- trunk/drivers/cpufreq/intel_pstate.c | 34 +- trunk/drivers/crypto/caam/caamalg.c | 27 +- trunk/drivers/crypto/caam/compat.h | 1 - trunk/drivers/crypto/talitos.c | 30 +- trunk/drivers/dma/dw_dmac.c | 23 +- trunk/drivers/dma/dw_dmac_regs.h | 1 + trunk/drivers/dma/mxs-dma.c | 109 ++++-- trunk/drivers/extcon/extcon-max77693.c | 103 +++-- trunk/drivers/extcon/extcon-max8997.c | 56 +-- trunk/drivers/firmware/Kconfig | 18 + trunk/drivers/firmware/efivars.c | 150 ++++--- trunk/drivers/gpio/gpiolib-of.c | 5 +- .../drivers/gpu/drm/exynos/exynos_drm_fimd.c | 21 +- trunk/drivers/gpu/drm/exynos/exynos_drm_g2d.c | 370 +++++++++++++++--- trunk/drivers/gpu/drm/exynos/exynos_drm_gem.c | 21 + trunk/drivers/gpu/drm/exynos/exynos_drm_gem.h | 5 + .../drivers/gpu/drm/exynos/exynos_drm_vidi.c | 6 +- trunk/drivers/gpu/drm/exynos/exynos_mixer.c | 2 +- trunk/drivers/gpu/drm/i915/i915_drv.c | 5 + trunk/drivers/gpu/drm/i915/i915_drv.h | 1 + trunk/drivers/gpu/drm/i915/intel_display.c | 10 +- trunk/drivers/gpu/drm/i915/intel_panel.c | 13 +- trunk/drivers/gpu/drm/i915/intel_pm.c | 3 + trunk/drivers/hid/hid-ids.h | 6 + trunk/drivers/hid/hid-multitouch.c | 6 +- trunk/drivers/hid/usbhid/hid-quirks.c | 2 + trunk/drivers/i2c/busses/i2c-mxs.c | 40 +- trunk/drivers/infiniband/hw/cxgb4/qp.c | 4 +- .../drivers/infiniband/hw/ipath/ipath_verbs.c | 2 +- trunk/drivers/infiniband/hw/qib/Kconfig | 6 +- trunk/drivers/infiniband/hw/qib/qib_driver.c | 5 +- trunk/drivers/infiniband/hw/qib/qib_iba6120.c | 3 +- trunk/drivers/infiniband/hw/qib/qib_init.c | 8 +- trunk/drivers/infiniband/hw/qib/qib_sd7220.c | 4 +- trunk/drivers/infiniband/hw/qib/qib_verbs.c | 4 +- trunk/drivers/infiniband/ulp/ipoib/ipoib_cm.c | 8 +- trunk/drivers/iommu/Kconfig | 2 +- trunk/drivers/iommu/amd_iommu.c | 22 +- trunk/drivers/iommu/amd_iommu_init.c | 2 +- trunk/drivers/iommu/irq_remapping.c | 1 - trunk/drivers/irqchip/Makefile | 1 + .../icoll.c => drivers/irqchip/irq-mxs.c} | 24 +- trunk/drivers/media/i2c/m5mols/m5mols_core.c | 2 +- trunk/drivers/media/pci/bt8xx/bttv-driver.c | 20 +- .../media/platform/exynos-gsc/gsc-core.c | 8 +- .../media/platform/s5p-fimc/fimc-core.c | 6 +- .../media/platform/s5p-fimc/fimc-lite-reg.c | 8 +- .../media/platform/s5p-fimc/fimc-lite.c | 1 + .../media/platform/s5p-fimc/fimc-mdevice.c | 39 +- .../drivers/media/platform/s5p-mfc/s5p_mfc.c | 2 +- .../media/platform/s5p-mfc/s5p_mfc_enc.c | 1 + trunk/drivers/media/rc/Kconfig | 2 +- trunk/drivers/media/v4l2-core/Makefile | 2 +- trunk/drivers/misc/mei/hw-me.c | 29 +- trunk/drivers/misc/mei/init.c | 18 + trunk/drivers/misc/mei/mei_dev.h | 1 + trunk/drivers/misc/mei/pci-me.c | 52 +-- trunk/drivers/misc/vmw_vmci/vmci_datagram.c | 4 +- trunk/drivers/mmc/host/mxs-mmc.c | 48 +-- trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 51 +-- trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 3 +- trunk/drivers/net/bonding/bond_sysfs.c | 5 + .../net/ethernet/broadcom/bnx2x/bnx2x_dcb.c | 18 +- trunk/drivers/net/ethernet/freescale/fec.c | 24 +- trunk/drivers/net/ethernet/freescale/fec.h | 1 + .../drivers/net/ethernet/freescale/fec_ptp.c | 3 + .../net/ethernet/intel/igb/e1000_82575.c | 33 +- .../net/ethernet/intel/igb/igb_hwmon.c | 2 +- .../drivers/net/ethernet/intel/igb/igb_main.c | 4 +- .../drivers/net/ethernet/intel/igb/igb_ptp.c | 2 +- .../net/ethernet/intel/ixgbevf/ixgbevf_main.c | 24 +- trunk/drivers/net/ethernet/lantiq_etop.c | 2 +- .../net/ethernet/mellanox/mlx4/en_netdev.c | 22 +- trunk/drivers/net/ethernet/mellanox/mlx4/eq.c | 2 +- .../ethernet/mellanox/mlx4/resource_tracker.c | 45 ++- trunk/drivers/net/ethernet/nxp/lpc_eth.c | 3 +- .../ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 4 +- trunk/drivers/net/ethernet/renesas/sh_eth.c | 10 + trunk/drivers/net/ethernet/renesas/sh_eth.h | 1 + trunk/drivers/net/ethernet/ti/cpsw.c | 2 +- .../net/wireless/ath/ath9k/ar9003_calib.c | 4 + trunk/drivers/net/wireless/ath/ath9k/link.c | 26 +- .../drivers/net/wireless/iwlegacy/3945-mac.c | 22 +- trunk/drivers/net/wireless/mwifiex/cmdevt.c | 22 +- trunk/drivers/net/wireless/mwifiex/init.c | 8 + trunk/drivers/net/wireless/mwifiex/main.h | 4 +- trunk/drivers/net/wireless/mwifiex/scan.c | 8 +- .../drivers/net/wireless/mwifiex/sta_ioctl.c | 10 +- trunk/drivers/net/wireless/rtlwifi/usb.c | 1 + trunk/drivers/pinctrl/mvebu/pinctrl-mvebu.c | 2 +- trunk/drivers/pinctrl/pinconf.c | 2 +- trunk/drivers/pinctrl/pinconf.h | 2 +- trunk/drivers/pinctrl/pinctrl-abx500.c | 2 +- trunk/drivers/pinctrl/pinmux.c | 5 + trunk/drivers/rtc/rtc-stmp3xxx.c | 6 +- trunk/drivers/spi/spi-mxs.c | 60 +-- trunk/drivers/staging/comedi/drivers/s626.c | 2 +- trunk/drivers/staging/iio/adc/mxs-lradc.c | 3 - trunk/drivers/staging/zcache/Kconfig | 2 +- trunk/drivers/target/target_core_transport.c | 4 +- .../tty/serial/8250/{8250.c => 8250_core.c} | 6 +- trunk/drivers/tty/serial/8250/8250_pci.c | 13 + trunk/drivers/tty/serial/8250/Kconfig | 17 + trunk/drivers/tty/serial/8250/Makefile | 8 +- trunk/drivers/tty/serial/atmel_serial.c | 11 +- trunk/drivers/tty/serial/mxs-auart.c | 52 +-- trunk/drivers/tty/serial/xilinx_uartps.c | 2 + trunk/drivers/tty/vt/vc_screen.c | 6 +- trunk/drivers/usb/core/hcd.c | 8 + trunk/drivers/usb/core/usb-acpi.c | 8 +- trunk/drivers/usb/gadget/Kconfig | 1 + trunk/drivers/usb/host/ehci-sched.c | 2 + trunk/drivers/usb/host/xhci-mem.c | 36 +- trunk/drivers/usb/host/xhci-pci.c | 1 + trunk/drivers/usb/host/xhci-ring.c | 61 +-- trunk/drivers/usb/host/xhci.c | 22 ++ trunk/drivers/usb/host/xhci.h | 5 + trunk/drivers/usb/phy/Kconfig | 1 + trunk/drivers/usb/serial/ftdi_sio.c | 1 + trunk/drivers/usb/serial/ftdi_sio_ids.h | 7 + trunk/drivers/usb/serial/usb-serial.c | 1 + trunk/drivers/vhost/tcm_vhost.c | 13 +- trunk/drivers/video/Kconfig | 2 + trunk/drivers/video/mxsfb.c | 261 +++++++----- trunk/drivers/video/omap/omapfb_main.c | 2 + .../omap2/displays/panel-tpo-td043mtea1.c | 13 +- trunk/drivers/video/omap2/dss/dss_features.c | 6 +- trunk/drivers/xen/Kconfig | 2 +- trunk/drivers/xen/events.c | 20 +- trunk/drivers/xen/fallback.c | 3 +- trunk/drivers/xen/xen-acpi-processor.c | 3 + trunk/drivers/xen/xen-pciback/pci_stub.c | 59 ++- trunk/firmware/Makefile | 2 +- .../firmware/{qlogic => intel}/sd7220.fw.ihex | 0 trunk/fs/btrfs/ctree.c | 30 +- trunk/fs/btrfs/disk-io.c | 14 +- trunk/fs/btrfs/extent-tree.c | 84 +++- trunk/fs/btrfs/extent_io.c | 33 ++ trunk/fs/btrfs/extent_io.h | 2 + trunk/fs/btrfs/file-item.c | 6 +- trunk/fs/btrfs/file.c | 9 + trunk/fs/btrfs/inode.c | 22 +- trunk/fs/btrfs/ordered-data.c | 2 + trunk/fs/btrfs/qgroup.c | 3 +- trunk/fs/btrfs/scrub.c | 3 +- trunk/fs/btrfs/send.c | 10 +- trunk/fs/btrfs/volumes.c | 13 +- trunk/fs/dcache.c | 16 +- trunk/fs/internal.h | 5 + trunk/fs/namespace.c | 54 ++- trunk/fs/nfs/blocklayout/blocklayoutdm.c | 4 +- trunk/fs/nfs/idmap.c | 13 +- trunk/fs/nfs/nfs4filelayout.c | 1 - trunk/fs/nfs/nfs4proc.c | 16 +- trunk/fs/nfs/pnfs.c | 81 +++- trunk/fs/nfs/pnfs.h | 6 + trunk/fs/nfsd/nfscache.c | 11 +- trunk/fs/nfsd/vfs.c | 3 +- trunk/fs/pnode.c | 6 + trunk/fs/pnode.h | 1 + trunk/fs/proc/root.c | 4 + trunk/fs/read_write.c | 28 ++ trunk/fs/splice.c | 4 +- trunk/fs/sysfs/dir.c | 17 +- trunk/fs/sysfs/mount.c | 4 + trunk/include/linux/clk/mxs.h | 16 + trunk/include/linux/clocksource.h | 1 + trunk/include/linux/debug_locks.h | 4 +- trunk/include/linux/freezer.h | 3 - trunk/include/linux/fs_struct.h | 2 + trunk/include/linux/irqchip/mxs.h | 14 + trunk/include/linux/mfd/max77693-private.h | 23 ++ trunk/include/linux/mm.h | 1 - trunk/include/linux/mman.h | 4 +- trunk/include/linux/mount.h | 2 + trunk/include/linux/mxsfb.h | 49 --- trunk/include/linux/spi/mxs-spi.h | 4 +- trunk/include/linux/thermal.h | 2 +- trunk/include/linux/udp.h | 1 + trunk/include/linux/usb/hcd.h | 2 + trunk/include/linux/user_namespace.h | 4 + trunk/include/net/flow_keys.h | 1 + trunk/include/net/ip_vs.h | 12 + trunk/include/net/ipip.h | 16 +- trunk/include/uapi/linux/packet_diag.h | 4 +- trunk/include/uapi/linux/unix_diag.h | 4 +- trunk/include/xen/interface/io/blkif.h | 10 + trunk/include/xen/interface/physdev.h | 6 + trunk/ipc/mqueue.c | 12 +- trunk/kernel/exit.c | 2 +- trunk/kernel/lockdep.c | 17 +- trunk/kernel/pid_namespace.c | 3 +- trunk/kernel/time/tick-broadcast.c | 3 +- trunk/kernel/user.c | 2 + trunk/kernel/user_namespace.c | 11 + trunk/mm/fremap.c | 12 +- trunk/mm/mlock.c | 11 +- trunk/mm/mmap.c | 4 +- trunk/net/8021q/vlan.c | 14 +- trunk/net/bluetooth/sco.c | 1 + trunk/net/bridge/br_fdb.c | 2 +- trunk/net/core/dev.c | 1 - trunk/net/core/flow_dissector.c | 2 + trunk/net/core/scm.c | 4 +- trunk/net/ipv4/af_inet.c | 3 +- trunk/net/ipv4/ipconfig.c | 3 +- trunk/net/ipv4/netfilter/Kconfig | 13 - trunk/net/ipv4/tcp_input.c | 7 +- trunk/net/ipv4/tcp_output.c | 7 +- trunk/net/ipv4/udp.c | 7 + trunk/net/ipv6/addrconf.c | 26 +- trunk/net/ipv6/netfilter/ip6t_NPT.c | 2 + trunk/net/ipv6/udp.c | 8 + trunk/net/irda/af_irda.c | 6 +- trunk/net/l2tp/l2tp_core.c | 206 +++++----- trunk/net/l2tp/l2tp_core.h | 22 +- trunk/net/l2tp/l2tp_debugfs.c | 28 +- trunk/net/l2tp/l2tp_ip.c | 6 + trunk/net/l2tp/l2tp_ip6.c | 7 + trunk/net/l2tp/l2tp_netlink.c | 72 ++-- trunk/net/l2tp/l2tp_ppp.c | 111 ++---- trunk/net/netfilter/ipvs/ip_vs_core.c | 14 +- trunk/net/netfilter/ipvs/ip_vs_ctl.c | 7 + trunk/net/netfilter/ipvs/ip_vs_proto_sctp.c | 16 +- trunk/net/netfilter/nf_conntrack_proto_dccp.c | 12 +- trunk/net/netfilter/nf_conntrack_proto_gre.c | 12 +- trunk/net/netfilter/nf_conntrack_proto_sctp.c | 12 +- .../netfilter/nf_conntrack_proto_udplite.c | 12 +- trunk/net/netfilter/nfnetlink_queue_core.c | 2 +- trunk/net/netlink/genetlink.c | 1 + trunk/net/sunrpc/sched.c | 9 +- trunk/net/unix/af_unix.c | 11 +- trunk/security/yama/yama_lsm.c | 4 +- trunk/sound/soc/mxs/mxs-saif.c | 5 +- 335 files changed, 4051 insertions(+), 3225 deletions(-) delete mode 100644 trunk/arch/arm/mach-mxs/include/mach/common.h delete mode 100644 trunk/arch/arm/mach-mxs/include/mach/digctl.h delete mode 100644 trunk/arch/arm/mach-mxs/include/mach/hardware.h delete mode 100644 trunk/arch/arm/mach-mxs/include/mach/mx23.h delete mode 100644 trunk/arch/arm/mach-mxs/include/mach/mx28.h delete mode 100644 trunk/arch/arm/mach-mxs/include/mach/mxs.h delete mode 100644 trunk/arch/arm/mach-mxs/mm.c delete mode 100644 trunk/arch/arm/mach-mxs/ocotp.c delete mode 100644 trunk/arch/arm/mach-mxs/system.c rename trunk/{arch/arm/mach-mxs/timer.c => drivers/clocksource/mxs_timer.c} (91%) rename trunk/{arch/arm/mach-mxs/icoll.c => drivers/irqchip/irq-mxs.c} (89%) rename trunk/drivers/tty/serial/8250/{8250.c => 8250_core.c} (99%) rename trunk/firmware/{qlogic => intel}/sd7220.fw.ihex (100%) create mode 100644 trunk/include/linux/clk/mxs.h create mode 100644 trunk/include/linux/irqchip/mxs.h delete mode 100644 trunk/include/linux/mxsfb.h diff --git a/[refs] b/[refs] index 60834721fd98..1184955013db 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 1071b2df22aa45ffeaf34dfccc889d92586ca645 +refs/heads/master: 535409d9b37292257e22654e7b5246b913e51985 diff --git a/trunk/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt b/trunk/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt index ded0398d3bdc..a4873e5e3e36 100644 --- a/trunk/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt +++ b/trunk/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt @@ -3,17 +3,58 @@ Required properties: - compatible : Should be "fsl,-dma-apbh" or "fsl,-dma-apbx" - reg : Should contain registers location and length +- interrupts : Should contain the interrupt numbers of DMA channels. + If a channel is empty/reserved, 0 should be filled in place. +- #dma-cells : Must be <1>. The number cell specifies the channel ID. +- dma-channels : Number of channels supported by the DMA controller + +Optional properties: +- interrupt-names : Name of DMA channel interrupts Supported chips: imx23, imx28. Examples: -dma-apbh@80004000 { + +dma_apbh: dma-apbh@80004000 { compatible = "fsl,imx28-dma-apbh"; - reg = <0x80004000 2000>; + reg = <0x80004000 0x2000>; + interrupts = <82 83 84 85 + 88 88 88 88 + 88 88 88 88 + 87 86 0 0>; + interrupt-names = "ssp0", "ssp1", "ssp2", "ssp3", + "gpmi0", "gmpi1", "gpmi2", "gmpi3", + "gpmi4", "gmpi5", "gpmi6", "gmpi7", + "hsadc", "lcdif", "empty", "empty"; + #dma-cells = <1>; + dma-channels = <16>; }; -dma-apbx@80024000 { +dma_apbx: dma-apbx@80024000 { compatible = "fsl,imx28-dma-apbx"; - reg = <0x80024000 2000>; + reg = <0x80024000 0x2000>; + interrupts = <78 79 66 0 + 80 81 68 69 + 70 71 72 73 + 74 75 76 77>; + interrupt-names = "auart4-rx", "aurat4-tx", "spdif-tx", "empty", + "saif0", "saif1", "i2c0", "i2c1", + "auart0-rx", "auart0-tx", "auart1-rx", "auart1-tx", + "auart2-rx", "auart2-tx", "auart3-rx", "auart3-tx"; + #dma-cells = <1>; + dma-channels = <16>; +}; + +DMA clients connected to the MXS DMA controller must use the format +described in the dma.txt file. + +Examples: + +auart0: serial@8006a000 { + compatible = "fsl,imx28-auart", "fsl,imx23-auart"; + reg = <0x8006a000 0x2000>; + interrupts = <112>; + dmas = <&dma_apbx 8>, <&dma_apbx 9>; + dma-names = "rx", "tx"; }; diff --git a/trunk/Documentation/devicetree/bindings/fb/mxsfb.txt b/trunk/Documentation/devicetree/bindings/fb/mxsfb.txt index b41e5e52a676..96ec5179c8a0 100644 --- a/trunk/Documentation/devicetree/bindings/fb/mxsfb.txt +++ b/trunk/Documentation/devicetree/bindings/fb/mxsfb.txt @@ -5,9 +5,16 @@ Required properties: imx23 and imx28. - reg: Address and length of the register set for lcdif - interrupts: Should contain lcdif interrupts +- display : phandle to display node (see below for details) -Optional properties: -- panel-enable-gpios : Should specify the gpio for panel enable +* display node + +Required properties: +- bits-per-pixel : <16> for RGB565, <32> for RGB888/666. +- bus-width : number of data lines. Could be <8>, <16>, <18> or <24>. + +Required sub-node: +- display-timings : Refer to binding doc display-timing.txt for details. Examples: @@ -15,5 +22,28 @@ lcdif@80030000 { compatible = "fsl,imx28-lcdif"; reg = <0x80030000 2000>; interrupts = <38 86>; - panel-enable-gpios = <&gpio3 30 0>; + + display: display { + bits-per-pixel = <32>; + bus-width = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <33500000>; + hactive = <800>; + vactive = <480>; + hfront-porch = <164>; + hback-porch = <89>; + hsync-len = <10>; + vback-porch = <23>; + vfront-porch = <10>; + vsync-len = <10>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; + }; }; diff --git a/trunk/Documentation/devicetree/bindings/i2c/i2c-mxs.txt b/trunk/Documentation/devicetree/bindings/i2c/i2c-mxs.txt index 7a3fe9e5f4cb..4e1c8ac01eba 100644 --- a/trunk/Documentation/devicetree/bindings/i2c/i2c-mxs.txt +++ b/trunk/Documentation/devicetree/bindings/i2c/i2c-mxs.txt @@ -3,10 +3,13 @@ Required properties: - compatible: Should be "fsl,-i2c" - reg: Should contain registers location and length -- interrupts: Should contain ERROR and DMA interrupts +- interrupts: Should contain ERROR interrupt number - clock-frequency: Desired I2C bus clock frequency in Hz. Only 100000Hz and 400000Hz modes are supported. -- fsl,i2c-dma-channel: APBX DMA channel for the I2C +- dmas: DMA specifier, consisting of a phandle to DMA controller node + and I2C DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. +- dma-names: Must be "rx-tx". Examples: @@ -15,7 +18,8 @@ i2c0: i2c@80058000 { #size-cells = <0>; compatible = "fsl,imx28-i2c"; reg = <0x80058000 2000>; - interrupts = <111 68>; + interrupts = <111>; clock-frequency = <100000>; - fsl,i2c-dma-channel = <6>; + dmas = <&dma_apbx 6>; + dma-names = "rx-tx"; }; diff --git a/trunk/Documentation/devicetree/bindings/mmc/mxs-mmc.txt b/trunk/Documentation/devicetree/bindings/mmc/mxs-mmc.txt index 54949f6faede..515addc20070 100644 --- a/trunk/Documentation/devicetree/bindings/mmc/mxs-mmc.txt +++ b/trunk/Documentation/devicetree/bindings/mmc/mxs-mmc.txt @@ -9,15 +9,19 @@ and the properties used by the mxsmmc driver. Required properties: - compatible: Should be "fsl,-mmc". The supported chips include imx23 and imx28. -- interrupts: Should contain ERROR and DMA interrupts -- fsl,ssp-dma-channel: APBH DMA channel for the SSP +- interrupts: Should contain ERROR interrupt number +- dmas: DMA specifier, consisting of a phandle to DMA controller node + and SSP DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. +- dma-names: Must be "rx-tx". Examples: ssp0: ssp@80010000 { compatible = "fsl,imx28-mmc"; reg = <0x80010000 2000>; - interrupts = <96 82>; - fsl,ssp-dma-channel = <0>; + interrupts = <96>; + dmas = <&dma_apbh 0>; + dma-names = "rx-tx"; bus-width = <8>; }; diff --git a/trunk/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/trunk/Documentation/devicetree/bindings/mtd/gpmi-nand.txt index 3fb3f9015365..551b2a179d01 100644 --- a/trunk/Documentation/devicetree/bindings/mtd/gpmi-nand.txt +++ b/trunk/Documentation/devicetree/bindings/mtd/gpmi-nand.txt @@ -7,10 +7,12 @@ Required properties: - compatible : should be "fsl,-gpmi-nand" - reg : should contain registers location and length for gpmi and bch. - reg-names: Should contain the reg names "gpmi-nand" and "bch" - - interrupts : The first is the DMA interrupt number for GPMI. - The second is the BCH interrupt number. - - interrupt-names : The interrupt names "gpmi-dma", "bch"; - - fsl,gpmi-dma-channel : Should contain the dma channel it uses. + - interrupts : BCH interrupt number. + - interrupt-names : Should be "bch". + - dmas: DMA specifier, consisting of a phandle to DMA controller node + and GPMI DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. + - dma-names: Must be "rx-tx". Optional properties: - nand-on-flash-bbt: boolean to enable on flash bbt option if not @@ -27,9 +29,10 @@ gpmi-nand@8000c000 { #size-cells = <1>; reg = <0x8000c000 2000>, <0x8000a000 2000>; reg-names = "gpmi-nand", "bch"; - interrupts = <88>, <41>; - interrupt-names = "gpmi-dma", "bch"; - fsl,gpmi-dma-channel = <4>; + interrupts = <41>; + interrupt-names = "bch"; + dmas = <&dma_apbh 4>; + dma-names = "rx-tx"; partition@0 { ... diff --git a/trunk/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt b/trunk/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt index f7e8e8f4d9a3..3077370c89af 100644 --- a/trunk/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt +++ b/trunk/Documentation/devicetree/bindings/pinctrl/fsl,mxs-pinctrl.txt @@ -70,6 +70,10 @@ Optional subnode-properties: 0: Disable the internal pull-up 1: Enable the internal pull-up +Note that when enabling the pull-up, the internal pad keeper gets disabled. +Also, some pins doesn't have a pull up, in that case, setting the fsl,pull-up +will only disable the internal pad keeper. + Examples: pinctrl@80018000 { diff --git a/trunk/Documentation/devicetree/bindings/spi/mxs-spi.txt b/trunk/Documentation/devicetree/bindings/spi/mxs-spi.txt index e2e13957c2a4..3499b73293c2 100644 --- a/trunk/Documentation/devicetree/bindings/spi/mxs-spi.txt +++ b/trunk/Documentation/devicetree/bindings/spi/mxs-spi.txt @@ -3,8 +3,11 @@ Required properties: - compatible: Should be "fsl,-spi", where soc is "imx23" or "imx28" - reg: Offset and length of the register set for the device -- interrupts: Should contain SSP interrupts (error irq first, dma irq second) -- fsl,ssp-dma-channel: APBX DMA channel for the SSP +- interrupts: Should contain SSP ERROR interrupt +- dmas: DMA specifier, consisting of a phandle to DMA controller node + and SSP DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. +- dma-names: Must be "rx-tx". Optional properties: - clock-frequency : Input clock frequency to the SPI block in Hz. @@ -17,6 +20,7 @@ ssp0: ssp@80010000 { #size-cells = <0>; compatible = "fsl,imx28-spi"; reg = <0x80010000 0x2000>; - interrupts = <96 82>; - fsl,ssp-dma-channel = <0>; + interrupts = <96>; + dmas = <&dma_apbh 0>; + dma-names = "rx-tx"; }; diff --git a/trunk/Documentation/devicetree/bindings/tty/serial/fsl-mxs-auart.txt b/trunk/Documentation/devicetree/bindings/tty/serial/fsl-mxs-auart.txt index 273a8d5b3300..2c00ec64628e 100644 --- a/trunk/Documentation/devicetree/bindings/tty/serial/fsl-mxs-auart.txt +++ b/trunk/Documentation/devicetree/bindings/tty/serial/fsl-mxs-auart.txt @@ -5,20 +5,18 @@ Required properties: imx23 and imx28. - reg : Address and length of the register set for the device - interrupts : Should contain the auart interrupt numbers - -Optional properties: -- fsl,auart-dma-channel : The DMA channels, the first is for RX, the other - is for TX. If you add this property, it also means that you - will enable the DMA support for the auart. - Note: due to the hardware bug in imx23(see errata : 2836), - only the imx28 can enable the DMA support for the auart. +- dmas: DMA specifier, consisting of a phandle to DMA controller node + and AUART DMA channel ID. + Refer to dma.txt and fsl-mxs-dma.txt for details. +- dma-names: "rx" for RX channel, "tx" for TX channel. Example: auart0: serial@8006a000 { compatible = "fsl,imx28-auart", "fsl,imx23-auart"; reg = <0x8006a000 0x2000>; - interrupts = <112 70 71>; - fsl,auart-dma-channel = <8 9>; + interrupts = <112>; + dmas = <&dma_apbx 8>, <&dma_apbx 9>; + dma-names = "rx", "tx"; }; Note: Each auart port should have an alias correctly numbered in "aliases" diff --git a/trunk/Documentation/networking/ipvs-sysctl.txt b/trunk/Documentation/networking/ipvs-sysctl.txt index f2a2488f1bf3..9573d0c48c6e 100644 --- a/trunk/Documentation/networking/ipvs-sysctl.txt +++ b/trunk/Documentation/networking/ipvs-sysctl.txt @@ -15,6 +15,13 @@ amemthresh - INTEGER enabled and the variable is automatically set to 2, otherwise the strategy is disabled and the variable is set to 1. +backup_only - BOOLEAN + 0 - disabled (default) + not 0 - enabled + + If set, disable the director function while the server is + in backup mode to avoid packet loops for DR/TUN methods. + conntrack - BOOLEAN 0 - disabled (default) not 0 - enabled diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS index 4cf5fd334a06..74e58a4d035b 100644 --- a/trunk/MAINTAINERS +++ b/trunk/MAINTAINERS @@ -3242,6 +3242,12 @@ F: Documentation/firmware_class/ F: drivers/base/firmware*.c F: include/linux/firmware.h +FLASHSYSTEM DRIVER (IBM FlashSystem 70/80 PCI SSD Flash Card) +M: Joshua Morris +M: Philip Kelleher +S: Maintained +F: drivers/block/rsxx/ + FLOPPY DRIVER M: Jiri Kosina T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy.git @@ -5683,7 +5689,7 @@ S: Maintained F: arch/arm/*omap*/*clock* OMAP POWER MANAGEMENT SUPPORT -M: Kevin Hilman +M: Kevin Hilman L: linux-omap@vger.kernel.org S: Maintained F: arch/arm/*omap*/*pm* @@ -5777,7 +5783,7 @@ F: arch/arm/*omap*/usb* OMAP GPIO DRIVER M: Santosh Shilimkar -M: Kevin Hilman +M: Kevin Hilman L: linux-omap@vger.kernel.org S: Maintained F: drivers/gpio/gpio-omap.c @@ -6209,7 +6215,7 @@ F: include/linux/power_supply.h F: drivers/power/ PNP SUPPORT -M: Adam Belay +M: Rafael J. Wysocki M: Bjorn Helgaas S: Maintained F: drivers/pnp/ @@ -6551,12 +6557,6 @@ S: Maintained F: Documentation/blockdev/ramdisk.txt F: drivers/block/brd.c -RAMSAM DRIVER (IBM RamSan 70/80 PCI SSD Flash Card) -M: Joshua Morris -M: Philip Kelleher -S: Maintained -F: drivers/block/rsxx/ - RANDOM NUMBER DRIVER M: Theodore Ts'o" S: Maintained @@ -7173,7 +7173,7 @@ F: arch/arm/mach-s3c2410/bast-irq.c TI DAVINCI MACHINE SUPPORT M: Sekhar Nori -M: Kevin Hilman +M: Kevin Hilman L: davinci-linux-open-source@linux.davincidsp.com (moderated for non-subscribers) T: git git://gitorious.org/linux-davinci/linux-davinci.git Q: http://patchwork.kernel.org/project/linux-davinci/list/ @@ -7706,9 +7706,10 @@ F: include/linux/swiotlb.h SYNOPSYS ARC ARCHITECTURE M: Vineet Gupta -L: linux-snps-arc@vger.kernel.org S: Supported F: arch/arc/ +F: Documentation/devicetree/bindings/arc/ +F: drivers/tty/serial/arc-uart.c SYSV FILESYSTEM M: Christoph Hellwig diff --git a/trunk/Makefile b/trunk/Makefile index 54d2b2a0fef0..58a165b02af1 100644 --- a/trunk/Makefile +++ b/trunk/Makefile @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 9 SUBLEVEL = 0 -EXTRAVERSION = -rc4 +EXTRAVERSION = -rc5 NAME = Unicycling Gorilla # *DOCUMENTATION* diff --git a/trunk/arch/arc/include/asm/dma-mapping.h b/trunk/arch/arc/include/asm/dma-mapping.h index 31f77aec0823..45b8e0cea176 100644 --- a/trunk/arch/arc/include/asm/dma-mapping.h +++ b/trunk/arch/arc/include/asm/dma-mapping.h @@ -126,7 +126,7 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) - sg->dma_address = dma_map_page(dev, sg_page(s), s->offset, + s->dma_address = dma_map_page(dev, sg_page(s), s->offset, s->length, dir); return nents; diff --git a/trunk/arch/arc/include/asm/elf.h b/trunk/arch/arc/include/asm/elf.h index f4c8d36ebecb..a26282857683 100644 --- a/trunk/arch/arc/include/asm/elf.h +++ b/trunk/arch/arc/include/asm/elf.h @@ -72,7 +72,4 @@ extern int elf_check_arch(const struct elf32_hdr *); */ #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex) \ - set_personality(PER_LINUX | (current->personality & (~PER_MASK))) - #endif diff --git a/trunk/arch/arc/include/asm/entry.h b/trunk/arch/arc/include/asm/entry.h index 23daa326fc9b..eb2ae53187d9 100644 --- a/trunk/arch/arc/include/asm/entry.h +++ b/trunk/arch/arc/include/asm/entry.h @@ -415,7 +415,7 @@ *-------------------------------------------------------------*/ .macro SAVE_ALL_EXCEPTION marker - st \marker, [sp, 8] + st \marker, [sp, 8] /* orig_r8 */ st r0, [sp, 4] /* orig_r0, needed only for sys calls */ /* Restore r9 used to code the early prologue */ diff --git a/trunk/arch/arc/include/asm/kgdb.h b/trunk/arch/arc/include/asm/kgdb.h index f3c4934f0ca9..4930957ca3d3 100644 --- a/trunk/arch/arc/include/asm/kgdb.h +++ b/trunk/arch/arc/include/asm/kgdb.h @@ -13,7 +13,7 @@ #ifdef CONFIG_KGDB -#include +#include /* to ensure compatibility with Linux 2.6.35, we don't implement the get/set * register API yet */ @@ -53,9 +53,7 @@ enum arc700_linux_regnums { }; #else -static inline void kgdb_trap(struct pt_regs *regs, int param) -{ -} +#define kgdb_trap(regs, param) #endif #endif /* __ARC_KGDB_H__ */ diff --git a/trunk/arch/arc/include/asm/ptrace.h b/trunk/arch/arc/include/asm/ptrace.h index 8ae783d20a81..6179de7e07c2 100644 --- a/trunk/arch/arc/include/asm/ptrace.h +++ b/trunk/arch/arc/include/asm/ptrace.h @@ -123,7 +123,7 @@ static inline long regs_return_value(struct pt_regs *regs) #define orig_r8_IS_SCALL 0x0001 #define orig_r8_IS_SCALL_RESTARTED 0x0002 #define orig_r8_IS_BRKPT 0x0004 -#define orig_r8_IS_EXCPN 0x0004 +#define orig_r8_IS_EXCPN 0x0008 #define orig_r8_IS_IRQ1 0x0010 #define orig_r8_IS_IRQ2 0x0020 diff --git a/trunk/arch/arc/include/asm/syscalls.h b/trunk/arch/arc/include/asm/syscalls.h index e53a5340ba4f..dd785befe7fd 100644 --- a/trunk/arch/arc/include/asm/syscalls.h +++ b/trunk/arch/arc/include/asm/syscalls.h @@ -16,8 +16,6 @@ #include int sys_clone_wrapper(int, int, int, int, int); -int sys_fork_wrapper(void); -int sys_vfork_wrapper(void); int sys_cacheflush(uint32_t, uint32_t uint32_t); int sys_arc_settls(void *); int sys_arc_gettls(void); diff --git a/trunk/arch/arc/include/uapi/asm/ptrace.h b/trunk/arch/arc/include/uapi/asm/ptrace.h index 6afa4f702075..30333cec0fef 100644 --- a/trunk/arch/arc/include/uapi/asm/ptrace.h +++ b/trunk/arch/arc/include/uapi/asm/ptrace.h @@ -28,14 +28,14 @@ */ struct user_regs_struct { - struct scratch { + struct { long pad; long bta, lp_start, lp_end, lp_count; long status32, ret, blink, fp, gp; long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; long sp; } scratch; - struct callee { + struct { long pad; long r25, r24, r23, r22, r21, r20; long r19, r18, r17, r16, r15, r14, r13; diff --git a/trunk/arch/arc/kernel/entry.S b/trunk/arch/arc/kernel/entry.S index ef6800ba2f03..91eeab81f52d 100644 --- a/trunk/arch/arc/kernel/entry.S +++ b/trunk/arch/arc/kernel/entry.S @@ -452,7 +452,7 @@ tracesys: ; using ERET won't work since next-PC has already committed lr r12, [efa] GET_CURR_TASK_FIELD_PTR TASK_THREAD, r11 - st r12, [r11, THREAD_FAULT_ADDR] + st r12, [r11, THREAD_FAULT_ADDR] ; thread.fault_address ; PRE Sys Call Ptrace hook mov r0, sp ; pt_regs needed @@ -792,31 +792,6 @@ ARC_EXIT ret_from_fork ;################### Special Sys Call Wrappers ########################## -; TBD: call do_fork directly from here -ARC_ENTRY sys_fork_wrapper - SAVE_CALLEE_SAVED_USER - bl @sys_fork - DISCARD_CALLEE_SAVED_USER - - GET_CURR_THR_INFO_FLAGS r10 - btst r10, TIF_SYSCALL_TRACE - bnz tracesys_exit - - b ret_from_system_call -ARC_EXIT sys_fork_wrapper - -ARC_ENTRY sys_vfork_wrapper - SAVE_CALLEE_SAVED_USER - bl @sys_vfork - DISCARD_CALLEE_SAVED_USER - - GET_CURR_THR_INFO_FLAGS r10 - btst r10, TIF_SYSCALL_TRACE - bnz tracesys_exit - - b ret_from_system_call -ARC_EXIT sys_vfork_wrapper - ARC_ENTRY sys_clone_wrapper SAVE_CALLEE_SAVED_USER bl @sys_clone diff --git a/trunk/arch/arc/kernel/kgdb.c b/trunk/arch/arc/kernel/kgdb.c index 2888ba5be47e..52bdc83c1495 100644 --- a/trunk/arch/arc/kernel/kgdb.c +++ b/trunk/arch/arc/kernel/kgdb.c @@ -9,6 +9,7 @@ */ #include +#include #include #include diff --git a/trunk/arch/arc/kernel/setup.c b/trunk/arch/arc/kernel/setup.c index dc0f968dae0a..2d95ac07df7b 100644 --- a/trunk/arch/arc/kernel/setup.c +++ b/trunk/arch/arc/kernel/setup.c @@ -232,10 +232,8 @@ char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) n += scnprintf(buf + n, len - n, "\n"); -#ifdef _ASM_GENERIC_UNISTD_H n += scnprintf(buf + n, len - n, - "OS ABI [v2]\t: asm-generic/{unistd,stat,fcntl}\n"); -#endif + "OS ABI [v3]\t: no-legacy-syscalls\n"); return buf; } diff --git a/trunk/arch/arc/kernel/sys.c b/trunk/arch/arc/kernel/sys.c index f6bdd07583f3..9d6c1ca26af6 100644 --- a/trunk/arch/arc/kernel/sys.c +++ b/trunk/arch/arc/kernel/sys.c @@ -6,8 +6,6 @@ #include #define sys_clone sys_clone_wrapper -#define sys_fork sys_fork_wrapper -#define sys_vfork sys_vfork_wrapper #undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), diff --git a/trunk/arch/arm/Kconfig b/trunk/arch/arm/Kconfig index 0f7bbe7696f0..318c1f928920 100644 --- a/trunk/arch/arm/Kconfig +++ b/trunk/arch/arm/Kconfig @@ -473,12 +473,14 @@ config ARCH_MXS select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP select CLKSRC_MMIO + select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS select HAVE_CLK_PREPARE select MULTI_IRQ_HANDLER select PINCTRL select SPARSE_IRQ + select STMP_DEVICE select USE_OF help Support for Freescale MXS-based family of processors @@ -1594,6 +1596,7 @@ config HAVE_ARM_ARCH_TIMER config HAVE_ARM_TWD bool depends on SMP + select CLKSRC_OF if OF help This options enables support for the ARM timer and watchdog unit diff --git a/trunk/arch/arm/Kconfig.debug b/trunk/arch/arm/Kconfig.debug index ecfcdba2d17c..9b31f4311ea2 100644 --- a/trunk/arch/arm/Kconfig.debug +++ b/trunk/arch/arm/Kconfig.debug @@ -495,6 +495,7 @@ config DEBUG_IMX_UART_PORT DEBUG_IMX53_UART || \ DEBUG_IMX6Q_UART default 1 + depends on ARCH_MXC help Choose UART port on which kernel low-level debug messages should be output. diff --git a/trunk/arch/arm/boot/dts/imx23-evk.dts b/trunk/arch/arm/boot/dts/imx23-evk.dts index 035c13f9d3c0..da0588a04131 100644 --- a/trunk/arch/arm/boot/dts/imx23-evk.dts +++ b/trunk/arch/arm/boot/dts/imx23-evk.dts @@ -59,8 +59,33 @@ lcdif@80030000 { pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a>; - panel-enable-gpios = <&gpio1 18 0>; + lcd-supply = <®_lcd_3v3>; + display = <&display>; status = "okay"; + + display: display { + bits-per-pixel = <32>; + bus-width = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <9200000>; + hactive = <480>; + vactive = <272>; + hback-porch = <15>; + hfront-porch = <8>; + vback-porch = <12>; + vfront-porch = <4>; + hsync-len = <1>; + vsync-len = <1>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; + }; }; }; @@ -95,6 +120,15 @@ regulator-max-microvolt = <3300000>; gpio = <&gpio1 29 0>; }; + + reg_lcd_3v3: lcd-3v3 { + compatible = "regulator-fixed"; + regulator-name = "lcd-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio1 18 0>; + enable-active-high; + }; }; backlight { diff --git a/trunk/arch/arm/boot/dts/imx23-olinuxino.dts b/trunk/arch/arm/boot/dts/imx23-olinuxino.dts index e7484e4ea659..d107c4af321f 100644 --- a/trunk/arch/arm/boot/dts/imx23-olinuxino.dts +++ b/trunk/arch/arm/boot/dts/imx23-olinuxino.dts @@ -29,6 +29,7 @@ pinctrl-names = "default"; pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>; bus-width = <4>; + broken-cd; status = "okay"; }; diff --git a/trunk/arch/arm/boot/dts/imx23.dtsi b/trunk/arch/arm/boot/dts/imx23.dtsi index 56afcf41aae0..73fd7d0887b5 100644 --- a/trunk/arch/arm/boot/dts/imx23.dtsi +++ b/trunk/arch/arm/boot/dts/imx23.dtsi @@ -49,9 +49,15 @@ reg = <0x80000000 0x2000>; }; - dma-apbh@80004000 { + dma_apbh: dma-apbh@80004000 { compatible = "fsl,imx23-dma-apbh"; reg = <0x80004000 0x2000>; + interrupts = <0 14 20 0 + 13 13 13 13>; + interrupt-names = "empty", "ssp0", "ssp1", "empty", + "gpmi0", "gpmi1", "gpmi2", "gpmi3"; + #dma-cells = <1>; + dma-channels = <8>; clocks = <&clks 15>; }; @@ -70,6 +76,8 @@ interrupt-names = "gpmi-dma", "bch"; clocks = <&clks 34>; clock-names = "gpmi_io"; + dmas = <&dma_apbh 4>; + dma-names = "rx-tx"; fsl,gpmi-dma-channel = <4>; status = "disabled"; }; @@ -78,6 +86,8 @@ reg = <0x80010000 0x2000>; interrupts = <15 14>; clocks = <&clks 33>; + dmas = <&dma_apbh 1>; + dma-names = "rx-tx"; fsl,ssp-dma-channel = <1>; status = "disabled"; }; @@ -295,6 +305,7 @@ }; digctl@8001c000 { + compatible = "fsl,imx23-digctl"; reg = <0x8001c000 2000>; status = "disabled"; }; @@ -304,9 +315,19 @@ status = "disabled"; }; - dma-apbx@80024000 { + dma_apbx: dma-apbx@80024000 { compatible = "fsl,imx23-dma-apbx"; reg = <0x80024000 0x2000>; + interrupts = <7 5 9 26 + 19 0 25 23 + 60 58 9 0 + 0 0 0 0>; + interrupt-names = "audio-adc", "audio-dac", "spdif-tx", "i2c", + "saif0", "empty", "auart0-rx", "auart0-tx", + "auart1-rx", "auart1-tx", "saif1", "empty", + "empty", "empty", "empty", "empty"; + #dma-cells = <1>; + dma-channels = <16>; clocks = <&clks 16>; }; @@ -321,6 +342,7 @@ }; ocotp@8002c000 { + compatible = "fsl,ocotp"; reg = <0x8002c000 0x2000>; status = "disabled"; }; @@ -342,6 +364,8 @@ reg = <0x80034000 0x2000>; interrupts = <2 20>; clocks = <&clks 33>; + dmas = <&dma_apbh 2>; + dma-names = "rx-tx"; fsl,ssp-dma-channel = <2>; status = "disabled"; }; @@ -360,13 +384,15 @@ ranges; clks: clkctrl@80040000 { - compatible = "fsl,imx23-clkctrl"; + compatible = "fsl,imx23-clkctrl", "fsl,clkctrl"; reg = <0x80040000 0x2000>; #clock-cells = <1>; }; saif0: saif@80042000 { reg = <0x80042000 0x2000>; + dmas = <&dma_apbx 4>; + dma-names = "rx-tx"; status = "disabled"; }; @@ -377,16 +403,22 @@ saif1: saif@80046000 { reg = <0x80046000 0x2000>; + dmas = <&dma_apbx 10>; + dma-names = "rx-tx"; status = "disabled"; }; audio-out@80048000 { reg = <0x80048000 0x2000>; + dmas = <&dma_apbx 1>; + dma-names = "tx"; status = "disabled"; }; audio-in@8004c000 { reg = <0x8004c000 0x2000>; + dmas = <&dma_apbx 0>; + dma-names = "rx"; status = "disabled"; }; @@ -399,11 +431,15 @@ spdif@80054000 { reg = <0x80054000 2000>; + dmas = <&dma_apbx 2>; + dma-names = "tx"; status = "disabled"; }; i2c@80058000 { reg = <0x80058000 0x2000>; + dmas = <&dma_apbx 3>; + dma-names = "rx-tx"; status = "disabled"; }; @@ -426,6 +462,7 @@ compatible = "fsl,imx23-timrot", "fsl,timrot"; reg = <0x80068000 0x2000>; interrupts = <28 29 30 31>; + clocks = <&clks 28>; }; auart0: serial@8006c000 { @@ -433,6 +470,8 @@ reg = <0x8006c000 0x2000>; interrupts = <24 25 23>; clocks = <&clks 32>; + dmas = <&dma_apbx 6>, <&dma_apbx 7>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -441,6 +480,8 @@ reg = <0x8006e000 0x2000>; interrupts = <59 60 58>; clocks = <&clks 32>; + dmas = <&dma_apbx 8>, <&dma_apbx 9>; + dma-names = "rx", "tx"; status = "disabled"; }; diff --git a/trunk/arch/arm/boot/dts/imx28-apf28dev.dts b/trunk/arch/arm/boot/dts/imx28-apf28dev.dts index 6d8865bfb4b7..3d905d16cbec 100644 --- a/trunk/arch/arm/boot/dts/imx28-apf28dev.dts +++ b/trunk/arch/arm/boot/dts/imx28-apf28dev.dts @@ -72,7 +72,32 @@ pinctrl-names = "default"; pinctrl-0 = <&lcdif_16bit_pins_a &lcdif_pins_apf28dev>; + display = <&display>; status = "okay"; + + display: display { + bits-per-pixel = <16>; + bus-width = <16>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <33000033>; + hactive = <800>; + vactive = <480>; + hback-porch = <96>; + hfront-porch = <96>; + vback-porch = <20>; + vfront-porch = <21>; + hsync-len = <64>; + vsync-len = <4>; + hsync-active = <1>; + vsync-active = <1>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; + }; }; }; diff --git a/trunk/arch/arm/boot/dts/imx28-apx4devkit.dts b/trunk/arch/arm/boot/dts/imx28-apx4devkit.dts index 5171667a7763..43bf3c796cba 100644 --- a/trunk/arch/arm/boot/dts/imx28-apx4devkit.dts +++ b/trunk/arch/arm/boot/dts/imx28-apx4devkit.dts @@ -94,7 +94,32 @@ pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_pins_apx4>; + display = <&display>; status = "okay"; + + display: display { + bits-per-pixel = <32>; + bus-width = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <30000000>; + hactive = <800>; + vactive = <480>; + hback-porch = <88>; + hfront-porch = <40>; + vback-porch = <32>; + vfront-porch = <13>; + hsync-len = <48>; + vsync-len = <3>; + hsync-active = <1>; + vsync-active = <1>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; + }; }; }; diff --git a/trunk/arch/arm/boot/dts/imx28-cfa10049.dts b/trunk/arch/arm/boot/dts/imx28-cfa10049.dts index a0d3e9f1738e..063e62059890 100644 --- a/trunk/arch/arm/boot/dts/imx28-cfa10049.dts +++ b/trunk/arch/arm/boot/dts/imx28-cfa10049.dts @@ -30,7 +30,6 @@ reg = <0>; fsl,pinmux-ids = < 0x0073 /* MX28_PAD_GPMI_D7__GPIO_0_7 */ - 0x1153 /* MX28_PAD_LCD_D22__GPIO_1_21 */ 0x1163 /* MX28_PAD_LCD_D22__GPIO_1_22 */ 0x1173 /* MX28_PAD_LCD_D22__GPIO_1_23 */ 0x2153 /* MX28_PAD_SSP2_D5__GPIO_2_21 */ @@ -120,13 +119,48 @@ fsl,voltage = <1>; fsl,pull-up = <0>; }; + + w1_gpio_pins: w1-gpio@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1153 /* MX28_PAD_LCD_D21__GPIO_1_21 */ + >; + fsl,drive-strength = <1>; + fsl,voltage = <1>; + fsl,pull-up = <0>; /* 0 will enable the keeper */ + }; }; lcdif@80030000 { pinctrl-names = "default"; pinctrl-0 = <&lcdif_18bit_pins_cfa10049 &lcdif_pins_cfa10049>; + display = <&display>; status = "okay"; + + display: display { + bits-per-pixel = <32>; + bus-width = <18>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <9216000>; + hactive = <320>; + vactive = <480>; + hback-porch = <2>; + hfront-porch = <2>; + vback-porch = <2>; + vfront-porch = <2>; + hsync-len = <15>; + vsync-len = <15>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <1>; + }; + }; + }; }; }; @@ -183,6 +217,11 @@ usbphy1: usbphy@8007e000 { status = "okay"; }; + + lradc@80050000 { + status = "okay"; + fsl,lradc-touchscreen-wires = <4>; + }; }; }; @@ -304,5 +343,14 @@ pwms = <&pwm 3 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + + }; + + onewire@0 { + compatible = "w1-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&w1_gpio_pins>; + status = "okay"; + gpios = <&gpio1 21 0>; }; }; diff --git a/trunk/arch/arm/boot/dts/imx28-evk.dts b/trunk/arch/arm/boot/dts/imx28-evk.dts index 2da316e04409..3637bf3b1d59 100644 --- a/trunk/arch/arm/boot/dts/imx28-evk.dts +++ b/trunk/arch/arm/boot/dts/imx28-evk.dts @@ -123,8 +123,33 @@ pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_pins_evk>; - panel-enable-gpios = <&gpio3 30 0>; + lcd-supply = <®_lcd_3v3>; + display = <&display>; status = "okay"; + + display: display { + bits-per-pixel = <32>; + bus-width = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <33500000>; + hactive = <800>; + vactive = <480>; + hback-porch = <89>; + hfront-porch = <164>; + vback-porch = <23>; + vfront-porch = <10>; + hsync-len = <10>; + vsync-len = <10>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; + }; }; can0: can@80032000 { @@ -285,6 +310,15 @@ gpio = <&gpio3 8 0>; enable-active-high; }; + + reg_lcd_3v3: lcd-3v3 { + compatible = "regulator-fixed"; + regulator-name = "lcd-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio3 30 0>; + enable-active-high; + }; }; sound { diff --git a/trunk/arch/arm/boot/dts/imx28-m28evk.dts b/trunk/arch/arm/boot/dts/imx28-m28evk.dts index 6ce3d17c3a29..5f0ba99aa809 100644 --- a/trunk/arch/arm/boot/dts/imx28-m28evk.dts +++ b/trunk/arch/arm/boot/dts/imx28-m28evk.dts @@ -119,7 +119,32 @@ pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_pins_m28>; + display = <&display>; status = "okay"; + + display: display { + bits-per-pixel = <16>; + bus-width = <18>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <33260000>; + hactive = <800>; + vactive = <480>; + hback-porch = <0>; + hfront-porch = <256>; + vback-porch = <0>; + vfront-porch = <45>; + hsync-len = <1>; + vsync-len = <1>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <1>; + }; + }; + }; }; can0: can@80032000 { @@ -221,6 +246,8 @@ phy-mode = "rmii"; pinctrl-names = "default"; pinctrl-0 = <&mac0_pins_a>; + clocks = <&clks 57>, <&clks 57>; + clock-names = "ipg", "ahb"; status = "okay"; }; diff --git a/trunk/arch/arm/boot/dts/imx28.dtsi b/trunk/arch/arm/boot/dts/imx28.dtsi index 7ba49662b9bc..600f7cb51f3e 100644 --- a/trunk/arch/arm/boot/dts/imx28.dtsi +++ b/trunk/arch/arm/boot/dts/imx28.dtsi @@ -61,12 +61,24 @@ hsadc@80002000 { reg = <0x80002000 0x2000>; interrupts = <13 87>; + dmas = <&dma_apbh 12>; + dma-names = "rx"; status = "disabled"; }; - dma-apbh@80004000 { + dma_apbh: dma-apbh@80004000 { compatible = "fsl,imx28-dma-apbh"; reg = <0x80004000 0x2000>; + interrupts = <82 83 84 85 + 88 88 88 88 + 88 88 88 88 + 87 86 0 0>; + interrupt-names = "ssp0", "ssp1", "ssp2", "ssp3", + "gpmi0", "gmpi1", "gpmi2", "gmpi3", + "gpmi4", "gmpi5", "gpmi6", "gmpi7", + "hsadc", "lcdif", "empty", "empty"; + #dma-cells = <1>; + dma-channels = <16>; clocks = <&clks 25>; }; @@ -86,6 +98,8 @@ interrupt-names = "gpmi-dma", "bch"; clocks = <&clks 50>; clock-names = "gpmi_io"; + dmas = <&dma_apbh 4>; + dma-names = "rx-tx"; fsl,gpmi-dma-channel = <4>; status = "disabled"; }; @@ -96,6 +110,8 @@ reg = <0x80010000 0x2000>; interrupts = <96 82>; clocks = <&clks 46>; + dmas = <&dma_apbh 0>; + dma-names = "rx-tx"; fsl,ssp-dma-channel = <0>; status = "disabled"; }; @@ -106,6 +122,8 @@ reg = <0x80012000 0x2000>; interrupts = <97 83>; clocks = <&clks 47>; + dmas = <&dma_apbh 1>; + dma-names = "rx-tx"; fsl,ssp-dma-channel = <1>; status = "disabled"; }; @@ -116,6 +134,8 @@ reg = <0x80014000 0x2000>; interrupts = <98 84>; clocks = <&clks 48>; + dmas = <&dma_apbh 2>; + dma-names = "rx-tx"; fsl,ssp-dma-channel = <2>; status = "disabled"; }; @@ -126,6 +146,8 @@ reg = <0x80016000 0x2000>; interrupts = <99 85>; clocks = <&clks 49>; + dmas = <&dma_apbh 3>; + dma-names = "rx-tx"; fsl,ssp-dma-channel = <3>; status = "disabled"; }; @@ -647,6 +669,7 @@ }; digctl@8001c000 { + compatible = "fsl,imx28-digctl"; reg = <0x8001c000 0x2000>; interrupts = <89>; status = "disabled"; @@ -657,9 +680,19 @@ status = "disabled"; }; - dma-apbx@80024000 { + dma_apbx: dma-apbx@80024000 { compatible = "fsl,imx28-dma-apbx"; reg = <0x80024000 0x2000>; + interrupts = <78 79 66 0 + 80 81 68 69 + 70 71 72 73 + 74 75 76 77>; + interrupt-names = "auart4-rx", "aurat4-tx", "spdif-tx", "empty", + "saif0", "saif1", "i2c0", "i2c1", + "auart0-rx", "auart0-tx", "auart1-rx", "auart1-tx", + "auart2-rx", "auart2-tx", "auart3-rx", "auart3-tx"; + #dma-cells = <1>; + dma-channels = <16>; clocks = <&clks 26>; }; @@ -676,6 +709,7 @@ }; ocotp@8002c000 { + compatible = "fsl,ocotp"; reg = <0x8002c000 0x2000>; status = "disabled"; }; @@ -690,6 +724,8 @@ reg = <0x80030000 0x2000>; interrupts = <38 86>; clocks = <&clks 55>; + dmas = <&dma_apbh 13>; + dma-names = "rx"; status = "disabled"; }; @@ -755,7 +791,7 @@ ranges; clks: clkctrl@80040000 { - compatible = "fsl,imx28-clkctrl"; + compatible = "fsl,imx28-clkctrl", "fsl,clkctrl"; reg = <0x80040000 0x2000>; #clock-cells = <1>; }; @@ -765,6 +801,8 @@ reg = <0x80042000 0x2000>; interrupts = <59 80>; clocks = <&clks 53>; + dmas = <&dma_apbx 4>; + dma-names = "rx-tx"; fsl,saif-dma-channel = <4>; status = "disabled"; }; @@ -779,6 +817,8 @@ reg = <0x80046000 0x2000>; interrupts = <58 81>; clocks = <&clks 54>; + dmas = <&dma_apbx 5>; + dma-names = "rx-tx"; fsl,saif-dma-channel = <5>; status = "disabled"; }; @@ -794,6 +834,8 @@ spdif@80054000 { reg = <0x80054000 0x2000>; interrupts = <45 66>; + dmas = <&dma_apbx 2>; + dma-names = "tx"; status = "disabled"; }; @@ -810,6 +852,8 @@ reg = <0x80058000 0x2000>; interrupts = <111 68>; clock-frequency = <100000>; + dmas = <&dma_apbx 6>; + dma-names = "rx-tx"; fsl,i2c-dma-channel = <6>; status = "disabled"; }; @@ -821,6 +865,8 @@ reg = <0x8005a000 0x2000>; interrupts = <110 69>; clock-frequency = <100000>; + dmas = <&dma_apbx 7>; + dma-names = "rx-tx"; fsl,i2c-dma-channel = <7>; status = "disabled"; }; @@ -838,12 +884,15 @@ compatible = "fsl,imx28-timrot", "fsl,timrot"; reg = <0x80068000 0x2000>; interrupts = <48 49 50 51>; + clocks = <&clks 26>; }; auart0: serial@8006a000 { compatible = "fsl,imx28-auart", "fsl,imx23-auart"; reg = <0x8006a000 0x2000>; interrupts = <112 70 71>; + dmas = <&dma_apbx 8>, <&dma_apbx 9>; + dma-names = "rx", "tx"; fsl,auart-dma-channel = <8 9>; clocks = <&clks 45>; status = "disabled"; @@ -853,6 +902,8 @@ compatible = "fsl,imx28-auart", "fsl,imx23-auart"; reg = <0x8006c000 0x2000>; interrupts = <113 72 73>; + dmas = <&dma_apbx 10>, <&dma_apbx 11>; + dma-names = "rx", "tx"; clocks = <&clks 45>; status = "disabled"; }; @@ -861,6 +912,8 @@ compatible = "fsl,imx28-auart", "fsl,imx23-auart"; reg = <0x8006e000 0x2000>; interrupts = <114 74 75>; + dmas = <&dma_apbx 12>, <&dma_apbx 13>; + dma-names = "rx", "tx"; clocks = <&clks 45>; status = "disabled"; }; @@ -869,6 +922,8 @@ compatible = "fsl,imx28-auart", "fsl,imx23-auart"; reg = <0x80070000 0x2000>; interrupts = <115 76 77>; + dmas = <&dma_apbx 14>, <&dma_apbx 15>; + dma-names = "rx", "tx"; clocks = <&clks 45>; status = "disabled"; }; @@ -877,6 +932,8 @@ compatible = "fsl,imx28-auart", "fsl,imx23-auart"; reg = <0x80072000 0x2000>; interrupts = <116 78 79>; + dmas = <&dma_apbx 0>, <&dma_apbx 1>; + dma-names = "rx", "tx"; clocks = <&clks 45>; status = "disabled"; }; @@ -940,8 +997,8 @@ compatible = "fsl,imx28-fec"; reg = <0x800f0000 0x4000>; interrupts = <101>; - clocks = <&clks 57>, <&clks 57>; - clock-names = "ipg", "ahb"; + clocks = <&clks 57>, <&clks 57>, <&clks 64>; + clock-names = "ipg", "ahb", "enet_out"; status = "disabled"; }; diff --git a/trunk/arch/arm/boot/dts/imx6qdl.dtsi b/trunk/arch/arm/boot/dts/imx6qdl.dtsi index 06ec460b4581..59e970f74e8f 100644 --- a/trunk/arch/arm/boot/dts/imx6qdl.dtsi +++ b/trunk/arch/arm/boot/dts/imx6qdl.dtsi @@ -65,9 +65,13 @@ interrupt-parent = <&intc>; ranges; - dma-apbh@00110000 { + dma_apbh: dma-apbh@00110000 { compatible = "fsl,imx6q-dma-apbh", "fsl,imx28-dma-apbh"; reg = <0x00110000 0x2000>; + interrupts = <0 13 0x04>, <0 13 0x04>, <0 13 0x04>, <0 13 0x04>; + interrupt-names = "gpmi0", "gpmi1", "gpmi2", "gpmi3"; + #dma-cells = <1>; + dma-channels = <4>; clocks = <&clks 106>; }; @@ -83,6 +87,8 @@ <&clks 150>, <&clks 149>; clock-names = "gpmi_io", "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch"; + dmas = <&dma_apbh 0>; + dma-names = "rx-tx"; fsl,gpmi-dma-channel = <0>; status = "disabled"; }; diff --git a/trunk/arch/arm/boot/dts/tegra20.dtsi b/trunk/arch/arm/boot/dts/tegra20.dtsi index 3e676a26c980..56a91106041b 100644 --- a/trunk/arch/arm/boot/dts/tegra20.dtsi +++ b/trunk/arch/arm/boot/dts/tegra20.dtsi @@ -388,7 +388,7 @@ spi@7000d800 { compatible = "nvidia,tegra20-slink"; - reg = <0x7000d480 0x200>; + reg = <0x7000d800 0x200>; interrupts = <0 83 0x04>; nvidia,dma-request-selector = <&apbdma 17>; #address-cells = <1>; diff --git a/trunk/arch/arm/boot/dts/tegra30.dtsi b/trunk/arch/arm/boot/dts/tegra30.dtsi index 836e6c91cdb0..15ded605142a 100644 --- a/trunk/arch/arm/boot/dts/tegra30.dtsi +++ b/trunk/arch/arm/boot/dts/tegra30.dtsi @@ -375,7 +375,7 @@ spi@7000d800 { compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink"; - reg = <0x7000d480 0x200>; + reg = <0x7000d800 0x200>; interrupts = <0 83 0x04>; nvidia,dma-request-selector = <&apbdma 17>; #address-cells = <1>; diff --git a/trunk/arch/arm/include/asm/smp_twd.h b/trunk/arch/arm/include/asm/smp_twd.h index 0f01f4677bd2..7b2899c2f7fc 100644 --- a/trunk/arch/arm/include/asm/smp_twd.h +++ b/trunk/arch/arm/include/asm/smp_twd.h @@ -34,12 +34,4 @@ struct twd_local_timer name __initdata = { \ int twd_local_timer_register(struct twd_local_timer *); -#ifdef CONFIG_HAVE_ARM_TWD -void twd_local_timer_of_register(void); -#else -static inline void twd_local_timer_of_register(void) -{ -} -#endif - #endif diff --git a/trunk/arch/arm/kernel/smp_twd.c b/trunk/arch/arm/kernel/smp_twd.c index 3f2565037480..90525d9d290b 100644 --- a/trunk/arch/arm/kernel/smp_twd.c +++ b/trunk/arch/arm/kernel/smp_twd.c @@ -362,25 +362,13 @@ int __init twd_local_timer_register(struct twd_local_timer *tlt) } #ifdef CONFIG_OF -const static struct of_device_id twd_of_match[] __initconst = { - { .compatible = "arm,cortex-a9-twd-timer", }, - { .compatible = "arm,cortex-a5-twd-timer", }, - { .compatible = "arm,arm11mp-twd-timer", }, - { }, -}; - -void __init twd_local_timer_of_register(void) +static void __init twd_local_timer_of_register(struct device_node *np) { - struct device_node *np; int err; if (!is_smp() || !setup_max_cpus) return; - np = of_find_matching_node(NULL, twd_of_match); - if (!np) - return; - twd_ppi = irq_of_parse_and_map(np, 0); if (!twd_ppi) { err = -EINVAL; @@ -398,4 +386,7 @@ void __init twd_local_timer_of_register(void) out: WARN(err, "twd_local_timer_of_register failed (%d)\n", err); } +CLOCKSOURCE_OF_DECLARE(arm_twd_a9, "arm,cortex-a9-twd-timer", twd_local_timer_of_register); +CLOCKSOURCE_OF_DECLARE(arm_twd_a5, "arm,cortex-a5-twd-timer", twd_local_timer_of_register); +CLOCKSOURCE_OF_DECLARE(arm_twd_11mp, "arm,arm11mp-twd-timer", twd_local_timer_of_register); #endif diff --git a/trunk/arch/arm/mach-highbank/highbank.c b/trunk/arch/arm/mach-highbank/highbank.c index a4f9f50247d4..76c1170b3528 100644 --- a/trunk/arch/arm/mach-highbank/highbank.c +++ b/trunk/arch/arm/mach-highbank/highbank.c @@ -32,7 +32,6 @@ #include #include #include -#include #include #include #include @@ -119,10 +118,10 @@ static void __init highbank_timer_init(void) sp804_clocksource_and_sched_clock_init(timer_base + 0x20, "timer1"); sp804_clockevents_init(timer_base, irq, "timer0"); - twd_local_timer_of_register(); - arch_timer_of_register(); arch_timer_sched_clock_init(); + + clocksource_of_init(); } static void highbank_power_off(void) diff --git a/trunk/arch/arm/mach-imx/mach-imx6q.c b/trunk/arch/arm/mach-imx/mach-imx6q.c index 9ffd103b27e4..b59ddcb57c78 100644 --- a/trunk/arch/arm/mach-imx/mach-imx6q.c +++ b/trunk/arch/arm/mach-imx/mach-imx6q.c @@ -12,6 +12,7 @@ #include #include +#include #include #include #include @@ -28,11 +29,9 @@ #include #include #include -#include #include #include #include -#include #include #include "common.h" @@ -292,7 +291,7 @@ static void __init imx6q_init_irq(void) static void __init imx6q_timer_init(void) { mx6q_clocks_init(); - twd_local_timer_of_register(); + clocksource_of_init(); imx_print_silicon_rev("i.MX6Q", imx6q_revision()); } diff --git a/trunk/arch/arm/mach-mxs/Makefile b/trunk/arch/arm/mach-mxs/Makefile index 3d3c8a973062..80db7269760e 100644 --- a/trunk/arch/arm/mach-mxs/Makefile +++ b/trunk/arch/arm/mach-mxs/Makefile @@ -1,6 +1,2 @@ -# Common support -obj-y := icoll.o ocotp.o system.o timer.o mm.o - obj-$(CONFIG_PM) += pm.o - obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o diff --git a/trunk/arch/arm/mach-mxs/include/mach/common.h b/trunk/arch/arm/mach-mxs/include/mach/common.h deleted file mode 100644 index be5a9c93cb2a..000000000000 --- a/trunk/arch/arm/mach-mxs/include/mach/common.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __MACH_MXS_COMMON_H__ -#define __MACH_MXS_COMMON_H__ - -extern const u32 *mxs_get_ocotp(void); -extern int mxs_reset_block(void __iomem *); -extern void mxs_timer_init(void); -extern void mxs_restart(char, const char *); -extern int mxs_saif_clkmux_select(unsigned int clkmux); - -extern int mx23_clocks_init(void); -extern void mx23_map_io(void); - -extern int mx28_clocks_init(void); -extern void mx28_map_io(void); - -extern void icoll_init_irq(void); -extern void icoll_handle_irq(struct pt_regs *); - -#endif /* __MACH_MXS_COMMON_H__ */ diff --git a/trunk/arch/arm/mach-mxs/include/mach/debug-macro.S b/trunk/arch/arm/mach-mxs/include/mach/debug-macro.S index 90c6b7836ad3..d86951551ca1 100644 --- a/trunk/arch/arm/mach-mxs/include/mach/debug-macro.S +++ b/trunk/arch/arm/mach-mxs/include/mach/debug-macro.S @@ -11,16 +11,13 @@ * */ -#include -#include - #ifdef CONFIG_DEBUG_IMX23_UART -#define UART_PADDR MX23_DUART_BASE_ADDR +#define UART_PADDR 0x80070000 #elif defined (CONFIG_DEBUG_IMX28_UART) -#define UART_PADDR MX28_DUART_BASE_ADDR +#define UART_PADDR 0x80074000 #endif -#define UART_VADDR MXS_IO_ADDRESS(UART_PADDR) +#define UART_VADDR 0xfe100000 .macro addruart, rp, rv, tmp ldr \rp, =UART_PADDR @ physical diff --git a/trunk/arch/arm/mach-mxs/include/mach/digctl.h b/trunk/arch/arm/mach-mxs/include/mach/digctl.h deleted file mode 100644 index 17964066303f..000000000000 --- a/trunk/arch/arm/mach-mxs/include/mach/digctl.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __MACH_DIGCTL_H__ -#define __MACH_DIGCTL_H__ - -/* MXS DIGCTL SAIF CLKMUX */ -#define MXS_DIGCTL_SAIF_CLKMUX_DIRECT 0x0 -#define MXS_DIGCTL_SAIF_CLKMUX_CROSSINPUT 0x1 -#define MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0 0x2 -#define MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR1 0x3 - -#define HW_DIGCTL_CTRL 0x0 -#define BP_DIGCTL_CTRL_SAIF_CLKMUX 10 -#define BM_DIGCTL_CTRL_SAIF_CLKMUX (0x3 << 10) -#define HW_DIGCTL_CHIPID 0x310 -#endif diff --git a/trunk/arch/arm/mach-mxs/include/mach/hardware.h b/trunk/arch/arm/mach-mxs/include/mach/hardware.h deleted file mode 100644 index 4c0e8a64d8c7..000000000000 --- a/trunk/arch/arm/mach-mxs/include/mach/hardware.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2008 Juergen Beisert, kernel@pengutronix.de - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifndef __MACH_MXS_HARDWARE_H__ -#define __MACH_MXS_HARDWARE_H__ - -#endif /* __MACH_MXS_HARDWARE_H__ */ diff --git a/trunk/arch/arm/mach-mxs/include/mach/mx23.h b/trunk/arch/arm/mach-mxs/include/mach/mx23.h deleted file mode 100644 index 599094bc99de..000000000000 --- a/trunk/arch/arm/mach-mxs/include/mach/mx23.h +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef __MACH_MX23_H__ -#define __MACH_MX23_H__ - -#include - -/* - * OCRAM - */ -#define MX23_OCRAM_BASE_ADDR 0x00000000 -#define MX23_OCRAM_SIZE SZ_32K - -/* - * IO - */ -#define MX23_IO_BASE_ADDR 0x80000000 -#define MX23_IO_SIZE SZ_1M - -#define MX23_ICOLL_BASE_ADDR (MX23_IO_BASE_ADDR + 0x000000) -#define MX23_APBH_DMA_BASE_ADDR (MX23_IO_BASE_ADDR + 0x004000) -#define MX23_BCH_BASE_ADDR (MX23_IO_BASE_ADDR + 0x00a000) -#define MX23_GPMI_BASE_ADDR (MX23_IO_BASE_ADDR + 0x00c000) -#define MX23_SSP1_BASE_ADDR (MX23_IO_BASE_ADDR + 0x010000) -#define MX23_PINCTRL_BASE_ADDR (MX23_IO_BASE_ADDR + 0x018000) -#define MX23_DIGCTL_BASE_ADDR (MX23_IO_BASE_ADDR + 0x01c000) -#define MX23_ETM_BASE_ADDR (MX23_IO_BASE_ADDR + 0x020000) -#define MX23_APBX_DMA_BASE_ADDR (MX23_IO_BASE_ADDR + 0x024000) -#define MX23_DCP_BASE_ADDR (MX23_IO_BASE_ADDR + 0x028000) -#define MX23_PXP_BASE_ADDR (MX23_IO_BASE_ADDR + 0x02a000) -#define MX23_OCOTP_BASE_ADDR (MX23_IO_BASE_ADDR + 0x02c000) -#define MX23_AXI_AHB0_BASE_ADDR (MX23_IO_BASE_ADDR + 0x02e000) -#define MX23_LCDIF_BASE_ADDR (MX23_IO_BASE_ADDR + 0x030000) -#define MX23_SSP2_BASE_ADDR (MX23_IO_BASE_ADDR + 0x034000) -#define MX23_TVENC_BASE_ADDR (MX23_IO_BASE_ADDR + 0x038000) -#define MX23_CLKCTRL_BASE_ADDR (MX23_IO_BASE_ADDR + 0x040000) -#define MX23_SAIF0_BASE_ADDR (MX23_IO_BASE_ADDR + 0x042000) -#define MX23_POWER_BASE_ADDR (MX23_IO_BASE_ADDR + 0x044000) -#define MX23_SAIF1_BASE_ADDR (MX23_IO_BASE_ADDR + 0x046000) -#define MX23_AUDIOOUT_BASE_ADDR (MX23_IO_BASE_ADDR + 0x048000) -#define MX23_AUDIOIN_BASE_ADDR (MX23_IO_BASE_ADDR + 0x04c000) -#define MX23_LRADC_BASE_ADDR (MX23_IO_BASE_ADDR + 0x050000) -#define MX23_SPDIF_BASE_ADDR (MX23_IO_BASE_ADDR + 0x054000) -#define MX23_I2C_BASE_ADDR (MX23_IO_BASE_ADDR + 0x058000) -#define MX23_RTC_BASE_ADDR (MX23_IO_BASE_ADDR + 0x05c000) -#define MX23_PWM_BASE_ADDR (MX23_IO_BASE_ADDR + 0x064000) -#define MX23_TIMROT_BASE_ADDR (MX23_IO_BASE_ADDR + 0x068000) -#define MX23_AUART1_BASE_ADDR (MX23_IO_BASE_ADDR + 0x06c000) -#define MX23_AUART2_BASE_ADDR (MX23_IO_BASE_ADDR + 0x06e000) -#define MX23_DUART_BASE_ADDR (MX23_IO_BASE_ADDR + 0x070000) -#define MX23_USBPHY_BASE_ADDR (MX23_IO_BASE_ADDR + 0x07c000) -#define MX23_USBCTRL_BASE_ADDR (MX23_IO_BASE_ADDR + 0x080000) -#define MX23_DRAM_BASE_ADDR (MX23_IO_BASE_ADDR + 0x0e0000) - -#define MX23_IO_P2V(x) MXS_IO_P2V(x) -#define MX23_IO_ADDRESS(x) IOMEM(MX23_IO_P2V(x)) - -/* - * IRQ - */ -#define MX23_INT_DUART 0 -#define MX23_INT_COMMS_RX 1 -#define MX23_INT_COMMS_TX 1 -#define MX23_INT_SSP2_ERROR 2 -#define MX23_INT_VDD5V 3 -#define MX23_INT_HEADPHONE_SHORT 4 -#define MX23_INT_DAC_DMA 5 -#define MX23_INT_DAC_ERROR 6 -#define MX23_INT_ADC_DMA 7 -#define MX23_INT_ADC_ERROR 8 -#define MX23_INT_SPDIF_DMA 9 -#define MX23_INT_SAIF2_DMA 9 -#define MX23_INT_SPDIF_ERROR 10 -#define MX23_INT_SAIF1_IRQ 10 -#define MX23_INT_SAIF2_IRQ 10 -#define MX23_INT_USB_CTRL 11 -#define MX23_INT_USB_WAKEUP 12 -#define MX23_INT_GPMI_DMA 13 -#define MX23_INT_SSP1_DMA 14 -#define MX23_INT_SSP1_ERROR 15 -#define MX23_INT_GPIO0 16 -#define MX23_INT_GPIO1 17 -#define MX23_INT_GPIO2 18 -#define MX23_INT_SAIF1_DMA 19 -#define MX23_INT_SSP2_DMA 20 -#define MX23_INT_ECC8_IRQ 21 -#define MX23_INT_RTC_ALARM 22 -#define MX23_INT_AUART1_TX_DMA 23 -#define MX23_INT_AUART1 24 -#define MX23_INT_AUART1_RX_DMA 25 -#define MX23_INT_I2C_DMA 26 -#define MX23_INT_I2C_ERROR 27 -#define MX23_INT_TIMER0 28 -#define MX23_INT_TIMER1 29 -#define MX23_INT_TIMER2 30 -#define MX23_INT_TIMER3 31 -#define MX23_INT_BATT_BRNOUT 32 -#define MX23_INT_VDDD_BRNOUT 33 -#define MX23_INT_VDDIO_BRNOUT 34 -#define MX23_INT_VDD18_BRNOUT 35 -#define MX23_INT_TOUCH_DETECT 36 -#define MX23_INT_LRADC_CH0 37 -#define MX23_INT_LRADC_CH1 38 -#define MX23_INT_LRADC_CH2 39 -#define MX23_INT_LRADC_CH3 40 -#define MX23_INT_LRADC_CH4 41 -#define MX23_INT_LRADC_CH5 42 -#define MX23_INT_LRADC_CH6 43 -#define MX23_INT_LRADC_CH7 44 -#define MX23_INT_LCDIF_DMA 45 -#define MX23_INT_LCDIF_ERROR 46 -#define MX23_INT_DIGCTL_DEBUG_TRAP 47 -#define MX23_INT_RTC_1MSEC 48 -#define MX23_INT_DRI_DMA 49 -#define MX23_INT_DRI_ATTENTION 50 -#define MX23_INT_GPMI_ATTENTION 51 -#define MX23_INT_IR 52 -#define MX23_INT_DCP_VMI 53 -#define MX23_INT_DCP 54 -#define MX23_INT_BCH 56 -#define MX23_INT_PXP 57 -#define MX23_INT_AUART2_TX_DMA 58 -#define MX23_INT_AUART2 59 -#define MX23_INT_AUART2_RX_DMA 60 -#define MX23_INT_VDAC_DETECT 61 -#define MX23_INT_VDD5V_DROOP 64 -#define MX23_INT_DCDC4P2_BO 65 - -/* - * APBH DMA - */ -#define MX23_DMA_SSP1 1 -#define MX23_DMA_SSP2 2 -#define MX23_DMA_GPMI0 4 -#define MX23_DMA_GPMI1 5 -#define MX23_DMA_GPMI2 6 -#define MX23_DMA_GPMI3 7 - -/* - * APBX DMA - */ -#define MX23_DMA_ADC 0 -#define MX23_DMA_DAC 1 -#define MX23_DMA_SPDIF 2 -#define MX23_DMA_I2C 3 -#define MX23_DMA_SAIF0 4 -#define MX23_DMA_UART0_RX 6 -#define MX23_DMA_UART0_TX 7 -#define MX23_DMA_UART1_RX 8 -#define MX23_DMA_UART1_TX 9 -#define MX23_DMA_SAIF1 10 - -#endif /* __MACH_MX23_H__ */ diff --git a/trunk/arch/arm/mach-mxs/include/mach/mx28.h b/trunk/arch/arm/mach-mxs/include/mach/mx28.h deleted file mode 100644 index 30c7990f3c01..000000000000 --- a/trunk/arch/arm/mach-mxs/include/mach/mx28.h +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef __MACH_MX28_H__ -#define __MACH_MX28_H__ - -#include - -/* - * OCRAM - */ -#define MX28_OCRAM_BASE_ADDR 0x00000000 -#define MX28_OCRAM_SIZE SZ_128K - -/* - * IO - */ -#define MX28_IO_BASE_ADDR 0x80000000 -#define MX28_IO_SIZE SZ_1M - -#define MX28_ICOLL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x000000) -#define MX28_HSADC_BASE_ADDR (MX28_IO_BASE_ADDR + 0x002000) -#define MX28_APBH_DMA_BASE_ADDR (MX28_IO_BASE_ADDR + 0x004000) -#define MX28_PERFMON_BASE_ADDR (MX28_IO_BASE_ADDR + 0x006000) -#define MX28_BCH_BASE_ADDR (MX28_IO_BASE_ADDR + 0x00a000) -#define MX28_GPMI_BASE_ADDR (MX28_IO_BASE_ADDR + 0x00c000) -#define MX28_SSP0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x010000) -#define MX28_SSP1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x012000) -#define MX28_SSP2_BASE_ADDR (MX28_IO_BASE_ADDR + 0x014000) -#define MX28_SSP3_BASE_ADDR (MX28_IO_BASE_ADDR + 0x016000) -#define MX28_PINCTRL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x018000) -#define MX28_DIGCTL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x01c000) -#define MX28_ETM_BASE_ADDR (MX28_IO_BASE_ADDR + 0x022000) -#define MX28_APBX_DMA_BASE_ADDR (MX28_IO_BASE_ADDR + 0x024000) -#define MX28_DCP_BASE_ADDR (MX28_IO_BASE_ADDR + 0x028000) -#define MX28_PXP_BASE_ADDR (MX28_IO_BASE_ADDR + 0x02a000) -#define MX28_OCOTP_BASE_ADDR (MX28_IO_BASE_ADDR + 0x02c000) -#define MX28_AXI_AHB0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x02e000) -#define MX28_LCDIF_BASE_ADDR (MX28_IO_BASE_ADDR + 0x030000) -#define MX28_CAN0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x032000) -#define MX28_CAN1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x034000) -#define MX28_SIMDBG_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c000) -#define MX28_SIMGPMISEL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c200) -#define MX28_SIMSSPSEL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c300) -#define MX28_SIMMEMSEL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c400) -#define MX28_GPIOMON_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c500) -#define MX28_SIMENET_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c700) -#define MX28_ARMJTAG_BASE_ADDR (MX28_IO_BASE_ADDR + 0x03c800) -#define MX28_CLKCTRL_BASE_ADDR (MX28_IO_BASE_ADDR + 0x040000) -#define MX28_SAIF0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x042000) -#define MX28_POWER_BASE_ADDR (MX28_IO_BASE_ADDR + 0x044000) -#define MX28_SAIF1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x046000) -#define MX28_LRADC_BASE_ADDR (MX28_IO_BASE_ADDR + 0x050000) -#define MX28_SPDIF_BASE_ADDR (MX28_IO_BASE_ADDR + 0x054000) -#define MX28_RTC_BASE_ADDR (MX28_IO_BASE_ADDR + 0x056000) -#define MX28_I2C0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x058000) -#define MX28_I2C1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x05a000) -#define MX28_PWM_BASE_ADDR (MX28_IO_BASE_ADDR + 0x064000) -#define MX28_TIMROT_BASE_ADDR (MX28_IO_BASE_ADDR + 0x068000) -#define MX28_AUART0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x06a000) -#define MX28_AUART1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x06c000) -#define MX28_AUART2_BASE_ADDR (MX28_IO_BASE_ADDR + 0x06e000) -#define MX28_AUART3_BASE_ADDR (MX28_IO_BASE_ADDR + 0x070000) -#define MX28_AUART4_BASE_ADDR (MX28_IO_BASE_ADDR + 0x072000) -#define MX28_DUART_BASE_ADDR (MX28_IO_BASE_ADDR + 0x074000) -#define MX28_USBPHY0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x07C000) -#define MX28_USBPHY1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x07e000) -#define MX28_USBCTRL0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x080000) -#define MX28_USBCTRL1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x090000) -#define MX28_DFLPT_BASE_ADDR (MX28_IO_BASE_ADDR + 0x0c0000) -#define MX28_DRAM_BASE_ADDR (MX28_IO_BASE_ADDR + 0x0e0000) -#define MX28_ENET_MAC0_BASE_ADDR (MX28_IO_BASE_ADDR + 0x0f0000) -#define MX28_ENET_MAC1_BASE_ADDR (MX28_IO_BASE_ADDR + 0x0f4000) - -#define MX28_IO_P2V(x) MXS_IO_P2V(x) -#define MX28_IO_ADDRESS(x) IOMEM(MX28_IO_P2V(x)) - -/* - * IRQ - */ -#define MX28_INT_BATT_BRNOUT 0 -#define MX28_INT_VDDD_BRNOUT 1 -#define MX28_INT_VDDIO_BRNOUT 2 -#define MX28_INT_VDDA_BRNOUT 3 -#define MX28_INT_VDD5V_DROOP 4 -#define MX28_INT_DCDC4P2_BRNOUT 5 -#define MX28_INT_VDD5V 6 -#define MX28_INT_CAN0 8 -#define MX28_INT_CAN1 9 -#define MX28_INT_LRADC_TOUCH 10 -#define MX28_INT_HSADC 13 -#define MX28_INT_LRADC_THRESH0 14 -#define MX28_INT_LRADC_THRESH1 15 -#define MX28_INT_LRADC_CH0 16 -#define MX28_INT_LRADC_CH1 17 -#define MX28_INT_LRADC_CH2 18 -#define MX28_INT_LRADC_CH3 19 -#define MX28_INT_LRADC_CH4 20 -#define MX28_INT_LRADC_CH5 21 -#define MX28_INT_LRADC_CH6 22 -#define MX28_INT_LRADC_CH7 23 -#define MX28_INT_LRADC_BUTTON0 24 -#define MX28_INT_LRADC_BUTTON1 25 -#define MX28_INT_PERFMON 27 -#define MX28_INT_RTC_1MSEC 28 -#define MX28_INT_RTC_ALARM 29 -#define MX28_INT_COMMS 31 -#define MX28_INT_EMI_ERR 32 -#define MX28_INT_LCDIF 38 -#define MX28_INT_PXP 39 -#define MX28_INT_BCH 41 -#define MX28_INT_GPMI 42 -#define MX28_INT_SPDIF_ERROR 45 -#define MX28_INT_DUART 47 -#define MX28_INT_TIMER0 48 -#define MX28_INT_TIMER1 49 -#define MX28_INT_TIMER2 50 -#define MX28_INT_TIMER3 51 -#define MX28_INT_DCP_VMI 52 -#define MX28_INT_DCP 53 -#define MX28_INT_DCP_SECURE 54 -#define MX28_INT_SAIF1 58 -#define MX28_INT_SAIF0 59 -#define MX28_INT_SPDIF_DMA 66 -#define MX28_INT_I2C0_DMA 68 -#define MX28_INT_I2C1_DMA 69 -#define MX28_INT_AUART0_RX_DMA 70 -#define MX28_INT_AUART0_TX_DMA 71 -#define MX28_INT_AUART1_RX_DMA 72 -#define MX28_INT_AUART1_TX_DMA 73 -#define MX28_INT_AUART2_RX_DMA 74 -#define MX28_INT_AUART2_TX_DMA 75 -#define MX28_INT_AUART3_RX_DMA 76 -#define MX28_INT_AUART3_TX_DMA 77 -#define MX28_INT_AUART4_RX_DMA 78 -#define MX28_INT_AUART4_TX_DMA 79 -#define MX28_INT_SAIF0_DMA 80 -#define MX28_INT_SAIF1_DMA 81 -#define MX28_INT_SSP0_DMA 82 -#define MX28_INT_SSP1_DMA 83 -#define MX28_INT_SSP2_DMA 84 -#define MX28_INT_SSP3_DMA 85 -#define MX28_INT_LCDIF_DMA 86 -#define MX28_INT_HSADC_DMA 87 -#define MX28_INT_GPMI_DMA 88 -#define MX28_INT_DIGCTL_DEBUG_TRAP 89 -#define MX28_INT_USB1 92 -#define MX28_INT_USB0 93 -#define MX28_INT_USB1_WAKEUP 94 -#define MX28_INT_USB0_WAKEUP 95 -#define MX28_INT_SSP0_ERROR 96 -#define MX28_INT_SSP1_ERROR 97 -#define MX28_INT_SSP2_ERROR 98 -#define MX28_INT_SSP3_ERROR 99 -#define MX28_INT_ENET_SWI 100 -#define MX28_INT_ENET_MAC0 101 -#define MX28_INT_ENET_MAC1 102 -#define MX28_INT_ENET_MAC0_1588 103 -#define MX28_INT_ENET_MAC1_1588 104 -#define MX28_INT_I2C1_ERROR 110 -#define MX28_INT_I2C0_ERROR 111 -#define MX28_INT_AUART0 112 -#define MX28_INT_AUART1 113 -#define MX28_INT_AUART2 114 -#define MX28_INT_AUART3 115 -#define MX28_INT_AUART4 116 -#define MX28_INT_GPIO4 123 -#define MX28_INT_GPIO3 124 -#define MX28_INT_GPIO2 125 -#define MX28_INT_GPIO1 126 -#define MX28_INT_GPIO0 127 - -/* - * APBH DMA - */ -#define MX28_DMA_SSP0 0 -#define MX28_DMA_SSP1 1 -#define MX28_DMA_SSP2 2 -#define MX28_DMA_SSP3 3 -#define MX28_DMA_GPMI0 4 -#define MX28_DMA_GPMI1 5 -#define MX28_DMA_GPMI2 6 -#define MX28_DMA_GPMI3 7 -#define MX28_DMA_GPMI4 8 -#define MX28_DMA_GPMI5 9 -#define MX28_DMA_GPMI6 10 -#define MX28_DMA_GPMI7 11 -#define MX28_DMA_HSADC 12 -#define MX28_DMA_LCDIF 13 - -/* - * APBX DMA - */ -#define MX28_DMA_AUART4_RX 0 -#define MX28_DMA_AUART4_TX 1 -#define MX28_DMA_SPDIF_TX 2 -#define MX28_DMA_SAIF0 4 -#define MX28_DMA_SAIF1 5 -#define MX28_DMA_I2C0 6 -#define MX28_DMA_I2C1 7 -#define MX28_DMA_AUART0_RX 8 -#define MX28_DMA_AUART0_TX 9 -#define MX28_DMA_AUART1_RX 10 -#define MX28_DMA_AUART1_TX 11 -#define MX28_DMA_AUART2_RX 12 -#define MX28_DMA_AUART2_TX 13 -#define MX28_DMA_AUART3_RX 14 -#define MX28_DMA_AUART3_TX 15 - -#endif /* __MACH_MX28_H__ */ diff --git a/trunk/arch/arm/mach-mxs/include/mach/mxs.h b/trunk/arch/arm/mach-mxs/include/mach/mxs.h deleted file mode 100644 index 7d4fb6d0afda..000000000000 --- a/trunk/arch/arm/mach-mxs/include/mach/mxs.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef __MACH_MXS_H__ -#define __MACH_MXS_H__ - -#ifndef __ASSEMBLER__ -#include -#endif -#include -#include -#include - -/* - * IO addresses common to MXS-based - */ -#define MXS_IO_BASE_ADDR 0x80000000 -#define MXS_IO_SIZE SZ_1M - -#define MXS_ICOLL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x000000) -#define MXS_APBH_DMA_BASE_ADDR (MXS_IO_BASE_ADDR + 0x004000) -#define MXS_BCH_BASE_ADDR (MXS_IO_BASE_ADDR + 0x00a000) -#define MXS_GPMI_BASE_ADDR (MXS_IO_BASE_ADDR + 0x00c000) -#define MXS_PINCTRL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x018000) -#define MXS_DIGCTL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x01c000) -#define MXS_APBX_DMA_BASE_ADDR (MXS_IO_BASE_ADDR + 0x024000) -#define MXS_DCP_BASE_ADDR (MXS_IO_BASE_ADDR + 0x028000) -#define MXS_PXP_BASE_ADDR (MXS_IO_BASE_ADDR + 0x02a000) -#define MXS_OCOTP_BASE_ADDR (MXS_IO_BASE_ADDR + 0x02c000) -#define MXS_AXI_AHB0_BASE_ADDR (MXS_IO_BASE_ADDR + 0x02e000) -#define MXS_LCDIF_BASE_ADDR (MXS_IO_BASE_ADDR + 0x030000) -#define MXS_CLKCTRL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x040000) -#define MXS_SAIF0_BASE_ADDR (MXS_IO_BASE_ADDR + 0x042000) -#define MXS_POWER_BASE_ADDR (MXS_IO_BASE_ADDR + 0x044000) -#define MXS_SAIF1_BASE_ADDR (MXS_IO_BASE_ADDR + 0x046000) -#define MXS_LRADC_BASE_ADDR (MXS_IO_BASE_ADDR + 0x050000) -#define MXS_SPDIF_BASE_ADDR (MXS_IO_BASE_ADDR + 0x054000) -#define MXS_I2C0_BASE_ADDR (MXS_IO_BASE_ADDR + 0x058000) -#define MXS_PWM_BASE_ADDR (MXS_IO_BASE_ADDR + 0x064000) -#define MXS_TIMROT_BASE_ADDR (MXS_IO_BASE_ADDR + 0x068000) -#define MXS_AUART1_BASE_ADDR (MXS_IO_BASE_ADDR + 0x06c000) -#define MXS_AUART2_BASE_ADDR (MXS_IO_BASE_ADDR + 0x06e000) -#define MXS_DRAM_BASE_ADDR (MXS_IO_BASE_ADDR + 0x0e0000) - -/* - * It maps the whole address space to [0xf4000000, 0xf50fffff]. - * - * OCRAM 0x00000000+0x020000 -> 0xf4000000+0x020000 - * IO 0x80000000+0x100000 -> 0xf5000000+0x100000 - */ -#define MXS_IO_P2V(x) (0xf4000000 + \ - (((x) & 0x80000000) >> 7) + \ - (((x) & 0x000fffff))) - -#define MXS_IO_ADDRESS(x) IOMEM(MXS_IO_P2V(x)) - -#define mxs_map_entry(soc, name, _type) { \ - .virtual = soc ## _IO_P2V(soc ## _ ## name ## _BASE_ADDR), \ - .pfn = __phys_to_pfn(soc ## _ ## name ## _BASE_ADDR), \ - .length = soc ## _ ## name ## _SIZE, \ - .type = _type, \ -} - -#define MXS_GPIO_NR(bank, nr) ((bank) * 32 + (nr)) - -#define MXS_SET_ADDR 0x4 -#define MXS_CLR_ADDR 0x8 -#define MXS_TOG_ADDR 0xc - -#ifndef __ASSEMBLER__ -static inline void __mxs_setl(u32 mask, void __iomem *reg) -{ - __raw_writel(mask, reg + MXS_SET_ADDR); -} - -static inline void __mxs_clrl(u32 mask, void __iomem *reg) -{ - __raw_writel(mask, reg + MXS_CLR_ADDR); -} - -static inline void __mxs_togl(u32 mask, void __iomem *reg) -{ - __raw_writel(mask, reg + MXS_TOG_ADDR); -} - -/* - * MXS CPU types - */ -#define MXS_CHIPID (MXS_IO_ADDRESS(MXS_DIGCTL_BASE_ADDR) + HW_DIGCTL_CHIPID) - -static inline int cpu_is_mx23(void) -{ - return ((__raw_readl(MXS_CHIPID) >> 16) == 0x3780); -} - -static inline int cpu_is_mx28(void) -{ - return ((__raw_readl(MXS_CHIPID) >> 16) == 0x2800); -} -#endif - -#endif /* __MACH_MXS_H__ */ diff --git a/trunk/arch/arm/mach-mxs/mach-mxs.c b/trunk/arch/arm/mach-mxs/mach-mxs.c index 3218f1f2c0e0..f39ab808694d 100644 --- a/trunk/arch/arm/mach-mxs/mach-mxs.c +++ b/trunk/arch/arm/mach-mxs/mach-mxs.c @@ -11,132 +11,52 @@ */ #include +#include #include +#include #include #include #include #include #include +#include +#include #include -#include +#include #include #include #include #include +#include #include -#include -#include -#include - -static struct fb_videomode mx23evk_video_modes[] = { - { - .name = "Samsung-LMS430HF02", - .refresh = 60, - .xres = 480, - .yres = 272, - .pixclock = 108096, /* picosecond (9.2 MHz) */ - .left_margin = 15, - .right_margin = 8, - .upper_margin = 12, - .lower_margin = 4, - .hsync_len = 1, - .vsync_len = 1, - .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT | - FB_SYNC_DOTCLK_FAILING_ACT, - }, -}; +#include -static struct fb_videomode mx28evk_video_modes[] = { - { - .name = "Seiko-43WVF1G", - .refresh = 60, - .xres = 800, - .yres = 480, - .pixclock = 29851, /* picosecond (33.5 MHz) */ - .left_margin = 89, - .right_margin = 164, - .upper_margin = 23, - .lower_margin = 10, - .hsync_len = 10, - .vsync_len = 10, - .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT | - FB_SYNC_DOTCLK_FAILING_ACT, - }, -}; +/* MXS DIGCTL SAIF CLKMUX */ +#define MXS_DIGCTL_SAIF_CLKMUX_DIRECT 0x0 +#define MXS_DIGCTL_SAIF_CLKMUX_CROSSINPUT 0x1 +#define MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0 0x2 +#define MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR1 0x3 -static struct fb_videomode m28evk_video_modes[] = { - { - .name = "Ampire AM-800480R2TMQW-T01H", - .refresh = 60, - .xres = 800, - .yres = 480, - .pixclock = 30066, /* picosecond (33.26 MHz) */ - .left_margin = 0, - .right_margin = 256, - .upper_margin = 0, - .lower_margin = 45, - .hsync_len = 1, - .vsync_len = 1, - .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT, - }, -}; +#define MXS_GPIO_NR(bank, nr) ((bank) * 32 + (nr)) -static struct fb_videomode apx4devkit_video_modes[] = { - { - .name = "HannStar PJ70112A", - .refresh = 60, - .xres = 800, - .yres = 480, - .pixclock = 33333, /* picosecond (30.00 MHz) */ - .left_margin = 88, - .right_margin = 40, - .upper_margin = 32, - .lower_margin = 13, - .hsync_len = 48, - .vsync_len = 3, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | - FB_SYNC_DATA_ENABLE_HIGH_ACT | - FB_SYNC_DOTCLK_FAILING_ACT, - }, -}; +#define MXS_SET_ADDR 0x4 +#define MXS_CLR_ADDR 0x8 +#define MXS_TOG_ADDR 0xc -static struct fb_videomode apf28dev_video_modes[] = { - { - .name = "LW700", - .refresh = 60, - .xres = 800, - .yres = 480, - .pixclock = 30303, /* picosecond */ - .left_margin = 96, - .right_margin = 96, /* at least 3 & 1 */ - .upper_margin = 0x14, - .lower_margin = 0x15, - .hsync_len = 64, - .vsync_len = 4, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | - FB_SYNC_DATA_ENABLE_HIGH_ACT | - FB_SYNC_DOTCLK_FAILING_ACT, - }, -}; +static inline void __mxs_setl(u32 mask, void __iomem *reg) +{ + __raw_writel(mask, reg + MXS_SET_ADDR); +} -static struct fb_videomode cfa10049_video_modes[] = { - { - .name = "Himax HX8357-B", - .refresh = 60, - .xres = 320, - .yres = 480, - .pixclock = 108506, /* picosecond (9.216 MHz) */ - .left_margin = 2, - .right_margin = 2, - .upper_margin = 2, - .lower_margin = 2, - .hsync_len = 15, - .vsync_len = 15, - .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT - }, -}; +static inline void __mxs_clrl(u32 mask, void __iomem *reg) +{ + __raw_writel(mask, reg + MXS_CLR_ADDR); +} -static struct mxsfb_platform_data mxsfb_pdata __initdata; +static inline void __mxs_togl(u32 mask, void __iomem *reg) +{ + __raw_writel(mask, reg + MXS_TOG_ADDR); +} /* * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers @@ -168,21 +88,85 @@ static void mx28evk_flexcan1_switch(int enable) static struct flexcan_platform_data flexcan_pdata[2]; static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("fsl,imx23-lcdif", 0x80030000, NULL, &mxsfb_pdata), - OF_DEV_AUXDATA("fsl,imx28-lcdif", 0x80030000, NULL, &mxsfb_pdata), OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80032000, NULL, &flexcan_pdata[0]), OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80034000, NULL, &flexcan_pdata[1]), { /* sentinel */ } }; -static void __init imx23_timer_init(void) -{ - mx23_clocks_init(); -} +#define OCOTP_WORD_OFFSET 0x20 +#define OCOTP_WORD_COUNT 0x20 + +#define BM_OCOTP_CTRL_BUSY (1 << 8) +#define BM_OCOTP_CTRL_ERROR (1 << 9) +#define BM_OCOTP_CTRL_RD_BANK_OPEN (1 << 12) + +static DEFINE_MUTEX(ocotp_mutex); +static u32 ocotp_words[OCOTP_WORD_COUNT]; -static void __init imx28_timer_init(void) +static const u32 *mxs_get_ocotp(void) { - mx28_clocks_init(); + struct device_node *np; + void __iomem *ocotp_base; + int timeout = 0x400; + size_t i; + static int once; + + if (once) + return ocotp_words; + + np = of_find_compatible_node(NULL, NULL, "fsl,ocotp"); + ocotp_base = of_iomap(np, 0); + WARN_ON(!ocotp_base); + + mutex_lock(&ocotp_mutex); + + /* + * clk_enable(hbus_clk) for ocotp can be skipped + * as it must be on when system is running. + */ + + /* try to clear ERROR bit */ + __mxs_clrl(BM_OCOTP_CTRL_ERROR, ocotp_base); + + /* check both BUSY and ERROR cleared */ + while ((__raw_readl(ocotp_base) & + (BM_OCOTP_CTRL_BUSY | BM_OCOTP_CTRL_ERROR)) && --timeout) + cpu_relax(); + + if (unlikely(!timeout)) + goto error_unlock; + + /* open OCOTP banks for read */ + __mxs_setl(BM_OCOTP_CTRL_RD_BANK_OPEN, ocotp_base); + + /* approximately wait 32 hclk cycles */ + udelay(1); + + /* poll BUSY bit becoming cleared */ + timeout = 0x400; + while ((__raw_readl(ocotp_base) & BM_OCOTP_CTRL_BUSY) && --timeout) + cpu_relax(); + + if (unlikely(!timeout)) + goto error_unlock; + + for (i = 0; i < OCOTP_WORD_COUNT; i++) + ocotp_words[i] = __raw_readl(ocotp_base + OCOTP_WORD_OFFSET + + i * 0x10); + + /* close banks for power saving */ + __mxs_clrl(BM_OCOTP_CTRL_RD_BANK_OPEN, ocotp_base); + + once = 1; + + mutex_unlock(&ocotp_mutex); + + return ocotp_words; + +error_unlock: + mutex_unlock(&ocotp_mutex); + pr_err("%s: timeout in reading OCOTP\n", __func__); + return NULL; } enum mac_oui { @@ -253,14 +237,6 @@ static void __init update_fec_mac_prop(enum mac_oui oui) } } -static void __init imx23_evk_init(void) -{ - mxsfb_pdata.mode_list = mx23evk_video_modes; - mxsfb_pdata.mode_count = ARRAY_SIZE(mx23evk_video_modes); - mxsfb_pdata.default_bpp = 32; - mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; -} - static inline void enable_clk_enet_out(void) { struct clk *clk = clk_get_sys("enet_out", NULL); @@ -271,14 +247,8 @@ static inline void enable_clk_enet_out(void) static void __init imx28_evk_init(void) { - enable_clk_enet_out(); update_fec_mac_prop(OUI_FSL); - mxsfb_pdata.mode_list = mx28evk_video_modes; - mxsfb_pdata.mode_count = ARRAY_SIZE(mx28evk_video_modes); - mxsfb_pdata.default_bpp = 32; - mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; - mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); } @@ -291,19 +261,6 @@ static void __init imx28_evk_post_init(void) } } -static void __init m28evk_init(void) -{ - mxsfb_pdata.mode_list = m28evk_video_modes; - mxsfb_pdata.mode_count = ARRAY_SIZE(m28evk_video_modes); - mxsfb_pdata.default_bpp = 16; - mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT; -} - -static void __init sc_sps1_init(void) -{ - enable_clk_enet_out(); -} - static int apx4devkit_phy_fixup(struct phy_device *phy) { phy->dev_flags |= MICREL_PHY_50MHZ_CLK; @@ -317,11 +274,6 @@ static void __init apx4devkit_init(void) if (IS_BUILTIN(CONFIG_PHYLIB)) phy_register_fixup_for_uid(PHY_ID_KSZ8051, MICREL_PHY_ID_MASK, apx4devkit_phy_fixup); - - mxsfb_pdata.mode_list = apx4devkit_video_modes; - mxsfb_pdata.mode_count = ARRAY_SIZE(apx4devkit_video_modes); - mxsfb_pdata.default_bpp = 32; - mxsfb_pdata.ld_intf_width = STMLCDIF_24BIT; } #define ENET0_MDC__GPIO_4_0 MXS_GPIO_NR(4, 0) @@ -400,49 +352,24 @@ static void __init tx28_post_init(void) static void __init cfa10049_init(void) { - enable_clk_enet_out(); update_fec_mac_prop(OUI_CRYSTALFONTZ); - - mxsfb_pdata.mode_list = cfa10049_video_modes; - mxsfb_pdata.mode_count = ARRAY_SIZE(cfa10049_video_modes); - mxsfb_pdata.default_bpp = 32; - mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT; } static void __init cfa10037_init(void) { - enable_clk_enet_out(); update_fec_mac_prop(OUI_CRYSTALFONTZ); } -static void __init apf28_init(void) -{ - enable_clk_enet_out(); - - mxsfb_pdata.mode_list = apf28dev_video_modes; - mxsfb_pdata.mode_count = ARRAY_SIZE(apf28dev_video_modes); - mxsfb_pdata.default_bpp = 16; - mxsfb_pdata.ld_intf_width = STMLCDIF_16BIT; -} - static void __init mxs_machine_init(void) { if (of_machine_is_compatible("fsl,imx28-evk")) imx28_evk_init(); - else if (of_machine_is_compatible("fsl,imx23-evk")) - imx23_evk_init(); - else if (of_machine_is_compatible("denx,m28evk")) - m28evk_init(); else if (of_machine_is_compatible("bluegiga,apx4devkit")) apx4devkit_init(); else if (of_machine_is_compatible("crystalfontz,cfa10037")) cfa10037_init(); else if (of_machine_is_compatible("crystalfontz,cfa10049")) cfa10049_init(); - else if (of_machine_is_compatible("armadeus,imx28-apf28")) - apf28_init(); - else if (of_machine_is_compatible("schulercontrol,imx28-sps1")) - sc_sps1_init(); of_platform_populate(NULL, of_default_bus_match_table, mxs_auxdata_lookup, NULL); @@ -454,32 +381,62 @@ static void __init mxs_machine_init(void) imx28_evk_post_init(); } -static const char *imx23_dt_compat[] __initdata = { - "fsl,imx23", - NULL, -}; +#define MX23_CLKCTRL_RESET_OFFSET 0x120 +#define MX28_CLKCTRL_RESET_OFFSET 0x1e0 +#define MXS_CLKCTRL_RESET_CHIP (1 << 1) + +/* + * Reset the system. It is called by machine_restart(). + */ +static void mxs_restart(char mode, const char *cmd) +{ + struct device_node *np; + void __iomem *reset_addr; + + np = of_find_compatible_node(NULL, NULL, "fsl,clkctrl"); + reset_addr = of_iomap(np, 0); + if (!reset_addr) + goto soft; + + if (of_device_is_compatible(np, "fsl,imx23-clkctrl")) + reset_addr += MX23_CLKCTRL_RESET_OFFSET; + else + reset_addr += MX28_CLKCTRL_RESET_OFFSET; + + /* reset the chip */ + __mxs_setl(MXS_CLKCTRL_RESET_CHIP, reset_addr); + + pr_err("Failed to assert the chip reset\n"); + + /* Delay to allow the serial port to show the message */ + mdelay(50); + +soft: + /* We'll take a jump through zero as a poor second */ + soft_restart(0); +} -static const char *imx28_dt_compat[] __initdata = { +static void __init mxs_timer_init(void) +{ + if (of_machine_is_compatible("fsl,imx23")) + mx23_clocks_init(); + else + mx28_clocks_init(); + clocksource_of_init(); +} + +static const char *mxs_dt_compat[] __initdata = { "fsl,imx28", + "fsl,imx23", NULL, }; -DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)") - .map_io = mx23_map_io, - .init_irq = icoll_init_irq, - .handle_irq = icoll_handle_irq, - .init_time = imx23_timer_init, - .init_machine = mxs_machine_init, - .dt_compat = imx23_dt_compat, - .restart = mxs_restart, -MACHINE_END - -DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)") - .map_io = mx28_map_io, - .init_irq = icoll_init_irq, +DT_MACHINE_START(MXS, "Freescale MXS (Device Tree)") + .map_io = debug_ll_io_init, + .init_irq = irqchip_init, .handle_irq = icoll_handle_irq, - .init_time = imx28_timer_init, + .init_time = mxs_timer_init, .init_machine = mxs_machine_init, - .dt_compat = imx28_dt_compat, + .dt_compat = mxs_dt_compat, .restart = mxs_restart, MACHINE_END diff --git a/trunk/arch/arm/mach-mxs/mm.c b/trunk/arch/arm/mach-mxs/mm.c deleted file mode 100644 index e63b7d87acbd..000000000000 --- a/trunk/arch/arm/mach-mxs/mm.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html - * - * Create static mapping between physical to virtual memory. - */ - -#include -#include - -#include - -#include -#include -#include - -/* - * Define the MX23 memory map. - */ -static struct map_desc mx23_io_desc[] __initdata = { - mxs_map_entry(MX23, OCRAM, MT_DEVICE), - mxs_map_entry(MX23, IO, MT_DEVICE), -}; - -/* - * Define the MX28 memory map. - */ -static struct map_desc mx28_io_desc[] __initdata = { - mxs_map_entry(MX28, OCRAM, MT_DEVICE), - mxs_map_entry(MX28, IO, MT_DEVICE), -}; - -/* - * This function initializes the memory map. It is called during the - * system startup to create static physical to virtual memory mappings - * for the IO modules. - */ -void __init mx23_map_io(void) -{ - iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc)); -} - -void __init mx28_map_io(void) -{ - iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc)); -} diff --git a/trunk/arch/arm/mach-mxs/ocotp.c b/trunk/arch/arm/mach-mxs/ocotp.c deleted file mode 100644 index 1dff46703753..000000000000 --- a/trunk/arch/arm/mach-mxs/ocotp.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include -#include -#include - -#include /* for cpu_relax() */ - -#include -#include - -#define OCOTP_WORD_OFFSET 0x20 -#define OCOTP_WORD_COUNT 0x20 - -#define BM_OCOTP_CTRL_BUSY (1 << 8) -#define BM_OCOTP_CTRL_ERROR (1 << 9) -#define BM_OCOTP_CTRL_RD_BANK_OPEN (1 << 12) - -static DEFINE_MUTEX(ocotp_mutex); -static u32 ocotp_words[OCOTP_WORD_COUNT]; - -const u32 *mxs_get_ocotp(void) -{ - void __iomem *ocotp_base = MXS_IO_ADDRESS(MXS_OCOTP_BASE_ADDR); - int timeout = 0x400; - size_t i; - static int once = 0; - - if (once) - return ocotp_words; - - mutex_lock(&ocotp_mutex); - - /* - * clk_enable(hbus_clk) for ocotp can be skipped - * as it must be on when system is running. - */ - - /* try to clear ERROR bit */ - __mxs_clrl(BM_OCOTP_CTRL_ERROR, ocotp_base); - - /* check both BUSY and ERROR cleared */ - while ((__raw_readl(ocotp_base) & - (BM_OCOTP_CTRL_BUSY | BM_OCOTP_CTRL_ERROR)) && --timeout) - cpu_relax(); - - if (unlikely(!timeout)) - goto error_unlock; - - /* open OCOTP banks for read */ - __mxs_setl(BM_OCOTP_CTRL_RD_BANK_OPEN, ocotp_base); - - /* approximately wait 32 hclk cycles */ - udelay(1); - - /* poll BUSY bit becoming cleared */ - timeout = 0x400; - while ((__raw_readl(ocotp_base) & BM_OCOTP_CTRL_BUSY) && --timeout) - cpu_relax(); - - if (unlikely(!timeout)) - goto error_unlock; - - for (i = 0; i < OCOTP_WORD_COUNT; i++) - ocotp_words[i] = __raw_readl(ocotp_base + OCOTP_WORD_OFFSET + - i * 0x10); - - /* close banks for power saving */ - __mxs_clrl(BM_OCOTP_CTRL_RD_BANK_OPEN, ocotp_base); - - once = 1; - - mutex_unlock(&ocotp_mutex); - - return ocotp_words; - -error_unlock: - mutex_unlock(&ocotp_mutex); - pr_err("%s: timeout in reading OCOTP\n", __func__); - return NULL; -} diff --git a/trunk/arch/arm/mach-mxs/system.c b/trunk/arch/arm/mach-mxs/system.c deleted file mode 100644 index 30042e23bfa7..000000000000 --- a/trunk/arch/arm/mach-mxs/system.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 1999 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd - * Copyright 2006-2007,2010 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2008 Juergen Beisert, kernel@pengutronix.de - * Copyright 2009 Ilya Yanok, Emcraft Systems Ltd, yanok@emcraft.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include -#include - -#define MX23_CLKCTRL_RESET_OFFSET 0x120 -#define MX28_CLKCTRL_RESET_OFFSET 0x1e0 -#define MXS_CLKCTRL_RESET_CHIP (1 << 1) - -#define MXS_MODULE_CLKGATE (1 << 30) -#define MXS_MODULE_SFTRST (1 << 31) - -static void __iomem *mxs_clkctrl_reset_addr; - -/* - * Reset the system. It is called by machine_restart(). - */ -void mxs_restart(char mode, const char *cmd) -{ - /* reset the chip */ - __mxs_setl(MXS_CLKCTRL_RESET_CHIP, mxs_clkctrl_reset_addr); - - pr_err("Failed to assert the chip reset\n"); - - /* Delay to allow the serial port to show the message */ - mdelay(50); - - /* We'll take a jump through zero as a poor second */ - soft_restart(0); -} - -static int __init mxs_arch_reset_init(void) -{ - struct clk *clk; - - mxs_clkctrl_reset_addr = MXS_IO_ADDRESS(MXS_CLKCTRL_BASE_ADDR) + - (cpu_is_mx23() ? MX23_CLKCTRL_RESET_OFFSET : - MX28_CLKCTRL_RESET_OFFSET); - - clk = clk_get_sys("rtc", NULL); - if (!IS_ERR(clk)) - clk_prepare_enable(clk); - - return 0; -} -core_initcall(mxs_arch_reset_init); - -/* - * Clear the bit and poll it cleared. This is usually called with - * a reset address and mask being either SFTRST(bit 31) or CLKGATE - * (bit 30). - */ -static int clear_poll_bit(void __iomem *addr, u32 mask) -{ - int timeout = 0x400; - - /* clear the bit */ - __mxs_clrl(mask, addr); - - /* - * SFTRST needs 3 GPMI clocks to settle, the reference manual - * recommends to wait 1us. - */ - udelay(1); - - /* poll the bit becoming clear */ - while ((__raw_readl(addr) & mask) && --timeout) - /* nothing */; - - return !timeout; -} - -int mxs_reset_block(void __iomem *reset_addr) -{ - int ret; - int timeout = 0x400; - - /* clear and poll SFTRST */ - ret = clear_poll_bit(reset_addr, MXS_MODULE_SFTRST); - if (unlikely(ret)) - goto error; - - /* clear CLKGATE */ - __mxs_clrl(MXS_MODULE_CLKGATE, reset_addr); - - /* set SFTRST to reset the block */ - __mxs_setl(MXS_MODULE_SFTRST, reset_addr); - udelay(1); - - /* poll CLKGATE becoming set */ - while ((!(__raw_readl(reset_addr) & MXS_MODULE_CLKGATE)) && --timeout) - /* nothing */; - if (unlikely(!timeout)) - goto error; - - /* clear and poll SFTRST */ - ret = clear_poll_bit(reset_addr, MXS_MODULE_SFTRST); - if (unlikely(ret)) - goto error; - - /* clear and poll CLKGATE */ - ret = clear_poll_bit(reset_addr, MXS_MODULE_CLKGATE); - if (unlikely(ret)) - goto error; - - return 0; - -error: - pr_err("%s(%p): module reset timeout\n", __func__, reset_addr); - return -ETIMEDOUT; -} -EXPORT_SYMBOL(mxs_reset_block); diff --git a/trunk/arch/arm/mach-omap2/timer.c b/trunk/arch/arm/mach-omap2/timer.c index 2bdd4cf17a8f..4fd80257c73e 100644 --- a/trunk/arch/arm/mach-omap2/timer.c +++ b/trunk/arch/arm/mach-omap2/timer.c @@ -597,7 +597,7 @@ void __init omap4_local_timer_init(void) int err; if (of_have_populated_dt()) { - twd_local_timer_of_register(); + clocksource_of_init(); return; } diff --git a/trunk/arch/arm/mach-spear13xx/spear13xx.c b/trunk/arch/arm/mach-spear13xx/spear13xx.c index c7d2b4a8d8cc..25a10191b021 100644 --- a/trunk/arch/arm/mach-spear13xx/spear13xx.c +++ b/trunk/arch/arm/mach-spear13xx/spear13xx.c @@ -15,12 +15,12 @@ #include #include +#include #include #include #include #include #include -#include #include #include #include @@ -179,5 +179,5 @@ void __init spear13xx_timer_init(void) clk_put(pclk); spear_setup_of_timer(); - twd_local_timer_of_register(); + clocksource_of_init(); } diff --git a/trunk/arch/arm/mach-ux500/timer.c b/trunk/arch/arm/mach-ux500/timer.c index a6af0b8732ba..d07bbe7f04a6 100644 --- a/trunk/arch/arm/mach-ux500/timer.c +++ b/trunk/arch/arm/mach-ux500/timer.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -32,7 +33,7 @@ static void __init ux500_twd_init(void) twd_local_timer = &u8500_twd_local_timer; if (of_have_populated_dt()) - twd_local_timer_of_register(); + clocksource_of_init(); else { err = twd_local_timer_register(twd_local_timer); if (err) diff --git a/trunk/arch/arm/mach-vexpress/v2m.c b/trunk/arch/arm/mach-vexpress/v2m.c index 915683cb67d6..d0ad78998cb6 100644 --- a/trunk/arch/arm/mach-vexpress/v2m.c +++ b/trunk/arch/arm/mach-vexpress/v2m.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include @@ -25,7 +26,6 @@ #include #include #include -#include #include #include #include @@ -435,6 +435,7 @@ static void __init v2m_dt_timer_init(void) vexpress_clk_of_init(); + clocksource_of_init(); do { node = of_find_compatible_node(node, NULL, "arm,sp804"); } while (node && vexpress_get_site_by_node(node) != VEXPRESS_SITE_MB); @@ -445,8 +446,7 @@ static void __init v2m_dt_timer_init(void) irq_of_parse_and_map(node, 0)); } - if (arch_timer_of_register() != 0) - twd_local_timer_of_register(); + arch_timer_of_register(); if (arch_timer_sched_clock_init() != 0) versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), diff --git a/trunk/arch/arm64/mm/mmu.c b/trunk/arch/arm64/mm/mmu.c index 224b44ab534e..70b8cd4021c4 100644 --- a/trunk/arch/arm64/mm/mmu.c +++ b/trunk/arch/arm64/mm/mmu.c @@ -261,7 +261,7 @@ static void __init create_mapping(phys_addr_t phys, unsigned long virt, void __iomem * __init early_io_map(phys_addr_t phys, unsigned long virt) { unsigned long size, mask; - bool page64k = IS_ENABLED(ARM64_64K_PAGES); + bool page64k = IS_ENABLED(CONFIG_ARM64_64K_PAGES); pgd_t *pgd; pud_t *pud; pmd_t *pmd; diff --git a/trunk/arch/ia64/kernel/process.c b/trunk/arch/ia64/kernel/process.c index e34f565f595a..6f7dc8b7b35c 100644 --- a/trunk/arch/ia64/kernel/process.c +++ b/trunk/arch/ia64/kernel/process.c @@ -291,7 +291,6 @@ cpu_idle (void) } if (!need_resched()) { - void (*idle)(void); #ifdef CONFIG_SMP min_xtp(); #endif @@ -299,9 +298,7 @@ cpu_idle (void) if (mark_idle) (*mark_idle)(1); - if (!idle) - idle = default_idle; - (*idle)(); + default_idle(); if (mark_idle) (*mark_idle)(0); #ifdef CONFIG_SMP diff --git a/trunk/arch/powerpc/kernel/epapr_paravirt.c b/trunk/arch/powerpc/kernel/epapr_paravirt.c index f3eab8594d9f..d44a571e45a7 100644 --- a/trunk/arch/powerpc/kernel/epapr_paravirt.c +++ b/trunk/arch/powerpc/kernel/epapr_paravirt.c @@ -23,8 +23,10 @@ #include #include +#if !defined(CONFIG_64BIT) || defined(CONFIG_PPC_BOOK3E_64) extern void epapr_ev_idle(void); extern u32 epapr_ev_idle_start[]; +#endif bool epapr_paravirt_enabled; @@ -47,11 +49,15 @@ static int __init epapr_paravirt_init(void) for (i = 0; i < (len / 4); i++) { patch_instruction(epapr_hypercall_start + i, insts[i]); +#if !defined(CONFIG_64BIT) || defined(CONFIG_PPC_BOOK3E_64) patch_instruction(epapr_ev_idle_start + i, insts[i]); +#endif } +#if !defined(CONFIG_64BIT) || defined(CONFIG_PPC_BOOK3E_64) if (of_get_property(hyper_node, "has-idle", NULL)) ppc_md.power_save = epapr_ev_idle; +#endif epapr_paravirt_enabled = true; diff --git a/trunk/arch/powerpc/kernel/exceptions-64s.S b/trunk/arch/powerpc/kernel/exceptions-64s.S index 200afa5bcfb7..56bd92362ce1 100644 --- a/trunk/arch/powerpc/kernel/exceptions-64s.S +++ b/trunk/arch/powerpc/kernel/exceptions-64s.S @@ -1066,78 +1066,6 @@ unrecov_user_slb: #endif /* __DISABLED__ */ -/* - * r13 points to the PACA, r9 contains the saved CR, - * r12 contain the saved SRR1, SRR0 is still ready for return - * r3 has the faulting address - * r9 - r13 are saved in paca->exslb. - * r3 is saved in paca->slb_r3 - * We assume we aren't going to take any exceptions during this procedure. - */ -_GLOBAL(slb_miss_realmode) - mflr r10 -#ifdef CONFIG_RELOCATABLE - mtctr r11 -#endif - - stw r9,PACA_EXSLB+EX_CCR(r13) /* save CR in exc. frame */ - std r10,PACA_EXSLB+EX_LR(r13) /* save LR */ - - bl .slb_allocate_realmode - - /* All done -- return from exception. */ - - ld r10,PACA_EXSLB+EX_LR(r13) - ld r3,PACA_EXSLB+EX_R3(r13) - lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */ - - mtlr r10 - - andi. r10,r12,MSR_RI /* check for unrecoverable exception */ - beq- 2f - -.machine push -.machine "power4" - mtcrf 0x80,r9 - mtcrf 0x01,r9 /* slb_allocate uses cr0 and cr7 */ -.machine pop - - RESTORE_PPR_PACA(PACA_EXSLB, r9) - ld r9,PACA_EXSLB+EX_R9(r13) - ld r10,PACA_EXSLB+EX_R10(r13) - ld r11,PACA_EXSLB+EX_R11(r13) - ld r12,PACA_EXSLB+EX_R12(r13) - ld r13,PACA_EXSLB+EX_R13(r13) - rfid - b . /* prevent speculative execution */ - -2: mfspr r11,SPRN_SRR0 - ld r10,PACAKBASE(r13) - LOAD_HANDLER(r10,unrecov_slb) - mtspr SPRN_SRR0,r10 - ld r10,PACAKMSR(r13) - mtspr SPRN_SRR1,r10 - rfid - b . - -unrecov_slb: - EXCEPTION_PROLOG_COMMON(0x4100, PACA_EXSLB) - DISABLE_INTS - bl .save_nvgprs -1: addi r3,r1,STACK_FRAME_OVERHEAD - bl .unrecoverable_exception - b 1b - - -#ifdef CONFIG_PPC_970_NAP -power4_fixup_nap: - andc r9,r9,r10 - std r9,TI_LOCAL_FLAGS(r11) - ld r10,_LINK(r1) /* make idle task do the */ - std r10,_NIP(r1) /* equivalent of a blr */ - blr -#endif - .align 7 .globl alignment_common alignment_common: @@ -1335,6 +1263,78 @@ _GLOBAL(opal_mc_secondary_handler) #endif /* CONFIG_PPC_POWERNV */ +/* + * r13 points to the PACA, r9 contains the saved CR, + * r12 contain the saved SRR1, SRR0 is still ready for return + * r3 has the faulting address + * r9 - r13 are saved in paca->exslb. + * r3 is saved in paca->slb_r3 + * We assume we aren't going to take any exceptions during this procedure. + */ +_GLOBAL(slb_miss_realmode) + mflr r10 +#ifdef CONFIG_RELOCATABLE + mtctr r11 +#endif + + stw r9,PACA_EXSLB+EX_CCR(r13) /* save CR in exc. frame */ + std r10,PACA_EXSLB+EX_LR(r13) /* save LR */ + + bl .slb_allocate_realmode + + /* All done -- return from exception. */ + + ld r10,PACA_EXSLB+EX_LR(r13) + ld r3,PACA_EXSLB+EX_R3(r13) + lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */ + + mtlr r10 + + andi. r10,r12,MSR_RI /* check for unrecoverable exception */ + beq- 2f + +.machine push +.machine "power4" + mtcrf 0x80,r9 + mtcrf 0x01,r9 /* slb_allocate uses cr0 and cr7 */ +.machine pop + + RESTORE_PPR_PACA(PACA_EXSLB, r9) + ld r9,PACA_EXSLB+EX_R9(r13) + ld r10,PACA_EXSLB+EX_R10(r13) + ld r11,PACA_EXSLB+EX_R11(r13) + ld r12,PACA_EXSLB+EX_R12(r13) + ld r13,PACA_EXSLB+EX_R13(r13) + rfid + b . /* prevent speculative execution */ + +2: mfspr r11,SPRN_SRR0 + ld r10,PACAKBASE(r13) + LOAD_HANDLER(r10,unrecov_slb) + mtspr SPRN_SRR0,r10 + ld r10,PACAKMSR(r13) + mtspr SPRN_SRR1,r10 + rfid + b . + +unrecov_slb: + EXCEPTION_PROLOG_COMMON(0x4100, PACA_EXSLB) + DISABLE_INTS + bl .save_nvgprs +1: addi r3,r1,STACK_FRAME_OVERHEAD + bl .unrecoverable_exception + b 1b + + +#ifdef CONFIG_PPC_970_NAP +power4_fixup_nap: + andc r9,r9,r10 + std r9,TI_LOCAL_FLAGS(r11) + ld r10,_LINK(r1) /* make idle task do the */ + std r10,_NIP(r1) /* equivalent of a blr */ + blr +#endif + /* * Hash table stuff */ diff --git a/trunk/arch/x86/include/asm/xen/hypercall.h b/trunk/arch/x86/include/asm/xen/hypercall.h index c20d1ce62dc6..e709884d0ef9 100644 --- a/trunk/arch/x86/include/asm/xen/hypercall.h +++ b/trunk/arch/x86/include/asm/xen/hypercall.h @@ -382,14 +382,14 @@ HYPERVISOR_console_io(int cmd, int count, char *str) return _hypercall3(int, console_io, cmd, count, str); } -extern int __must_check HYPERVISOR_physdev_op_compat(int, void *); +extern int __must_check xen_physdev_op_compat(int, void *); static inline int HYPERVISOR_physdev_op(int cmd, void *arg) { int rc = _hypercall2(int, physdev_op, cmd, arg); if (unlikely(rc == -ENOSYS)) - rc = HYPERVISOR_physdev_op_compat(cmd, arg); + rc = xen_physdev_op_compat(cmd, arg); return rc; } diff --git a/trunk/arch/x86/include/uapi/asm/msr-index.h b/trunk/arch/x86/include/uapi/asm/msr-index.h index 892ce40a7470..7a060f4b411f 100644 --- a/trunk/arch/x86/include/uapi/asm/msr-index.h +++ b/trunk/arch/x86/include/uapi/asm/msr-index.h @@ -44,6 +44,7 @@ #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) +#define MSR_PLATFORM_INFO 0x000000ce #define MSR_MTRRcap 0x000000fe #define MSR_IA32_BBL_CR_CTL 0x00000119 #define MSR_IA32_BBL_CR_CTL3 0x0000011e diff --git a/trunk/arch/x86/kernel/microcode_intel_early.c b/trunk/arch/x86/kernel/microcode_intel_early.c index 7890bc838952..d893e8ed8ac9 100644 --- a/trunk/arch/x86/kernel/microcode_intel_early.c +++ b/trunk/arch/x86/kernel/microcode_intel_early.c @@ -90,13 +90,13 @@ microcode_phys(struct microcode_intel **mc_saved_tmp, struct microcode_intel ***mc_saved; mc_saved = (struct microcode_intel ***) - __pa_symbol(&mc_saved_data->mc_saved); + __pa_nodebug(&mc_saved_data->mc_saved); for (i = 0; i < mc_saved_data->mc_saved_count; i++) { struct microcode_intel *p; p = *(struct microcode_intel **) - __pa(mc_saved_data->mc_saved + i); - mc_saved_tmp[i] = (struct microcode_intel *)__pa(p); + __pa_nodebug(mc_saved_data->mc_saved + i); + mc_saved_tmp[i] = (struct microcode_intel *)__pa_nodebug(p); } } #endif @@ -562,7 +562,7 @@ scan_microcode(unsigned long start, unsigned long end, struct cpio_data cd; long offset = 0; #ifdef CONFIG_X86_32 - char *p = (char *)__pa_symbol(ucode_name); + char *p = (char *)__pa_nodebug(ucode_name); #else char *p = ucode_name; #endif @@ -630,8 +630,8 @@ static void __cpuinit print_ucode(struct ucode_cpu_info *uci) if (mc_intel == NULL) return; - delay_ucode_info_p = (int *)__pa_symbol(&delay_ucode_info); - current_mc_date_p = (int *)__pa_symbol(¤t_mc_date); + delay_ucode_info_p = (int *)__pa_nodebug(&delay_ucode_info); + current_mc_date_p = (int *)__pa_nodebug(¤t_mc_date); *delay_ucode_info_p = 1; *current_mc_date_p = mc_intel->hdr.date; @@ -659,8 +659,8 @@ static inline void __cpuinit print_ucode(struct ucode_cpu_info *uci) } #endif -static int apply_microcode_early(struct mc_saved_data *mc_saved_data, - struct ucode_cpu_info *uci) +static int __cpuinit apply_microcode_early(struct mc_saved_data *mc_saved_data, + struct ucode_cpu_info *uci) { struct microcode_intel *mc_intel; unsigned int val[2]; @@ -741,15 +741,15 @@ load_ucode_intel_bsp(void) #ifdef CONFIG_X86_32 struct boot_params *boot_params_p; - boot_params_p = (struct boot_params *)__pa_symbol(&boot_params); + boot_params_p = (struct boot_params *)__pa_nodebug(&boot_params); ramdisk_image = boot_params_p->hdr.ramdisk_image; ramdisk_size = boot_params_p->hdr.ramdisk_size; initrd_start_early = ramdisk_image; initrd_end_early = initrd_start_early + ramdisk_size; _load_ucode_intel_bsp( - (struct mc_saved_data *)__pa_symbol(&mc_saved_data), - (unsigned long *)__pa_symbol(&mc_saved_in_initrd), + (struct mc_saved_data *)__pa_nodebug(&mc_saved_data), + (unsigned long *)__pa_nodebug(&mc_saved_in_initrd), initrd_start_early, initrd_end_early, &uci); #else ramdisk_image = boot_params.hdr.ramdisk_image; @@ -772,10 +772,10 @@ void __cpuinit load_ucode_intel_ap(void) unsigned long *initrd_start_p; mc_saved_in_initrd_p = - (unsigned long *)__pa_symbol(mc_saved_in_initrd); - mc_saved_data_p = (struct mc_saved_data *)__pa_symbol(&mc_saved_data); - initrd_start_p = (unsigned long *)__pa_symbol(&initrd_start); - initrd_start_addr = (unsigned long)__pa_symbol(*initrd_start_p); + (unsigned long *)__pa_nodebug(mc_saved_in_initrd); + mc_saved_data_p = (struct mc_saved_data *)__pa_nodebug(&mc_saved_data); + initrd_start_p = (unsigned long *)__pa_nodebug(&initrd_start); + initrd_start_addr = (unsigned long)__pa_nodebug(*initrd_start_p); #else mc_saved_data_p = &mc_saved_data; mc_saved_in_initrd_p = mc_saved_in_initrd; diff --git a/trunk/arch/x86/lib/usercopy_64.c b/trunk/arch/x86/lib/usercopy_64.c index 05928aae911e..906fea315791 100644 --- a/trunk/arch/x86/lib/usercopy_64.c +++ b/trunk/arch/x86/lib/usercopy_64.c @@ -74,10 +74,10 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest) char c; unsigned zero_len; - for (; len; --len) { + for (; len; --len, to++) { if (__get_user_nocheck(c, from++, sizeof(char))) break; - if (__put_user_nocheck(c, to++, sizeof(char))) + if (__put_user_nocheck(c, to, sizeof(char))) break; } diff --git a/trunk/arch/x86/xen/mmu.c b/trunk/arch/x86/xen/mmu.c index e8e34938c57d..6afbb2ca9a0a 100644 --- a/trunk/arch/x86/xen/mmu.c +++ b/trunk/arch/x86/xen/mmu.c @@ -1467,8 +1467,6 @@ static void __init xen_write_cr3_init(unsigned long cr3) __xen_write_cr3(true, cr3); xen_mc_issue(PARAVIRT_LAZY_CPU); /* interrupts restored */ - - pv_mmu_ops.write_cr3 = &xen_write_cr3; } #endif @@ -2122,6 +2120,7 @@ static void __init xen_post_allocator_init(void) #endif #ifdef CONFIG_X86_64 + pv_mmu_ops.write_cr3 = &xen_write_cr3; SetPagePinned(virt_to_page(level3_user_vsyscall)); #endif xen_mark_init_mm_pinned(); diff --git a/trunk/block/blk-flush.c b/trunk/block/blk-flush.c index db8f1b507857..cc2b827a853c 100644 --- a/trunk/block/blk-flush.c +++ b/trunk/block/blk-flush.c @@ -444,7 +444,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, * copied from blk_rq_pos(rq). */ if (error_sector) - *error_sector = bio->bi_sector; + *error_sector = bio->bi_sector; if (!bio_flagged(bio, BIO_UPTODATE)) ret = -EIO; diff --git a/trunk/block/partition-generic.c b/trunk/block/partition-generic.c index 789cdea05893..ae95ee6a58aa 100644 --- a/trunk/block/partition-generic.c +++ b/trunk/block/partition-generic.c @@ -257,6 +257,7 @@ void delete_partition(struct gendisk *disk, int partno) hd_struct_put(part); } +EXPORT_SYMBOL(delete_partition); static ssize_t whole_disk_show(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/trunk/drivers/acpi/apei/cper.c b/trunk/drivers/acpi/apei/cper.c index 1e5d8a40101e..fefc2ca7cc3e 100644 --- a/trunk/drivers/acpi/apei/cper.c +++ b/trunk/drivers/acpi/apei/cper.c @@ -405,7 +405,7 @@ int apei_estatus_check(const struct acpi_hest_generic_status *estatus) return rc; data_len = estatus->data_length; gdata = (struct acpi_hest_generic_data *)(estatus + 1); - while (data_len > sizeof(*gdata)) { + while (data_len >= sizeof(*gdata)) { gedata_len = gdata->error_data_length; if (gedata_len > data_len - sizeof(*gdata)) return -EINVAL; diff --git a/trunk/drivers/acpi/pci_root.c b/trunk/drivers/acpi/pci_root.c index 0ac546d5e53f..5ff173066127 100644 --- a/trunk/drivers/acpi/pci_root.c +++ b/trunk/drivers/acpi/pci_root.c @@ -646,6 +646,7 @@ static void handle_root_bridge_insertion(acpi_handle handle) static void handle_root_bridge_removal(struct acpi_device *device) { + acpi_status status; struct acpi_eject_event *ej_event; ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL); @@ -661,7 +662,9 @@ static void handle_root_bridge_removal(struct acpi_device *device) ej_event->device = device; ej_event->event = ACPI_NOTIFY_EJECT_REQUEST; - acpi_bus_hot_remove_device(ej_event); + status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device, ej_event); + if (ACPI_FAILURE(status)) + kfree(ej_event); } static void _handle_hotplug_event_root(struct work_struct *work) @@ -676,8 +679,9 @@ static void _handle_hotplug_event_root(struct work_struct *work) handle = hp_work->handle; type = hp_work->type; - root = acpi_pci_find_root(handle); + acpi_scan_lock_acquire(); + root = acpi_pci_find_root(handle); acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); switch (type) { @@ -711,6 +715,7 @@ static void _handle_hotplug_event_root(struct work_struct *work) break; } + acpi_scan_lock_release(); kfree(hp_work); /* allocated in handle_hotplug_event_bridge */ kfree(buffer.pointer); } diff --git a/trunk/drivers/acpi/sleep.c b/trunk/drivers/acpi/sleep.c index 24213033fbae..9c1a435d10e6 100644 --- a/trunk/drivers/acpi/sleep.c +++ b/trunk/drivers/acpi/sleep.c @@ -193,6 +193,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { }, { .callback = init_nvs_nosave, + .ident = "Sony Vaio VGN-FW21M", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW21M"), + }, + }, + { + .callback = init_nvs_nosave, .ident = "Sony Vaio VPCEB17FX", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), diff --git a/trunk/drivers/block/Kconfig b/trunk/drivers/block/Kconfig index 5dc0daed8fac..b81ddfea1da0 100644 --- a/trunk/drivers/block/Kconfig +++ b/trunk/drivers/block/Kconfig @@ -532,11 +532,11 @@ config BLK_DEV_RBD If unsure, say N. config BLK_DEV_RSXX - tristate "RamSam PCIe Flash SSD Device Driver" + tristate "IBM FlashSystem 70/80 PCIe SSD Device Driver" depends on PCI help Device driver for IBM's high speed PCIe SSD - storage devices: RamSan-70 and RamSan-80. + storage devices: FlashSystem-70 and FlashSystem-80. To compile this driver as a module, choose M here: the module will be called rsxx. diff --git a/trunk/drivers/block/cciss.c b/trunk/drivers/block/cciss.c index ade58bc8f3c4..1c1b8e544aa2 100644 --- a/trunk/drivers/block/cciss.c +++ b/trunk/drivers/block/cciss.c @@ -4206,7 +4206,7 @@ static int cciss_find_cfgtables(ctlr_info_t *h) if (rc) return rc; h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev, - cfg_base_addr_index) + cfg_offset, sizeof(h->cfgtable)); + cfg_base_addr_index) + cfg_offset, sizeof(*h->cfgtable)); if (!h->cfgtable) return -ENOMEM; rc = write_driver_ver_to_cfgtable(h->cfgtable); diff --git a/trunk/drivers/block/loop.c b/trunk/drivers/block/loop.c index 747bb2af69dc..fe5f6403417f 100644 --- a/trunk/drivers/block/loop.c +++ b/trunk/drivers/block/loop.c @@ -1044,12 +1044,29 @@ static int loop_clr_fd(struct loop_device *lo) lo->lo_state = Lo_unbound; /* This is safe: open() is still holding a reference. */ module_put(THIS_MODULE); - if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev) - ioctl_by_bdev(bdev, BLKRRPART, 0); lo->lo_flags = 0; if (!part_shift) lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN; mutex_unlock(&lo->lo_ctl_mutex); + + /* + * Remove all partitions, since BLKRRPART won't remove user + * added partitions when max_part=0 + */ + if (bdev) { + struct disk_part_iter piter; + struct hd_struct *part; + + mutex_lock_nested(&bdev->bd_mutex, 1); + invalidate_partition(bdev->bd_disk, 0); + disk_part_iter_init(&piter, bdev->bd_disk, + DISK_PITER_INCL_EMPTY); + while ((part = disk_part_iter_next(&piter))) + delete_partition(bdev->bd_disk, part->partno); + disk_part_iter_exit(&piter); + mutex_unlock(&bdev->bd_mutex); + } + /* * Need not hold lo_ctl_mutex to fput backing file. * Calling fput holding lo_ctl_mutex triggers a circular @@ -1623,6 +1640,7 @@ static int loop_add(struct loop_device **l, int i) goto out_free_dev; i = err; + err = -ENOMEM; lo->lo_queue = blk_alloc_queue(GFP_KERNEL); if (!lo->lo_queue) goto out_free_dev; diff --git a/trunk/drivers/block/mg_disk.c b/trunk/drivers/block/mg_disk.c index 1788f491e0fb..076ae7f1b781 100644 --- a/trunk/drivers/block/mg_disk.c +++ b/trunk/drivers/block/mg_disk.c @@ -890,8 +890,10 @@ static int mg_probe(struct platform_device *plat_dev) gpio_direction_output(host->rst, 1); /* reset out pin */ - if (!(prv_data->dev_attr & MG_DEV_MASK)) + if (!(prv_data->dev_attr & MG_DEV_MASK)) { + err = -EINVAL; goto probe_err_3a; + } if (prv_data->dev_attr != MG_BOOT_DEV) { rsc = platform_get_resource_byname(plat_dev, IORESOURCE_IO, diff --git a/trunk/drivers/block/mtip32xx/mtip32xx.c b/trunk/drivers/block/mtip32xx/mtip32xx.c index 11cc9522cdd4..92250af84e7d 100644 --- a/trunk/drivers/block/mtip32xx/mtip32xx.c +++ b/trunk/drivers/block/mtip32xx/mtip32xx.c @@ -4224,6 +4224,7 @@ static int mtip_pci_probe(struct pci_dev *pdev, dd->isr_workq = create_workqueue(dd->workq_name); if (!dd->isr_workq) { dev_warn(&pdev->dev, "Can't create wq %d\n", dd->instance); + rv = -ENOMEM; goto block_initialize_err; } @@ -4282,7 +4283,8 @@ static int mtip_pci_probe(struct pci_dev *pdev, INIT_WORK(&dd->work[7].work, mtip_workq_sdbf7); pci_set_master(pdev); - if (pci_enable_msi(pdev)) { + rv = pci_enable_msi(pdev); + if (rv) { dev_warn(&pdev->dev, "Unable to enable MSI interrupt.\n"); goto block_initialize_err; diff --git a/trunk/drivers/block/rbd.c b/trunk/drivers/block/rbd.c index 6c81a4c040b9..f556f8a8b3f9 100644 --- a/trunk/drivers/block/rbd.c +++ b/trunk/drivers/block/rbd.c @@ -1264,6 +1264,32 @@ static bool obj_request_done_test(struct rbd_obj_request *obj_request) return atomic_read(&obj_request->done) != 0; } +static void +rbd_img_obj_request_read_callback(struct rbd_obj_request *obj_request) +{ + dout("%s: obj %p img %p result %d %llu/%llu\n", __func__, + obj_request, obj_request->img_request, obj_request->result, + obj_request->xferred, obj_request->length); + /* + * ENOENT means a hole in the image. We zero-fill the + * entire length of the request. A short read also implies + * zero-fill to the end of the request. Either way we + * update the xferred count to indicate the whole request + * was satisfied. + */ + BUG_ON(obj_request->type != OBJ_REQUEST_BIO); + if (obj_request->result == -ENOENT) { + zero_bio_chain(obj_request->bio_list, 0); + obj_request->result = 0; + obj_request->xferred = obj_request->length; + } else if (obj_request->xferred < obj_request->length && + !obj_request->result) { + zero_bio_chain(obj_request->bio_list, obj_request->xferred); + obj_request->xferred = obj_request->length; + } + obj_request_done_set(obj_request); +} + static void rbd_obj_request_complete(struct rbd_obj_request *obj_request) { dout("%s: obj %p cb %p\n", __func__, obj_request, @@ -1284,23 +1310,10 @@ static void rbd_osd_read_callback(struct rbd_obj_request *obj_request) { dout("%s: obj %p result %d %llu/%llu\n", __func__, obj_request, obj_request->result, obj_request->xferred, obj_request->length); - /* - * ENOENT means a hole in the object. We zero-fill the - * entire length of the request. A short read also implies - * zero-fill to the end of the request. Either way we - * update the xferred count to indicate the whole request - * was satisfied. - */ - if (obj_request->result == -ENOENT) { - zero_bio_chain(obj_request->bio_list, 0); - obj_request->result = 0; - obj_request->xferred = obj_request->length; - } else if (obj_request->xferred < obj_request->length && - !obj_request->result) { - zero_bio_chain(obj_request->bio_list, obj_request->xferred); - obj_request->xferred = obj_request->length; - } - obj_request_done_set(obj_request); + if (obj_request->img_request) + rbd_img_obj_request_read_callback(obj_request); + else + obj_request_done_set(obj_request); } static void rbd_osd_write_callback(struct rbd_obj_request *obj_request) diff --git a/trunk/drivers/block/rsxx/Makefile b/trunk/drivers/block/rsxx/Makefile index f35cd0b71f7b..b1c53c0aa450 100644 --- a/trunk/drivers/block/rsxx/Makefile +++ b/trunk/drivers/block/rsxx/Makefile @@ -1,2 +1,2 @@ obj-$(CONFIG_BLK_DEV_RSXX) += rsxx.o -rsxx-y := config.o core.o cregs.o dev.o dma.o +rsxx-objs := config.o core.o cregs.o dev.o dma.o diff --git a/trunk/drivers/block/rsxx/config.c b/trunk/drivers/block/rsxx/config.c index a295e7e9ee41..10cd530d3e10 100644 --- a/trunk/drivers/block/rsxx/config.c +++ b/trunk/drivers/block/rsxx/config.c @@ -29,15 +29,13 @@ #include "rsxx_priv.h" #include "rsxx_cfg.h" -static void initialize_config(void *config) +static void initialize_config(struct rsxx_card_cfg *cfg) { - struct rsxx_card_cfg *cfg = config; - cfg->hdr.version = RSXX_CFG_VERSION; cfg->data.block_size = RSXX_HW_BLK_SIZE; cfg->data.stripe_size = RSXX_HW_BLK_SIZE; - cfg->data.vendor_id = RSXX_VENDOR_ID_TMS_IBM; + cfg->data.vendor_id = RSXX_VENDOR_ID_IBM; cfg->data.cache_order = (-1); cfg->data.intr_coal.mode = RSXX_INTR_COAL_DISABLED; cfg->data.intr_coal.count = 0; @@ -181,7 +179,7 @@ int rsxx_load_config(struct rsxx_cardinfo *card) } else { dev_info(CARD_TO_DEV(card), "Initializing card configuration.\n"); - initialize_config(card); + initialize_config(&card->config); st = rsxx_save_config(card); if (st) return st; diff --git a/trunk/drivers/block/rsxx/core.c b/trunk/drivers/block/rsxx/core.c index e5162487686a..5af21f2db29c 100644 --- a/trunk/drivers/block/rsxx/core.c +++ b/trunk/drivers/block/rsxx/core.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include @@ -39,8 +40,8 @@ #define NO_LEGACY 0 -MODULE_DESCRIPTION("IBM RamSan PCIe Flash SSD Device Driver"); -MODULE_AUTHOR("IBM "); +MODULE_DESCRIPTION("IBM FlashSystem 70/80 PCIe SSD Device Driver"); +MODULE_AUTHOR("Joshua Morris/Philip Kelleher, IBM"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRIVER_VERSION); @@ -52,6 +53,13 @@ static DEFINE_IDA(rsxx_disk_ida); static DEFINE_SPINLOCK(rsxx_ida_lock); /*----------------- Interrupt Control & Handling -------------------*/ + +static void rsxx_mask_interrupts(struct rsxx_cardinfo *card) +{ + card->isr_mask = 0; + card->ier_mask = 0; +} + static void __enable_intr(unsigned int *mask, unsigned int intr) { *mask |= intr; @@ -71,7 +79,8 @@ static void __disable_intr(unsigned int *mask, unsigned int intr) */ void rsxx_enable_ier(struct rsxx_cardinfo *card, unsigned int intr) { - if (unlikely(card->halt)) + if (unlikely(card->halt) || + unlikely(card->eeh_state)) return; __enable_intr(&card->ier_mask, intr); @@ -80,6 +89,9 @@ void rsxx_enable_ier(struct rsxx_cardinfo *card, unsigned int intr) void rsxx_disable_ier(struct rsxx_cardinfo *card, unsigned int intr) { + if (unlikely(card->eeh_state)) + return; + __disable_intr(&card->ier_mask, intr); iowrite32(card->ier_mask, card->regmap + IER); } @@ -87,7 +99,8 @@ void rsxx_disable_ier(struct rsxx_cardinfo *card, unsigned int intr) void rsxx_enable_ier_and_isr(struct rsxx_cardinfo *card, unsigned int intr) { - if (unlikely(card->halt)) + if (unlikely(card->halt) || + unlikely(card->eeh_state)) return; __enable_intr(&card->isr_mask, intr); @@ -97,6 +110,9 @@ void rsxx_enable_ier_and_isr(struct rsxx_cardinfo *card, void rsxx_disable_ier_and_isr(struct rsxx_cardinfo *card, unsigned int intr) { + if (unlikely(card->eeh_state)) + return; + __disable_intr(&card->isr_mask, intr); __disable_intr(&card->ier_mask, intr); iowrite32(card->ier_mask, card->regmap + IER); @@ -115,6 +131,9 @@ static irqreturn_t rsxx_isr(int irq, void *pdata) do { reread_isr = 0; + if (unlikely(card->eeh_state)) + break; + isr = ioread32(card->regmap + ISR); if (isr == 0xffffffff) { /* @@ -161,9 +180,9 @@ static irqreturn_t rsxx_isr(int irq, void *pdata) } /*----------------- Card Event Handler -------------------*/ -static char *rsxx_card_state_to_str(unsigned int state) +static const char * const rsxx_card_state_to_str(unsigned int state) { - static char *state_strings[] = { + static const char * const state_strings[] = { "Unknown", "Shutdown", "Starting", "Formatting", "Uninitialized", "Good", "Shutting Down", "Fault", "Read Only Fault", "dStroying" @@ -304,6 +323,192 @@ static int card_shutdown(struct rsxx_cardinfo *card) return 0; } +static int rsxx_eeh_frozen(struct pci_dev *dev) +{ + struct rsxx_cardinfo *card = pci_get_drvdata(dev); + int i; + int st; + + dev_warn(&dev->dev, "IBM FlashSystem PCI: preparing for slot reset.\n"); + + card->eeh_state = 1; + rsxx_mask_interrupts(card); + + /* + * We need to guarantee that the write for eeh_state and masking + * interrupts does not become reordered. This will prevent a possible + * race condition with the EEH code. + */ + wmb(); + + pci_disable_device(dev); + + st = rsxx_eeh_save_issued_dmas(card); + if (st) + return st; + + rsxx_eeh_save_issued_creg(card); + + for (i = 0; i < card->n_targets; i++) { + if (card->ctrl[i].status.buf) + pci_free_consistent(card->dev, STATUS_BUFFER_SIZE8, + card->ctrl[i].status.buf, + card->ctrl[i].status.dma_addr); + if (card->ctrl[i].cmd.buf) + pci_free_consistent(card->dev, COMMAND_BUFFER_SIZE8, + card->ctrl[i].cmd.buf, + card->ctrl[i].cmd.dma_addr); + } + + return 0; +} + +static void rsxx_eeh_failure(struct pci_dev *dev) +{ + struct rsxx_cardinfo *card = pci_get_drvdata(dev); + int i; + + dev_err(&dev->dev, "IBM FlashSystem PCI: disabling failed card.\n"); + + card->eeh_state = 1; + + for (i = 0; i < card->n_targets; i++) + del_timer_sync(&card->ctrl[i].activity_timer); + + rsxx_eeh_cancel_dmas(card); +} + +static int rsxx_eeh_fifo_flush_poll(struct rsxx_cardinfo *card) +{ + unsigned int status; + int iter = 0; + + /* We need to wait for the hardware to reset */ + while (iter++ < 10) { + status = ioread32(card->regmap + PCI_RECONFIG); + + if (status & RSXX_FLUSH_BUSY) { + ssleep(1); + continue; + } + + if (status & RSXX_FLUSH_TIMEOUT) + dev_warn(CARD_TO_DEV(card), "HW: flash controller timeout\n"); + return 0; + } + + /* Hardware failed resetting itself. */ + return -1; +} + +static pci_ers_result_t rsxx_error_detected(struct pci_dev *dev, + enum pci_channel_state error) +{ + int st; + + if (dev->revision < RSXX_EEH_SUPPORT) + return PCI_ERS_RESULT_NONE; + + if (error == pci_channel_io_perm_failure) { + rsxx_eeh_failure(dev); + return PCI_ERS_RESULT_DISCONNECT; + } + + st = rsxx_eeh_frozen(dev); + if (st) { + dev_err(&dev->dev, "Slot reset setup failed\n"); + rsxx_eeh_failure(dev); + return PCI_ERS_RESULT_DISCONNECT; + } + + return PCI_ERS_RESULT_NEED_RESET; +} + +static pci_ers_result_t rsxx_slot_reset(struct pci_dev *dev) +{ + struct rsxx_cardinfo *card = pci_get_drvdata(dev); + unsigned long flags; + int i; + int st; + + dev_warn(&dev->dev, + "IBM FlashSystem PCI: recovering from slot reset.\n"); + + st = pci_enable_device(dev); + if (st) + goto failed_hw_setup; + + pci_set_master(dev); + + st = rsxx_eeh_fifo_flush_poll(card); + if (st) + goto failed_hw_setup; + + rsxx_dma_queue_reset(card); + + for (i = 0; i < card->n_targets; i++) { + st = rsxx_hw_buffers_init(dev, &card->ctrl[i]); + if (st) + goto failed_hw_buffers_init; + } + + if (card->config_valid) + rsxx_dma_configure(card); + + /* Clears the ISR register from spurious interrupts */ + st = ioread32(card->regmap + ISR); + + card->eeh_state = 0; + + st = rsxx_eeh_remap_dmas(card); + if (st) + goto failed_remap_dmas; + + spin_lock_irqsave(&card->irq_lock, flags); + if (card->n_targets & RSXX_MAX_TARGETS) + rsxx_enable_ier_and_isr(card, CR_INTR_ALL_G); + else + rsxx_enable_ier_and_isr(card, CR_INTR_ALL_C); + spin_unlock_irqrestore(&card->irq_lock, flags); + + rsxx_kick_creg_queue(card); + + for (i = 0; i < card->n_targets; i++) { + spin_lock(&card->ctrl[i].queue_lock); + if (list_empty(&card->ctrl[i].queue)) { + spin_unlock(&card->ctrl[i].queue_lock); + continue; + } + spin_unlock(&card->ctrl[i].queue_lock); + + queue_work(card->ctrl[i].issue_wq, + &card->ctrl[i].issue_dma_work); + } + + dev_info(&dev->dev, "IBM FlashSystem PCI: recovery complete.\n"); + + return PCI_ERS_RESULT_RECOVERED; + +failed_hw_buffers_init: +failed_remap_dmas: + for (i = 0; i < card->n_targets; i++) { + if (card->ctrl[i].status.buf) + pci_free_consistent(card->dev, + STATUS_BUFFER_SIZE8, + card->ctrl[i].status.buf, + card->ctrl[i].status.dma_addr); + if (card->ctrl[i].cmd.buf) + pci_free_consistent(card->dev, + COMMAND_BUFFER_SIZE8, + card->ctrl[i].cmd.buf, + card->ctrl[i].cmd.dma_addr); + } +failed_hw_setup: + rsxx_eeh_failure(dev); + return PCI_ERS_RESULT_DISCONNECT; + +} + /*----------------- Driver Initialization & Setup -------------------*/ /* Returns: 0 if the driver is compatible with the device -1 if the driver is NOT compatible with the device */ @@ -383,6 +588,7 @@ static int rsxx_pci_probe(struct pci_dev *dev, spin_lock_init(&card->irq_lock); card->halt = 0; + card->eeh_state = 0; spin_lock_irq(&card->irq_lock); rsxx_disable_ier_and_isr(card, CR_INTR_ALL); @@ -538,9 +744,6 @@ static void rsxx_pci_remove(struct pci_dev *dev) rsxx_disable_ier_and_isr(card, CR_INTR_EVENT); spin_unlock_irqrestore(&card->irq_lock, flags); - /* Prevent work_structs from re-queuing themselves. */ - card->halt = 1; - cancel_work_sync(&card->event_work); rsxx_destroy_dev(card); @@ -549,6 +752,10 @@ static void rsxx_pci_remove(struct pci_dev *dev) spin_lock_irqsave(&card->irq_lock, flags); rsxx_disable_ier_and_isr(card, CR_INTR_ALL); spin_unlock_irqrestore(&card->irq_lock, flags); + + /* Prevent work_structs from re-queuing themselves. */ + card->halt = 1; + free_irq(dev->irq, card); if (!force_legacy) @@ -592,11 +799,14 @@ static void rsxx_pci_shutdown(struct pci_dev *dev) card_shutdown(card); } +static const struct pci_error_handlers rsxx_err_handler = { + .error_detected = rsxx_error_detected, + .slot_reset = rsxx_slot_reset, +}; + static DEFINE_PCI_DEVICE_TABLE(rsxx_pci_ids) = { - {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS70_FLASH)}, - {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS70D_FLASH)}, - {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS80_FLASH)}, - {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS81_FLASH)}, + {PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_FS70_FLASH)}, + {PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_FS80_FLASH)}, {0,}, }; @@ -609,6 +819,7 @@ static struct pci_driver rsxx_pci_driver = { .remove = rsxx_pci_remove, .suspend = rsxx_pci_suspend, .shutdown = rsxx_pci_shutdown, + .err_handler = &rsxx_err_handler, }; static int __init rsxx_core_init(void) diff --git a/trunk/drivers/block/rsxx/cregs.c b/trunk/drivers/block/rsxx/cregs.c index 80bbe639fccd..4b5c020a0a65 100644 --- a/trunk/drivers/block/rsxx/cregs.c +++ b/trunk/drivers/block/rsxx/cregs.c @@ -58,7 +58,7 @@ static struct kmem_cache *creg_cmd_pool; #error Unknown endianess!!! Aborting... #endif -static void copy_to_creg_data(struct rsxx_cardinfo *card, +static int copy_to_creg_data(struct rsxx_cardinfo *card, int cnt8, void *buf, unsigned int stream) @@ -66,6 +66,9 @@ static void copy_to_creg_data(struct rsxx_cardinfo *card, int i = 0; u32 *data = buf; + if (unlikely(card->eeh_state)) + return -EIO; + for (i = 0; cnt8 > 0; i++, cnt8 -= 4) { /* * Firmware implementation makes it necessary to byte swap on @@ -76,10 +79,12 @@ static void copy_to_creg_data(struct rsxx_cardinfo *card, else iowrite32(data[i], card->regmap + CREG_DATA(i)); } + + return 0; } -static void copy_from_creg_data(struct rsxx_cardinfo *card, +static int copy_from_creg_data(struct rsxx_cardinfo *card, int cnt8, void *buf, unsigned int stream) @@ -87,6 +92,9 @@ static void copy_from_creg_data(struct rsxx_cardinfo *card, int i = 0; u32 *data = buf; + if (unlikely(card->eeh_state)) + return -EIO; + for (i = 0; cnt8 > 0; i++, cnt8 -= 4) { /* * Firmware implementation makes it necessary to byte swap on @@ -97,41 +105,31 @@ static void copy_from_creg_data(struct rsxx_cardinfo *card, else data[i] = ioread32(card->regmap + CREG_DATA(i)); } -} - -static struct creg_cmd *pop_active_cmd(struct rsxx_cardinfo *card) -{ - struct creg_cmd *cmd; - /* - * Spin lock is needed because this can be called in atomic/interrupt - * context. - */ - spin_lock_bh(&card->creg_ctrl.lock); - cmd = card->creg_ctrl.active_cmd; - card->creg_ctrl.active_cmd = NULL; - spin_unlock_bh(&card->creg_ctrl.lock); - - return cmd; + return 0; } static void creg_issue_cmd(struct rsxx_cardinfo *card, struct creg_cmd *cmd) { + int st; + + if (unlikely(card->eeh_state)) + return; + iowrite32(cmd->addr, card->regmap + CREG_ADD); iowrite32(cmd->cnt8, card->regmap + CREG_CNT); if (cmd->op == CREG_OP_WRITE) { - if (cmd->buf) - copy_to_creg_data(card, cmd->cnt8, - cmd->buf, cmd->stream); + if (cmd->buf) { + st = copy_to_creg_data(card, cmd->cnt8, + cmd->buf, cmd->stream); + if (st) + return; + } } - /* - * Data copy must complete before initiating the command. This is - * needed for weakly ordered processors (i.e. PowerPC), so that all - * neccessary registers are written before we kick the hardware. - */ - wmb(); + if (unlikely(card->eeh_state)) + return; /* Setting the valid bit will kick off the command. */ iowrite32(cmd->op, card->regmap + CREG_CMD); @@ -196,11 +194,11 @@ static int creg_queue_cmd(struct rsxx_cardinfo *card, cmd->cb_private = cb_private; cmd->status = 0; - spin_lock(&card->creg_ctrl.lock); + spin_lock_bh(&card->creg_ctrl.lock); list_add_tail(&cmd->list, &card->creg_ctrl.queue); card->creg_ctrl.q_depth++; creg_kick_queue(card); - spin_unlock(&card->creg_ctrl.lock); + spin_unlock_bh(&card->creg_ctrl.lock); return 0; } @@ -210,7 +208,11 @@ static void creg_cmd_timed_out(unsigned long data) struct rsxx_cardinfo *card = (struct rsxx_cardinfo *) data; struct creg_cmd *cmd; - cmd = pop_active_cmd(card); + spin_lock(&card->creg_ctrl.lock); + cmd = card->creg_ctrl.active_cmd; + card->creg_ctrl.active_cmd = NULL; + spin_unlock(&card->creg_ctrl.lock); + if (cmd == NULL) { card->creg_ctrl.creg_stats.creg_timeout++; dev_warn(CARD_TO_DEV(card), @@ -247,7 +249,11 @@ static void creg_cmd_done(struct work_struct *work) if (del_timer_sync(&card->creg_ctrl.cmd_timer) == 0) card->creg_ctrl.creg_stats.failed_cancel_timer++; - cmd = pop_active_cmd(card); + spin_lock_bh(&card->creg_ctrl.lock); + cmd = card->creg_ctrl.active_cmd; + card->creg_ctrl.active_cmd = NULL; + spin_unlock_bh(&card->creg_ctrl.lock); + if (cmd == NULL) { dev_err(CARD_TO_DEV(card), "Spurious creg interrupt!\n"); @@ -287,7 +293,7 @@ static void creg_cmd_done(struct work_struct *work) goto creg_done; } - copy_from_creg_data(card, cnt8, cmd->buf, cmd->stream); + st = copy_from_creg_data(card, cnt8, cmd->buf, cmd->stream); } creg_done: @@ -296,10 +302,10 @@ static void creg_cmd_done(struct work_struct *work) kmem_cache_free(creg_cmd_pool, cmd); - spin_lock(&card->creg_ctrl.lock); + spin_lock_bh(&card->creg_ctrl.lock); card->creg_ctrl.active = 0; creg_kick_queue(card); - spin_unlock(&card->creg_ctrl.lock); + spin_unlock_bh(&card->creg_ctrl.lock); } static void creg_reset(struct rsxx_cardinfo *card) @@ -324,7 +330,7 @@ static void creg_reset(struct rsxx_cardinfo *card) "Resetting creg interface for recovery\n"); /* Cancel outstanding commands */ - spin_lock(&card->creg_ctrl.lock); + spin_lock_bh(&card->creg_ctrl.lock); list_for_each_entry_safe(cmd, tmp, &card->creg_ctrl.queue, list) { list_del(&cmd->list); card->creg_ctrl.q_depth--; @@ -345,7 +351,7 @@ static void creg_reset(struct rsxx_cardinfo *card) card->creg_ctrl.active = 0; } - spin_unlock(&card->creg_ctrl.lock); + spin_unlock_bh(&card->creg_ctrl.lock); card->creg_ctrl.reset = 0; spin_lock_irqsave(&card->irq_lock, flags); @@ -399,12 +405,12 @@ static int __issue_creg_rw(struct rsxx_cardinfo *card, return st; /* - * This timeout is neccessary for unresponsive hardware. The additional + * This timeout is necessary for unresponsive hardware. The additional * 20 seconds to used to guarantee that each cregs requests has time to * complete. */ - timeout = msecs_to_jiffies((CREG_TIMEOUT_MSEC * - card->creg_ctrl.q_depth) + 20000); + timeout = msecs_to_jiffies(CREG_TIMEOUT_MSEC * + card->creg_ctrl.q_depth + 20000); /* * The creg interface is guaranteed to complete. It has a timeout @@ -690,6 +696,32 @@ int rsxx_reg_access(struct rsxx_cardinfo *card, return 0; } +void rsxx_eeh_save_issued_creg(struct rsxx_cardinfo *card) +{ + struct creg_cmd *cmd = NULL; + + cmd = card->creg_ctrl.active_cmd; + card->creg_ctrl.active_cmd = NULL; + + if (cmd) { + del_timer_sync(&card->creg_ctrl.cmd_timer); + + spin_lock_bh(&card->creg_ctrl.lock); + list_add(&cmd->list, &card->creg_ctrl.queue); + card->creg_ctrl.q_depth++; + card->creg_ctrl.active = 0; + spin_unlock_bh(&card->creg_ctrl.lock); + } +} + +void rsxx_kick_creg_queue(struct rsxx_cardinfo *card) +{ + spin_lock_bh(&card->creg_ctrl.lock); + if (!list_empty(&card->creg_ctrl.queue)) + creg_kick_queue(card); + spin_unlock_bh(&card->creg_ctrl.lock); +} + /*------------ Initialization & Setup --------------*/ int rsxx_creg_setup(struct rsxx_cardinfo *card) { @@ -712,7 +744,7 @@ void rsxx_creg_destroy(struct rsxx_cardinfo *card) int cnt = 0; /* Cancel outstanding commands */ - spin_lock(&card->creg_ctrl.lock); + spin_lock_bh(&card->creg_ctrl.lock); list_for_each_entry_safe(cmd, tmp, &card->creg_ctrl.queue, list) { list_del(&cmd->list); if (cmd->cb) @@ -737,7 +769,7 @@ void rsxx_creg_destroy(struct rsxx_cardinfo *card) "Canceled active creg command\n"); kmem_cache_free(creg_cmd_pool, cmd); } - spin_unlock(&card->creg_ctrl.lock); + spin_unlock_bh(&card->creg_ctrl.lock); cancel_work_sync(&card->creg_ctrl.done_work); } diff --git a/trunk/drivers/block/rsxx/dma.c b/trunk/drivers/block/rsxx/dma.c index 63176e67662f..0607513cfb41 100644 --- a/trunk/drivers/block/rsxx/dma.c +++ b/trunk/drivers/block/rsxx/dma.c @@ -28,7 +28,7 @@ struct rsxx_dma { struct list_head list; u8 cmd; - unsigned int laddr; /* Logical address on the ramsan */ + unsigned int laddr; /* Logical address */ struct { u32 off; u32 cnt; @@ -81,9 +81,6 @@ enum rsxx_hw_status { HW_STATUS_FAULT = 0x08, }; -#define STATUS_BUFFER_SIZE8 4096 -#define COMMAND_BUFFER_SIZE8 4096 - static struct kmem_cache *rsxx_dma_pool; struct dma_tracker { @@ -122,7 +119,7 @@ static unsigned int rsxx_get_dma_tgt(struct rsxx_cardinfo *card, u64 addr8) return tgt; } -static void rsxx_dma_queue_reset(struct rsxx_cardinfo *card) +void rsxx_dma_queue_reset(struct rsxx_cardinfo *card) { /* Reset all DMA Command/Status Queues */ iowrite32(DMA_QUEUE_RESET, card->regmap + RESET); @@ -210,7 +207,8 @@ static void dma_intr_coal_auto_tune(struct rsxx_cardinfo *card) u32 q_depth = 0; u32 intr_coal; - if (card->config.data.intr_coal.mode != RSXX_INTR_COAL_AUTO_TUNE) + if (card->config.data.intr_coal.mode != RSXX_INTR_COAL_AUTO_TUNE || + unlikely(card->eeh_state)) return; for (i = 0; i < card->n_targets; i++) @@ -223,31 +221,26 @@ static void dma_intr_coal_auto_tune(struct rsxx_cardinfo *card) } /*----------------- RSXX DMA Handling -------------------*/ -static void rsxx_complete_dma(struct rsxx_cardinfo *card, +static void rsxx_complete_dma(struct rsxx_dma_ctrl *ctrl, struct rsxx_dma *dma, unsigned int status) { if (status & DMA_SW_ERR) - printk_ratelimited(KERN_ERR - "SW Error in DMA(cmd x%02x, laddr x%08x)\n", - dma->cmd, dma->laddr); + ctrl->stats.dma_sw_err++; if (status & DMA_HW_FAULT) - printk_ratelimited(KERN_ERR - "HW Fault in DMA(cmd x%02x, laddr x%08x)\n", - dma->cmd, dma->laddr); + ctrl->stats.dma_hw_fault++; if (status & DMA_CANCELLED) - printk_ratelimited(KERN_ERR - "DMA Cancelled(cmd x%02x, laddr x%08x)\n", - dma->cmd, dma->laddr); + ctrl->stats.dma_cancelled++; if (dma->dma_addr) - pci_unmap_page(card->dev, dma->dma_addr, get_dma_size(dma), + pci_unmap_page(ctrl->card->dev, dma->dma_addr, + get_dma_size(dma), dma->cmd == HW_CMD_BLK_WRITE ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); if (dma->cb) - dma->cb(card, dma->cb_data, status ? 1 : 0); + dma->cb(ctrl->card, dma->cb_data, status ? 1 : 0); kmem_cache_free(rsxx_dma_pool, dma); } @@ -330,14 +323,15 @@ static void rsxx_handle_dma_error(struct rsxx_dma_ctrl *ctrl, if (requeue_cmd) rsxx_requeue_dma(ctrl, dma); else - rsxx_complete_dma(ctrl->card, dma, status); + rsxx_complete_dma(ctrl, dma, status); } static void dma_engine_stalled(unsigned long data) { struct rsxx_dma_ctrl *ctrl = (struct rsxx_dma_ctrl *)data; - if (atomic_read(&ctrl->stats.hw_q_depth) == 0) + if (atomic_read(&ctrl->stats.hw_q_depth) == 0 || + unlikely(ctrl->card->eeh_state)) return; if (ctrl->cmd.idx != ioread32(ctrl->regmap + SW_CMD_IDX)) { @@ -369,7 +363,8 @@ static void rsxx_issue_dmas(struct work_struct *work) ctrl = container_of(work, struct rsxx_dma_ctrl, issue_dma_work); hw_cmd_buf = ctrl->cmd.buf; - if (unlikely(ctrl->card->halt)) + if (unlikely(ctrl->card->halt) || + unlikely(ctrl->card->eeh_state)) return; while (1) { @@ -397,7 +392,7 @@ static void rsxx_issue_dmas(struct work_struct *work) */ if (unlikely(ctrl->card->dma_fault)) { push_tracker(ctrl->trackers, tag); - rsxx_complete_dma(ctrl->card, dma, DMA_CANCELLED); + rsxx_complete_dma(ctrl, dma, DMA_CANCELLED); continue; } @@ -432,19 +427,15 @@ static void rsxx_issue_dmas(struct work_struct *work) /* Let HW know we've queued commands. */ if (cmds_pending) { - /* - * We must guarantee that the CPU writes to 'ctrl->cmd.buf' - * (which is in PCI-consistent system-memory) from the loop - * above make it into the coherency domain before the - * following PIO "trigger" updating the cmd.idx. A WMB is - * sufficient. We need not explicitly CPU cache-flush since - * the memory is a PCI-consistent (ie; coherent) mapping. - */ - wmb(); - atomic_add(cmds_pending, &ctrl->stats.hw_q_depth); mod_timer(&ctrl->activity_timer, jiffies + DMA_ACTIVITY_TIMEOUT); + + if (unlikely(ctrl->card->eeh_state)) { + del_timer_sync(&ctrl->activity_timer); + return; + } + iowrite32(ctrl->cmd.idx, ctrl->regmap + SW_CMD_IDX); } } @@ -463,7 +454,8 @@ static void rsxx_dma_done(struct work_struct *work) hw_st_buf = ctrl->status.buf; if (unlikely(ctrl->card->halt) || - unlikely(ctrl->card->dma_fault)) + unlikely(ctrl->card->dma_fault) || + unlikely(ctrl->card->eeh_state)) return; count = le16_to_cpu(hw_st_buf[ctrl->status.idx].count); @@ -508,7 +500,7 @@ static void rsxx_dma_done(struct work_struct *work) if (status) rsxx_handle_dma_error(ctrl, dma, status); else - rsxx_complete_dma(ctrl->card, dma, 0); + rsxx_complete_dma(ctrl, dma, 0); push_tracker(ctrl->trackers, tag); @@ -727,20 +719,54 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, /*----------------- DMA Engine Initialization & Setup -------------------*/ +int rsxx_hw_buffers_init(struct pci_dev *dev, struct rsxx_dma_ctrl *ctrl) +{ + ctrl->status.buf = pci_alloc_consistent(dev, STATUS_BUFFER_SIZE8, + &ctrl->status.dma_addr); + ctrl->cmd.buf = pci_alloc_consistent(dev, COMMAND_BUFFER_SIZE8, + &ctrl->cmd.dma_addr); + if (ctrl->status.buf == NULL || ctrl->cmd.buf == NULL) + return -ENOMEM; + + memset(ctrl->status.buf, 0xac, STATUS_BUFFER_SIZE8); + iowrite32(lower_32_bits(ctrl->status.dma_addr), + ctrl->regmap + SB_ADD_LO); + iowrite32(upper_32_bits(ctrl->status.dma_addr), + ctrl->regmap + SB_ADD_HI); + + memset(ctrl->cmd.buf, 0x83, COMMAND_BUFFER_SIZE8); + iowrite32(lower_32_bits(ctrl->cmd.dma_addr), ctrl->regmap + CB_ADD_LO); + iowrite32(upper_32_bits(ctrl->cmd.dma_addr), ctrl->regmap + CB_ADD_HI); + + ctrl->status.idx = ioread32(ctrl->regmap + HW_STATUS_CNT); + if (ctrl->status.idx > RSXX_MAX_OUTSTANDING_CMDS) { + dev_crit(&dev->dev, "Failed reading status cnt x%x\n", + ctrl->status.idx); + return -EINVAL; + } + iowrite32(ctrl->status.idx, ctrl->regmap + HW_STATUS_CNT); + iowrite32(ctrl->status.idx, ctrl->regmap + SW_STATUS_CNT); + + ctrl->cmd.idx = ioread32(ctrl->regmap + HW_CMD_IDX); + if (ctrl->cmd.idx > RSXX_MAX_OUTSTANDING_CMDS) { + dev_crit(&dev->dev, "Failed reading cmd cnt x%x\n", + ctrl->status.idx); + return -EINVAL; + } + iowrite32(ctrl->cmd.idx, ctrl->regmap + HW_CMD_IDX); + iowrite32(ctrl->cmd.idx, ctrl->regmap + SW_CMD_IDX); + + return 0; +} + static int rsxx_dma_ctrl_init(struct pci_dev *dev, struct rsxx_dma_ctrl *ctrl) { int i; + int st; memset(&ctrl->stats, 0, sizeof(ctrl->stats)); - ctrl->status.buf = pci_alloc_consistent(dev, STATUS_BUFFER_SIZE8, - &ctrl->status.dma_addr); - ctrl->cmd.buf = pci_alloc_consistent(dev, COMMAND_BUFFER_SIZE8, - &ctrl->cmd.dma_addr); - if (ctrl->status.buf == NULL || ctrl->cmd.buf == NULL) - return -ENOMEM; - ctrl->trackers = vmalloc(DMA_TRACKER_LIST_SIZE8); if (!ctrl->trackers) return -ENOMEM; @@ -770,35 +796,9 @@ static int rsxx_dma_ctrl_init(struct pci_dev *dev, INIT_WORK(&ctrl->issue_dma_work, rsxx_issue_dmas); INIT_WORK(&ctrl->dma_done_work, rsxx_dma_done); - memset(ctrl->status.buf, 0xac, STATUS_BUFFER_SIZE8); - iowrite32(lower_32_bits(ctrl->status.dma_addr), - ctrl->regmap + SB_ADD_LO); - iowrite32(upper_32_bits(ctrl->status.dma_addr), - ctrl->regmap + SB_ADD_HI); - - memset(ctrl->cmd.buf, 0x83, COMMAND_BUFFER_SIZE8); - iowrite32(lower_32_bits(ctrl->cmd.dma_addr), ctrl->regmap + CB_ADD_LO); - iowrite32(upper_32_bits(ctrl->cmd.dma_addr), ctrl->regmap + CB_ADD_HI); - - ctrl->status.idx = ioread32(ctrl->regmap + HW_STATUS_CNT); - if (ctrl->status.idx > RSXX_MAX_OUTSTANDING_CMDS) { - dev_crit(&dev->dev, "Failed reading status cnt x%x\n", - ctrl->status.idx); - return -EINVAL; - } - iowrite32(ctrl->status.idx, ctrl->regmap + HW_STATUS_CNT); - iowrite32(ctrl->status.idx, ctrl->regmap + SW_STATUS_CNT); - - ctrl->cmd.idx = ioread32(ctrl->regmap + HW_CMD_IDX); - if (ctrl->cmd.idx > RSXX_MAX_OUTSTANDING_CMDS) { - dev_crit(&dev->dev, "Failed reading cmd cnt x%x\n", - ctrl->status.idx); - return -EINVAL; - } - iowrite32(ctrl->cmd.idx, ctrl->regmap + HW_CMD_IDX); - iowrite32(ctrl->cmd.idx, ctrl->regmap + SW_CMD_IDX); - - wmb(); + st = rsxx_hw_buffers_init(dev, ctrl); + if (st) + return st; return 0; } @@ -834,7 +834,7 @@ static int rsxx_dma_stripe_setup(struct rsxx_cardinfo *card, return 0; } -static int rsxx_dma_configure(struct rsxx_cardinfo *card) +int rsxx_dma_configure(struct rsxx_cardinfo *card) { u32 intr_coal; @@ -980,6 +980,103 @@ void rsxx_dma_destroy(struct rsxx_cardinfo *card) } } +int rsxx_eeh_save_issued_dmas(struct rsxx_cardinfo *card) +{ + int i; + int j; + int cnt; + struct rsxx_dma *dma; + struct list_head *issued_dmas; + + issued_dmas = kzalloc(sizeof(*issued_dmas) * card->n_targets, + GFP_KERNEL); + if (!issued_dmas) + return -ENOMEM; + + for (i = 0; i < card->n_targets; i++) { + INIT_LIST_HEAD(&issued_dmas[i]); + cnt = 0; + for (j = 0; j < RSXX_MAX_OUTSTANDING_CMDS; j++) { + dma = get_tracker_dma(card->ctrl[i].trackers, j); + if (dma == NULL) + continue; + + if (dma->cmd == HW_CMD_BLK_WRITE) + card->ctrl[i].stats.writes_issued--; + else if (dma->cmd == HW_CMD_BLK_DISCARD) + card->ctrl[i].stats.discards_issued--; + else + card->ctrl[i].stats.reads_issued--; + + list_add_tail(&dma->list, &issued_dmas[i]); + push_tracker(card->ctrl[i].trackers, j); + cnt++; + } + + spin_lock(&card->ctrl[i].queue_lock); + list_splice(&issued_dmas[i], &card->ctrl[i].queue); + + atomic_sub(cnt, &card->ctrl[i].stats.hw_q_depth); + card->ctrl[i].stats.sw_q_depth += cnt; + card->ctrl[i].e_cnt = 0; + + list_for_each_entry(dma, &card->ctrl[i].queue, list) { + if (dma->dma_addr) + pci_unmap_page(card->dev, dma->dma_addr, + get_dma_size(dma), + dma->cmd == HW_CMD_BLK_WRITE ? + PCI_DMA_TODEVICE : + PCI_DMA_FROMDEVICE); + } + spin_unlock(&card->ctrl[i].queue_lock); + } + + kfree(issued_dmas); + + return 0; +} + +void rsxx_eeh_cancel_dmas(struct rsxx_cardinfo *card) +{ + struct rsxx_dma *dma; + struct rsxx_dma *tmp; + int i; + + for (i = 0; i < card->n_targets; i++) { + spin_lock(&card->ctrl[i].queue_lock); + list_for_each_entry_safe(dma, tmp, &card->ctrl[i].queue, list) { + list_del(&dma->list); + + rsxx_complete_dma(&card->ctrl[i], dma, DMA_CANCELLED); + } + spin_unlock(&card->ctrl[i].queue_lock); + } +} + +int rsxx_eeh_remap_dmas(struct rsxx_cardinfo *card) +{ + struct rsxx_dma *dma; + int i; + + for (i = 0; i < card->n_targets; i++) { + spin_lock(&card->ctrl[i].queue_lock); + list_for_each_entry(dma, &card->ctrl[i].queue, list) { + dma->dma_addr = pci_map_page(card->dev, dma->page, + dma->pg_off, get_dma_size(dma), + dma->cmd == HW_CMD_BLK_WRITE ? + PCI_DMA_TODEVICE : + PCI_DMA_FROMDEVICE); + if (!dma->dma_addr) { + spin_unlock(&card->ctrl[i].queue_lock); + kmem_cache_free(rsxx_dma_pool, dma); + return -ENOMEM; + } + } + spin_unlock(&card->ctrl[i].queue_lock); + } + + return 0; +} int rsxx_dma_init(void) { diff --git a/trunk/drivers/block/rsxx/rsxx.h b/trunk/drivers/block/rsxx/rsxx.h index 2e50b65902b7..24ba3642bd89 100644 --- a/trunk/drivers/block/rsxx/rsxx.h +++ b/trunk/drivers/block/rsxx/rsxx.h @@ -27,15 +27,17 @@ /*----------------- IOCTL Definitions -------------------*/ +#define RSXX_MAX_DATA 8 + struct rsxx_reg_access { __u32 addr; __u32 cnt; __u32 stat; __u32 stream; - __u32 data[8]; + __u32 data[RSXX_MAX_DATA]; }; -#define RSXX_MAX_REG_CNT (8 * (sizeof(__u32))) +#define RSXX_MAX_REG_CNT (RSXX_MAX_DATA * (sizeof(__u32))) #define RSXX_IOC_MAGIC 'r' diff --git a/trunk/drivers/block/rsxx/rsxx_cfg.h b/trunk/drivers/block/rsxx/rsxx_cfg.h index c025fe5fdb70..f384c943846d 100644 --- a/trunk/drivers/block/rsxx/rsxx_cfg.h +++ b/trunk/drivers/block/rsxx/rsxx_cfg.h @@ -58,7 +58,7 @@ struct rsxx_card_cfg { }; /* Vendor ID Values */ -#define RSXX_VENDOR_ID_TMS_IBM 0 +#define RSXX_VENDOR_ID_IBM 0 #define RSXX_VENDOR_ID_DSI 1 #define RSXX_VENDOR_COUNT 2 diff --git a/trunk/drivers/block/rsxx/rsxx_priv.h b/trunk/drivers/block/rsxx/rsxx_priv.h index a1ac907d8f4c..382e8bf5c03b 100644 --- a/trunk/drivers/block/rsxx/rsxx_priv.h +++ b/trunk/drivers/block/rsxx/rsxx_priv.h @@ -45,16 +45,13 @@ struct proc_cmd; -#define PCI_VENDOR_ID_TMS_IBM 0x15B6 -#define PCI_DEVICE_ID_RS70_FLASH 0x0019 -#define PCI_DEVICE_ID_RS70D_FLASH 0x001A -#define PCI_DEVICE_ID_RS80_FLASH 0x001C -#define PCI_DEVICE_ID_RS81_FLASH 0x001E +#define PCI_DEVICE_ID_FS70_FLASH 0x04A9 +#define PCI_DEVICE_ID_FS80_FLASH 0x04AA #define RS70_PCI_REV_SUPPORTED 4 #define DRIVER_NAME "rsxx" -#define DRIVER_VERSION "3.7" +#define DRIVER_VERSION "4.0" /* Block size is 4096 */ #define RSXX_HW_BLK_SHIFT 12 @@ -67,6 +64,9 @@ struct proc_cmd; #define RSXX_MAX_OUTSTANDING_CMDS 255 #define RSXX_CS_IDX_MASK 0xff +#define STATUS_BUFFER_SIZE8 4096 +#define COMMAND_BUFFER_SIZE8 4096 + #define RSXX_MAX_TARGETS 8 struct dma_tracker_list; @@ -91,6 +91,9 @@ struct rsxx_dma_stats { u32 discards_failed; u32 done_rescheduled; u32 issue_rescheduled; + u32 dma_sw_err; + u32 dma_hw_fault; + u32 dma_cancelled; u32 sw_q_depth; /* Number of DMAs on the SW queue. */ atomic_t hw_q_depth; /* Number of DMAs queued to HW. */ }; @@ -116,6 +119,7 @@ struct rsxx_dma_ctrl { struct rsxx_cardinfo { struct pci_dev *dev; unsigned int halt; + unsigned int eeh_state; void __iomem *regmap; spinlock_t irq_lock; @@ -224,6 +228,7 @@ enum rsxx_pci_regmap { PERF_RD512_HI = 0xac, PERF_WR512_LO = 0xb0, PERF_WR512_HI = 0xb4, + PCI_RECONFIG = 0xb8, }; enum rsxx_intr { @@ -237,6 +242,8 @@ enum rsxx_intr { CR_INTR_DMA5 = 0x00000080, CR_INTR_DMA6 = 0x00000100, CR_INTR_DMA7 = 0x00000200, + CR_INTR_ALL_C = 0x0000003f, + CR_INTR_ALL_G = 0x000003ff, CR_INTR_DMA_ALL = 0x000003f5, CR_INTR_ALL = 0xffffffff, }; @@ -253,8 +260,14 @@ enum rsxx_pci_reset { DMA_QUEUE_RESET = 0x00000001, }; +enum rsxx_hw_fifo_flush { + RSXX_FLUSH_BUSY = 0x00000002, + RSXX_FLUSH_TIMEOUT = 0x00000004, +}; + enum rsxx_pci_revision { RSXX_DISCARD_SUPPORT = 2, + RSXX_EEH_SUPPORT = 3, }; enum rsxx_creg_cmd { @@ -360,11 +373,17 @@ int rsxx_dma_setup(struct rsxx_cardinfo *card); void rsxx_dma_destroy(struct rsxx_cardinfo *card); int rsxx_dma_init(void); void rsxx_dma_cleanup(void); +void rsxx_dma_queue_reset(struct rsxx_cardinfo *card); +int rsxx_dma_configure(struct rsxx_cardinfo *card); int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, struct bio *bio, atomic_t *n_dmas, rsxx_dma_cb cb, void *cb_data); +int rsxx_hw_buffers_init(struct pci_dev *dev, struct rsxx_dma_ctrl *ctrl); +int rsxx_eeh_save_issued_dmas(struct rsxx_cardinfo *card); +void rsxx_eeh_cancel_dmas(struct rsxx_cardinfo *card); +int rsxx_eeh_remap_dmas(struct rsxx_cardinfo *card); /***** cregs.c *****/ int rsxx_creg_write(struct rsxx_cardinfo *card, u32 addr, @@ -389,10 +408,11 @@ int rsxx_creg_setup(struct rsxx_cardinfo *card); void rsxx_creg_destroy(struct rsxx_cardinfo *card); int rsxx_creg_init(void); void rsxx_creg_cleanup(void); - int rsxx_reg_access(struct rsxx_cardinfo *card, struct rsxx_reg_access __user *ucmd, int read); +void rsxx_eeh_save_issued_creg(struct rsxx_cardinfo *card); +void rsxx_kick_creg_queue(struct rsxx_cardinfo *card); diff --git a/trunk/drivers/block/xen-blkback/blkback.c b/trunk/drivers/block/xen-blkback/blkback.c index de1f319f7bd7..dd5b2fed97e9 100644 --- a/trunk/drivers/block/xen-blkback/blkback.c +++ b/trunk/drivers/block/xen-blkback/blkback.c @@ -164,7 +164,7 @@ static void make_response(struct xen_blkif *blkif, u64 id, #define foreach_grant_safe(pos, n, rbtree, node) \ for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node), \ - (n) = rb_next(&(pos)->node); \ + (n) = (&(pos)->node != NULL) ? rb_next(&(pos)->node) : NULL; \ &(pos)->node != NULL; \ (pos) = container_of(n, typeof(*(pos)), node), \ (n) = (&(pos)->node != NULL) ? rb_next(&(pos)->node) : NULL) @@ -381,8 +381,8 @@ irqreturn_t xen_blkif_be_int(int irq, void *dev_id) static void print_stats(struct xen_blkif *blkif) { - pr_info("xen-blkback (%s): oo %3d | rd %4d | wr %4d | f %4d" - " | ds %4d\n", + pr_info("xen-blkback (%s): oo %3llu | rd %4llu | wr %4llu | f %4llu" + " | ds %4llu\n", current->comm, blkif->st_oo_req, blkif->st_rd_req, blkif->st_wr_req, blkif->st_f_req, blkif->st_ds_req); @@ -442,7 +442,7 @@ int xen_blkif_schedule(void *arg) } struct seg_buf { - unsigned long buf; + unsigned int offset; unsigned int nsec; }; /* @@ -621,30 +621,21 @@ static int xen_blkbk_map(struct blkif_request *req, * If this is a new persistent grant * save the handler */ - persistent_gnts[i]->handle = map[j].handle; - persistent_gnts[i]->dev_bus_addr = - map[j++].dev_bus_addr; + persistent_gnts[i]->handle = map[j++].handle; } pending_handle(pending_req, i) = persistent_gnts[i]->handle; if (ret) continue; - - seg[i].buf = persistent_gnts[i]->dev_bus_addr | - (req->u.rw.seg[i].first_sect << 9); } else { - pending_handle(pending_req, i) = map[j].handle; + pending_handle(pending_req, i) = map[j++].handle; bitmap_set(pending_req->unmap_seg, i, 1); - if (ret) { - j++; + if (ret) continue; - } - - seg[i].buf = map[j++].dev_bus_addr | - (req->u.rw.seg[i].first_sect << 9); } + seg[i].offset = (req->u.rw.seg[i].first_sect << 9); } return ret; } @@ -679,6 +670,16 @@ static int dispatch_discard_io(struct xen_blkif *blkif, return err; } +static int dispatch_other_io(struct xen_blkif *blkif, + struct blkif_request *req, + struct pending_req *pending_req) +{ + free_req(pending_req); + make_response(blkif, req->u.other.id, req->operation, + BLKIF_RSP_EOPNOTSUPP); + return -EIO; +} + static void xen_blk_drain_io(struct xen_blkif *blkif) { atomic_set(&blkif->drain, 1); @@ -800,17 +801,30 @@ __do_block_io_op(struct xen_blkif *blkif) /* Apply all sanity checks to /private copy/ of request. */ barrier(); - if (unlikely(req.operation == BLKIF_OP_DISCARD)) { + + switch (req.operation) { + case BLKIF_OP_READ: + case BLKIF_OP_WRITE: + case BLKIF_OP_WRITE_BARRIER: + case BLKIF_OP_FLUSH_DISKCACHE: + if (dispatch_rw_block_io(blkif, &req, pending_req)) + goto done; + break; + case BLKIF_OP_DISCARD: free_req(pending_req); if (dispatch_discard_io(blkif, &req)) - break; - } else if (dispatch_rw_block_io(blkif, &req, pending_req)) + goto done; break; + default: + if (dispatch_other_io(blkif, &req, pending_req)) + goto done; + break; + } /* Yield point for this unbounded loop. */ cond_resched(); } - +done: return more_to_do; } @@ -904,7 +918,8 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, pr_debug(DRV_PFX "access denied: %s of [%llu,%llu] on dev=%04x\n", operation == READ ? "read" : "write", preq.sector_number, - preq.sector_number + preq.nr_sects, preq.dev); + preq.sector_number + preq.nr_sects, + blkif->vbd.pdevice); goto fail_response; } @@ -947,7 +962,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, (bio_add_page(bio, pages[i], seg[i].nsec << 9, - seg[i].buf & ~PAGE_MASK) == 0)) { + seg[i].offset) == 0)) { bio = bio_alloc(GFP_KERNEL, nseg-i); if (unlikely(bio == NULL)) @@ -977,13 +992,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, bio->bi_end_io = end_block_io_op; } - /* - * We set it one so that the last submit_bio does not have to call - * atomic_inc. - */ atomic_set(&pending_req->pendcnt, nbio); - - /* Get a reference count for the disk queue and start sending I/O */ blk_start_plug(&plug); for (i = 0; i < nbio; i++) @@ -1011,6 +1020,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, fail_put_bio: for (i = 0; i < nbio; i++) bio_put(biolist[i]); + atomic_set(&pending_req->pendcnt, 1); __end_block_io_op(pending_req, -EINVAL); msleep(1); /* back off a bit */ return -EIO; diff --git a/trunk/drivers/block/xen-blkback/common.h b/trunk/drivers/block/xen-blkback/common.h index 6072390c7f57..60103e2517ba 100644 --- a/trunk/drivers/block/xen-blkback/common.h +++ b/trunk/drivers/block/xen-blkback/common.h @@ -77,11 +77,18 @@ struct blkif_x86_32_request_discard { uint64_t nr_sectors; } __attribute__((__packed__)); +struct blkif_x86_32_request_other { + uint8_t _pad1; + blkif_vdev_t _pad2; + uint64_t id; /* private guest value, echoed in resp */ +} __attribute__((__packed__)); + struct blkif_x86_32_request { uint8_t operation; /* BLKIF_OP_??? */ union { struct blkif_x86_32_request_rw rw; struct blkif_x86_32_request_discard discard; + struct blkif_x86_32_request_other other; } u; } __attribute__((__packed__)); @@ -113,11 +120,19 @@ struct blkif_x86_64_request_discard { uint64_t nr_sectors; } __attribute__((__packed__)); +struct blkif_x86_64_request_other { + uint8_t _pad1; + blkif_vdev_t _pad2; + uint32_t _pad3; /* offsetof(blkif_..,u.discard.id)==8 */ + uint64_t id; /* private guest value, echoed in resp */ +} __attribute__((__packed__)); + struct blkif_x86_64_request { uint8_t operation; /* BLKIF_OP_??? */ union { struct blkif_x86_64_request_rw rw; struct blkif_x86_64_request_discard discard; + struct blkif_x86_64_request_other other; } u; } __attribute__((__packed__)); @@ -172,7 +187,6 @@ struct persistent_gnt { struct page *page; grant_ref_t gnt; grant_handle_t handle; - uint64_t dev_bus_addr; struct rb_node node; }; @@ -208,13 +222,13 @@ struct xen_blkif { /* statistics */ unsigned long st_print; - int st_rd_req; - int st_wr_req; - int st_oo_req; - int st_f_req; - int st_ds_req; - int st_rd_sect; - int st_wr_sect; + unsigned long long st_rd_req; + unsigned long long st_wr_req; + unsigned long long st_oo_req; + unsigned long long st_f_req; + unsigned long long st_ds_req; + unsigned long long st_rd_sect; + unsigned long long st_wr_sect; wait_queue_head_t waiting_to_free; }; @@ -278,6 +292,11 @@ static inline void blkif_get_x86_32_req(struct blkif_request *dst, dst->u.discard.nr_sectors = src->u.discard.nr_sectors; break; default: + /* + * Don't know how to translate this op. Only get the + * ID so failure can be reported to the frontend. + */ + dst->u.other.id = src->u.other.id; break; } } @@ -309,6 +328,11 @@ static inline void blkif_get_x86_64_req(struct blkif_request *dst, dst->u.discard.nr_sectors = src->u.discard.nr_sectors; break; default: + /* + * Don't know how to translate this op. Only get the + * ID so failure can be reported to the frontend. + */ + dst->u.other.id = src->u.other.id; break; } } diff --git a/trunk/drivers/block/xen-blkback/xenbus.c b/trunk/drivers/block/xen-blkback/xenbus.c index 5e237f630c47..8bfd1bcf95ec 100644 --- a/trunk/drivers/block/xen-blkback/xenbus.c +++ b/trunk/drivers/block/xen-blkback/xenbus.c @@ -230,13 +230,13 @@ int __init xen_blkif_interface_init(void) } \ static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) -VBD_SHOW(oo_req, "%d\n", be->blkif->st_oo_req); -VBD_SHOW(rd_req, "%d\n", be->blkif->st_rd_req); -VBD_SHOW(wr_req, "%d\n", be->blkif->st_wr_req); -VBD_SHOW(f_req, "%d\n", be->blkif->st_f_req); -VBD_SHOW(ds_req, "%d\n", be->blkif->st_ds_req); -VBD_SHOW(rd_sect, "%d\n", be->blkif->st_rd_sect); -VBD_SHOW(wr_sect, "%d\n", be->blkif->st_wr_sect); +VBD_SHOW(oo_req, "%llu\n", be->blkif->st_oo_req); +VBD_SHOW(rd_req, "%llu\n", be->blkif->st_rd_req); +VBD_SHOW(wr_req, "%llu\n", be->blkif->st_wr_req); +VBD_SHOW(f_req, "%llu\n", be->blkif->st_f_req); +VBD_SHOW(ds_req, "%llu\n", be->blkif->st_ds_req); +VBD_SHOW(rd_sect, "%llu\n", be->blkif->st_rd_sect); +VBD_SHOW(wr_sect, "%llu\n", be->blkif->st_wr_sect); static struct attribute *xen_vbdstat_attrs[] = { &dev_attr_oo_req.attr, diff --git a/trunk/drivers/block/xen-blkfront.c b/trunk/drivers/block/xen-blkfront.c index c3dae2e0f290..a894f88762d8 100644 --- a/trunk/drivers/block/xen-blkfront.c +++ b/trunk/drivers/block/xen-blkfront.c @@ -44,7 +44,7 @@ #include #include #include -#include +#include #include #include @@ -68,13 +68,12 @@ enum blkif_state { struct grant { grant_ref_t gref; unsigned long pfn; - struct llist_node node; + struct list_head node; }; struct blk_shadow { struct blkif_request req; struct request *request; - unsigned long frame[BLKIF_MAX_SEGMENTS_PER_REQUEST]; struct grant *grants_used[BLKIF_MAX_SEGMENTS_PER_REQUEST]; }; @@ -105,7 +104,7 @@ struct blkfront_info struct work_struct work; struct gnttab_free_callback callback; struct blk_shadow shadow[BLK_RING_SIZE]; - struct llist_head persistent_gnts; + struct list_head persistent_gnts; unsigned int persistent_gnts_c; unsigned long shadow_free; unsigned int feature_flush; @@ -165,6 +164,69 @@ static int add_id_to_freelist(struct blkfront_info *info, return 0; } +static int fill_grant_buffer(struct blkfront_info *info, int num) +{ + struct page *granted_page; + struct grant *gnt_list_entry, *n; + int i = 0; + + while(i < num) { + gnt_list_entry = kzalloc(sizeof(struct grant), GFP_NOIO); + if (!gnt_list_entry) + goto out_of_memory; + + granted_page = alloc_page(GFP_NOIO); + if (!granted_page) { + kfree(gnt_list_entry); + goto out_of_memory; + } + + gnt_list_entry->pfn = page_to_pfn(granted_page); + gnt_list_entry->gref = GRANT_INVALID_REF; + list_add(&gnt_list_entry->node, &info->persistent_gnts); + i++; + } + + return 0; + +out_of_memory: + list_for_each_entry_safe(gnt_list_entry, n, + &info->persistent_gnts, node) { + list_del(&gnt_list_entry->node); + __free_page(pfn_to_page(gnt_list_entry->pfn)); + kfree(gnt_list_entry); + i--; + } + BUG_ON(i != 0); + return -ENOMEM; +} + +static struct grant *get_grant(grant_ref_t *gref_head, + struct blkfront_info *info) +{ + struct grant *gnt_list_entry; + unsigned long buffer_mfn; + + BUG_ON(list_empty(&info->persistent_gnts)); + gnt_list_entry = list_first_entry(&info->persistent_gnts, struct grant, + node); + list_del(&gnt_list_entry->node); + + if (gnt_list_entry->gref != GRANT_INVALID_REF) { + info->persistent_gnts_c--; + return gnt_list_entry; + } + + /* Assign a gref to this page */ + gnt_list_entry->gref = gnttab_claim_grant_reference(gref_head); + BUG_ON(gnt_list_entry->gref == -ENOSPC); + buffer_mfn = pfn_to_mfn(gnt_list_entry->pfn); + gnttab_grant_foreign_access_ref(gnt_list_entry->gref, + info->xbdev->otherend_id, + buffer_mfn, 0); + return gnt_list_entry; +} + static const char *op_name(int op) { static const char *const names[] = { @@ -293,7 +355,6 @@ static int blkif_ioctl(struct block_device *bdev, fmode_t mode, static int blkif_queue_request(struct request *req) { struct blkfront_info *info = req->rq_disk->private_data; - unsigned long buffer_mfn; struct blkif_request *ring_req; unsigned long id; unsigned int fsect, lsect; @@ -306,7 +367,6 @@ static int blkif_queue_request(struct request *req) */ bool new_persistent_gnts; grant_ref_t gref_head; - struct page *granted_page; struct grant *gnt_list_entry = NULL; struct scatterlist *sg; @@ -370,41 +430,8 @@ static int blkif_queue_request(struct request *req) fsect = sg->offset >> 9; lsect = fsect + (sg->length >> 9) - 1; - if (info->persistent_gnts_c) { - BUG_ON(llist_empty(&info->persistent_gnts)); - gnt_list_entry = llist_entry( - llist_del_first(&info->persistent_gnts), - struct grant, node); - - ref = gnt_list_entry->gref; - buffer_mfn = pfn_to_mfn(gnt_list_entry->pfn); - info->persistent_gnts_c--; - } else { - ref = gnttab_claim_grant_reference(&gref_head); - BUG_ON(ref == -ENOSPC); - - gnt_list_entry = - kmalloc(sizeof(struct grant), - GFP_ATOMIC); - if (!gnt_list_entry) - return -ENOMEM; - - granted_page = alloc_page(GFP_ATOMIC); - if (!granted_page) { - kfree(gnt_list_entry); - return -ENOMEM; - } - - gnt_list_entry->pfn = - page_to_pfn(granted_page); - gnt_list_entry->gref = ref; - - buffer_mfn = pfn_to_mfn(page_to_pfn( - granted_page)); - gnttab_grant_foreign_access_ref(ref, - info->xbdev->otherend_id, - buffer_mfn, 0); - } + gnt_list_entry = get_grant(&gref_head, info); + ref = gnt_list_entry->gref; info->shadow[id].grants_used[i] = gnt_list_entry; @@ -435,7 +462,6 @@ static int blkif_queue_request(struct request *req) kunmap_atomic(shared_data); } - info->shadow[id].frame[i] = mfn_to_pfn(buffer_mfn); ring_req->u.rw.seg[i] = (struct blkif_request_segment) { .gref = ref, @@ -790,9 +816,8 @@ static void blkif_restart_queue(struct work_struct *work) static void blkif_free(struct blkfront_info *info, int suspend) { - struct llist_node *all_gnts; - struct grant *persistent_gnt, *tmp; - struct llist_node *n; + struct grant *persistent_gnt; + struct grant *n; /* Prevent new requests being issued until we fix things up. */ spin_lock_irq(&info->io_lock); @@ -803,22 +828,20 @@ static void blkif_free(struct blkfront_info *info, int suspend) blk_stop_queue(info->rq); /* Remove all persistent grants */ - if (info->persistent_gnts_c) { - all_gnts = llist_del_all(&info->persistent_gnts); - persistent_gnt = llist_entry(all_gnts, typeof(*(persistent_gnt)), node); - while (persistent_gnt) { - gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL); + if (!list_empty(&info->persistent_gnts)) { + list_for_each_entry_safe(persistent_gnt, n, + &info->persistent_gnts, node) { + list_del(&persistent_gnt->node); + if (persistent_gnt->gref != GRANT_INVALID_REF) { + gnttab_end_foreign_access(persistent_gnt->gref, + 0, 0UL); + info->persistent_gnts_c--; + } __free_page(pfn_to_page(persistent_gnt->pfn)); - tmp = persistent_gnt; - n = persistent_gnt->node.next; - if (n) - persistent_gnt = llist_entry(n, typeof(*(persistent_gnt)), node); - else - persistent_gnt = NULL; - kfree(tmp); + kfree(persistent_gnt); } - info->persistent_gnts_c = 0; } + BUG_ON(info->persistent_gnts_c != 0); /* No more gnttab callback work. */ gnttab_cancel_free_callback(&info->callback); @@ -875,7 +898,7 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, } /* Add the persistent grant into the list of free grants */ for (i = 0; i < s->req.u.rw.nr_segments; i++) { - llist_add(&s->grants_used[i]->node, &info->persistent_gnts); + list_add(&s->grants_used[i]->node, &info->persistent_gnts); info->persistent_gnts_c++; } } @@ -1013,6 +1036,12 @@ static int setup_blkring(struct xenbus_device *dev, sg_init_table(info->sg, BLKIF_MAX_SEGMENTS_PER_REQUEST); + /* Allocate memory for grants */ + err = fill_grant_buffer(info, BLK_RING_SIZE * + BLKIF_MAX_SEGMENTS_PER_REQUEST); + if (err) + goto fail; + err = xenbus_grant_ring(dev, virt_to_mfn(info->ring.sring)); if (err < 0) { free_page((unsigned long)sring); @@ -1171,7 +1200,7 @@ static int blkfront_probe(struct xenbus_device *dev, spin_lock_init(&info->io_lock); info->xbdev = dev; info->vdevice = vdevice; - init_llist_head(&info->persistent_gnts); + INIT_LIST_HEAD(&info->persistent_gnts); info->persistent_gnts_c = 0; info->connected = BLKIF_STATE_DISCONNECTED; INIT_WORK(&info->work, blkif_restart_queue); @@ -1203,11 +1232,10 @@ static int blkif_recover(struct blkfront_info *info) int j; /* Stage 1: Make a safe copy of the shadow state. */ - copy = kmalloc(sizeof(info->shadow), + copy = kmemdup(info->shadow, sizeof(info->shadow), GFP_NOIO | __GFP_REPEAT | __GFP_HIGH); if (!copy) return -ENOMEM; - memcpy(copy, info->shadow, sizeof(info->shadow)); /* Stage 2: Set up free list. */ memset(&info->shadow, 0, sizeof(info->shadow)); @@ -1236,7 +1264,7 @@ static int blkif_recover(struct blkfront_info *info) gnttab_grant_foreign_access_ref( req->u.rw.seg[j].gref, info->xbdev->otherend_id, - pfn_to_mfn(info->shadow[req->u.rw.id].frame[j]), + pfn_to_mfn(copy[i].grants_used[j]->pfn), 0); } info->shadow[req->u.rw.id].req = *req; diff --git a/trunk/drivers/bluetooth/ath3k.c b/trunk/drivers/bluetooth/ath3k.c index b282af181b44..6aab00ef4379 100644 --- a/trunk/drivers/bluetooth/ath3k.c +++ b/trunk/drivers/bluetooth/ath3k.c @@ -73,9 +73,11 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x03F0, 0x311D) }, /* Atheros AR3012 with sflash firmware*/ + { USB_DEVICE(0x0CF3, 0x0036) }, { USB_DEVICE(0x0CF3, 0x3004) }, { USB_DEVICE(0x0CF3, 0x3008) }, { USB_DEVICE(0x0CF3, 0x311D) }, + { USB_DEVICE(0x0CF3, 0x817a) }, { USB_DEVICE(0x13d3, 0x3375) }, { USB_DEVICE(0x04CA, 0x3004) }, { USB_DEVICE(0x04CA, 0x3005) }, @@ -107,9 +109,11 @@ MODULE_DEVICE_TABLE(usb, ath3k_table); static struct usb_device_id ath3k_blist_tbl[] = { /* Atheros AR3012 with sflash firmware*/ + { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, diff --git a/trunk/drivers/bluetooth/btusb.c b/trunk/drivers/bluetooth/btusb.c index e547851870e7..2cc5f774a29c 100644 --- a/trunk/drivers/bluetooth/btusb.c +++ b/trunk/drivers/bluetooth/btusb.c @@ -131,9 +131,11 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, /* Atheros 3012 with sflash firmware */ + { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, diff --git a/trunk/drivers/clk/mxs/clk-imx23.c b/trunk/drivers/clk/mxs/clk-imx23.c index b5c06f9766f6..f6a74872f14e 100644 --- a/trunk/drivers/clk/mxs/clk-imx23.c +++ b/trunk/drivers/clk/mxs/clk-imx23.c @@ -15,12 +15,15 @@ #include #include #include -#include -#include +#include #include "clk.h" -#define DIGCTRL MX23_IO_ADDRESS(MX23_DIGCTL_BASE_ADDR) -#define CLKCTRL MX23_IO_ADDRESS(MX23_CLKCTRL_BASE_ADDR) +static void __iomem *clkctrl; +static void __iomem *digctrl; + +#define CLKCTRL clkctrl +#define DIGCTRL digctrl + #define PLLCTRL0 (CLKCTRL + 0x0000) #define CPU (CLKCTRL + 0x0020) #define HBUS (CLKCTRL + 0x0030) @@ -48,10 +51,10 @@ static void __init clk_misc_init(void) u32 val; /* Gate off cpu clock in WFI for power saving */ - __mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU); + writel_relaxed(1 << BP_CPU_INTERRUPT_WAIT, CPU + SET); /* Clear BYPASS for SAIF */ - __mxs_clrl(1 << BP_CLKSEQ_BYPASS_SAIF, CLKSEQ); + writel_relaxed(1 << BP_CLKSEQ_BYPASS_SAIF, CLKSEQ + CLR); /* SAIF has to use frac div for functional operation */ val = readl_relaxed(SAIF); @@ -62,14 +65,14 @@ static void __init clk_misc_init(void) * Source ssp clock from ref_io than ref_xtal, * as ref_xtal only provides 24 MHz as maximum. */ - __mxs_clrl(1 << BP_CLKSEQ_BYPASS_SSP, CLKSEQ); + writel_relaxed(1 << BP_CLKSEQ_BYPASS_SSP, CLKSEQ + CLR); /* * 480 MHz seems too high to be ssp clock source directly, * so set frac to get a 288 MHz ref_io. */ - __mxs_clrl(0x3f << BP_FRAC_IOFRAC, FRAC); - __mxs_setl(30 << BP_FRAC_IOFRAC, FRAC); + writel_relaxed(0x3f << BP_FRAC_IOFRAC, FRAC + CLR); + writel_relaxed(30 << BP_FRAC_IOFRAC, FRAC + SET); } static const char *sel_pll[] __initconst = { "pll", "ref_xtal", }; @@ -101,6 +104,14 @@ int __init mx23_clocks_init(void) struct device_node *np; u32 i; + np = of_find_compatible_node(NULL, NULL, "fsl,imx23-digctl"); + digctrl = of_iomap(np, 0); + WARN_ON(!digctrl); + + np = of_find_compatible_node(NULL, NULL, "fsl,imx23-clkctrl"); + clkctrl = of_iomap(np, 0); + WARN_ON(!clkctrl); + clk_misc_init(); clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000); @@ -153,19 +164,12 @@ int __init mx23_clocks_init(void) return PTR_ERR(clks[i]); } - np = of_find_compatible_node(NULL, NULL, "fsl,imx23-clkctrl"); - if (np) { - clk_data.clks = clks; - clk_data.clk_num = ARRAY_SIZE(clks); - of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); - } - - clk_register_clkdev(clks[clk32k], NULL, "timrot"); + clk_data.clks = clks; + clk_data.clk_num = ARRAY_SIZE(clks); + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); - mxs_timer_init(); - return 0; } diff --git a/trunk/drivers/clk/mxs/clk-imx28.c b/trunk/drivers/clk/mxs/clk-imx28.c index 76ce6c6d1113..d0e5eed146de 100644 --- a/trunk/drivers/clk/mxs/clk-imx28.c +++ b/trunk/drivers/clk/mxs/clk-imx28.c @@ -15,11 +15,12 @@ #include #include #include -#include -#include +#include #include "clk.h" -#define CLKCTRL MX28_IO_ADDRESS(MX28_CLKCTRL_BASE_ADDR) +static void __iomem *clkctrl; +#define CLKCTRL clkctrl + #define PLL0CTRL0 (CLKCTRL + 0x0000) #define PLL1CTRL0 (CLKCTRL + 0x0020) #define PLL2CTRL0 (CLKCTRL + 0x0040) @@ -53,7 +54,8 @@ #define BP_FRAC0_IO1FRAC 16 #define BP_FRAC0_IO0FRAC 24 -#define DIGCTRL MX28_IO_ADDRESS(MX28_DIGCTL_BASE_ADDR) +static void __iomem *digctrl; +#define DIGCTRL digctrl #define BP_SAIF_CLKMUX 10 /* @@ -72,8 +74,8 @@ int mxs_saif_clkmux_select(unsigned int clkmux) if (clkmux > 0x3) return -EINVAL; - __mxs_clrl(0x3 << BP_SAIF_CLKMUX, DIGCTRL); - __mxs_setl(clkmux << BP_SAIF_CLKMUX, DIGCTRL); + writel_relaxed(0x3 << BP_SAIF_CLKMUX, DIGCTRL + CLR); + writel_relaxed(clkmux << BP_SAIF_CLKMUX, DIGCTRL + SET); return 0; } @@ -83,13 +85,13 @@ static void __init clk_misc_init(void) u32 val; /* Gate off cpu clock in WFI for power saving */ - __mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU); + writel_relaxed(1 << BP_CPU_INTERRUPT_WAIT, CPU + SET); /* 0 is a bad default value for a divider */ - __mxs_setl(1 << BP_ENET_DIV_TIME, ENET); + writel_relaxed(1 << BP_ENET_DIV_TIME, ENET + SET); /* Clear BYPASS for SAIF */ - __mxs_clrl(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ); + writel_relaxed(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ + CLR); /* SAIF has to use frac div for functional operation */ val = readl_relaxed(SAIF0); @@ -109,7 +111,7 @@ static void __init clk_misc_init(void) * Source ssp clock from ref_io than ref_xtal, * as ref_xtal only provides 24 MHz as maximum. */ - __mxs_clrl(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ); + writel_relaxed(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ + CLR); /* * 480 MHz seems too high to be ssp clock source directly, @@ -156,6 +158,14 @@ int __init mx28_clocks_init(void) struct device_node *np; u32 i; + np = of_find_compatible_node(NULL, NULL, "fsl,imx28-digctl"); + digctrl = of_iomap(np, 0); + WARN_ON(!digctrl); + + np = of_find_compatible_node(NULL, NULL, "fsl,imx28-clkctrl"); + clkctrl = of_iomap(np, 0); + WARN_ON(!clkctrl); + clk_misc_init(); clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000); @@ -231,20 +241,14 @@ int __init mx28_clocks_init(void) return PTR_ERR(clks[i]); } - np = of_find_compatible_node(NULL, NULL, "fsl,imx28-clkctrl"); - if (np) { - clk_data.clks = clks; - clk_data.clk_num = ARRAY_SIZE(clks); - of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); - } + clk_data.clks = clks; + clk_data.clk_num = ARRAY_SIZE(clks); + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); - clk_register_clkdev(clks[xbus], NULL, "timrot"); clk_register_clkdev(clks[enet_out], NULL, "enet_out"); for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); - mxs_timer_init(); - return 0; } diff --git a/trunk/drivers/clocksource/Makefile b/trunk/drivers/clocksource/Makefile index 4d8283aec5b5..89c5adc498b3 100644 --- a/trunk/drivers/clocksource/Makefile +++ b/trunk/drivers/clocksource/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_CLKSRC_NOMADIK_MTU) += nomadik-mtu.o obj-$(CONFIG_CLKSRC_DBX500_PRCMU) += clksrc-dbx500-prcmu.o obj-$(CONFIG_ARMADA_370_XP_TIMER) += time-armada-370-xp.o obj-$(CONFIG_ARCH_BCM2835) += bcm2835_timer.o +obj-$(CONFIG_ARCH_MXS) += mxs_timer.o obj-$(CONFIG_SUNXI_TIMER) += sunxi_timer.o obj-$(CONFIG_ARCH_TEGRA) += tegra20_timer.o obj-$(CONFIG_VT8500_TIMER) += vt8500_timer.o diff --git a/trunk/drivers/clocksource/bcm2835_timer.c b/trunk/drivers/clocksource/bcm2835_timer.c index 50c68fef944b..766611d29945 100644 --- a/trunk/drivers/clocksource/bcm2835_timer.c +++ b/trunk/drivers/clocksource/bcm2835_timer.c @@ -95,23 +95,13 @@ static irqreturn_t bcm2835_time_interrupt(int irq, void *dev_id) } } -static struct of_device_id bcm2835_time_match[] __initconst = { - { .compatible = "brcm,bcm2835-system-timer" }, - {} -}; - -static void __init bcm2835_timer_init(void) +static void __init bcm2835_timer_init(struct device_node *node) { - struct device_node *node; void __iomem *base; u32 freq; int irq; struct bcm2835_timer *timer; - node = of_find_matching_node(NULL, bcm2835_time_match); - if (!node) - panic("No bcm2835 timer node"); - base = of_iomap(node, 0); if (!base) panic("Can't remap registers"); diff --git a/trunk/drivers/clocksource/clksrc-of.c b/trunk/drivers/clocksource/clksrc-of.c index bdabdaa8d00f..3ef11fba781c 100644 --- a/trunk/drivers/clocksource/clksrc-of.c +++ b/trunk/drivers/clocksource/clksrc-of.c @@ -26,10 +26,10 @@ void __init clocksource_of_init(void) { struct device_node *np; const struct of_device_id *match; - void (*init_func)(void); + void (*init_func)(struct device_node *); for_each_matching_node_and_match(np, __clksrc_of_table, &match) { init_func = match->data; - init_func(); + init_func(np); } } diff --git a/trunk/arch/arm/mach-mxs/timer.c b/trunk/drivers/clocksource/mxs_timer.c similarity index 91% rename from trunk/arch/arm/mach-mxs/timer.c rename to trunk/drivers/clocksource/mxs_timer.c index 421020498a1b..02af4204af86 100644 --- a/trunk/arch/arm/mach-mxs/timer.c +++ b/trunk/drivers/clocksource/mxs_timer.c @@ -26,12 +26,12 @@ #include #include #include +#include #include +#include #include #include -#include -#include /* * There are 2 versions of the timrot on Freescale MXS-based SoCs. @@ -79,25 +79,25 @@ static struct clock_event_device mxs_clockevent_device; static enum clock_event_mode mxs_clockevent_mode = CLOCK_EVT_MODE_UNUSED; -static void __iomem *mxs_timrot_base = MXS_IO_ADDRESS(MXS_TIMROT_BASE_ADDR); +static void __iomem *mxs_timrot_base; static u32 timrot_major_version; static inline void timrot_irq_disable(void) { - __mxs_clrl(BM_TIMROT_TIMCTRLn_IRQ_EN, - mxs_timrot_base + HW_TIMROT_TIMCTRLn(0)); + __raw_writel(BM_TIMROT_TIMCTRLn_IRQ_EN, mxs_timrot_base + + HW_TIMROT_TIMCTRLn(0) + STMP_OFFSET_REG_CLR); } static inline void timrot_irq_enable(void) { - __mxs_setl(BM_TIMROT_TIMCTRLn_IRQ_EN, - mxs_timrot_base + HW_TIMROT_TIMCTRLn(0)); + __raw_writel(BM_TIMROT_TIMCTRLn_IRQ_EN, mxs_timrot_base + + HW_TIMROT_TIMCTRLn(0) + STMP_OFFSET_REG_SET); } static void timrot_irq_acknowledge(void) { - __mxs_clrl(BM_TIMROT_TIMCTRLn_IRQ, - mxs_timrot_base + HW_TIMROT_TIMCTRLn(0)); + __raw_writel(BM_TIMROT_TIMCTRLn_IRQ, mxs_timrot_base + + HW_TIMROT_TIMCTRLn(0) + STMP_OFFSET_REG_CLR); } static cycle_t timrotv1_get_cycles(struct clocksource *cs) @@ -242,19 +242,15 @@ static int __init mxs_clocksource_init(struct clk *timer_clk) return 0; } -void __init mxs_timer_init(void) +static void __init mxs_timer_init(struct device_node *np) { - struct device_node *np; struct clk *timer_clk; int irq; - np = of_find_compatible_node(NULL, NULL, "fsl,timrot"); - if (!np) { - pr_err("%s: failed find timrot node\n", __func__); - return; - } + mxs_timrot_base = of_iomap(np, 0); + WARN_ON(!mxs_timrot_base); - timer_clk = clk_get_sys("timrot", NULL); + timer_clk = of_clk_get(np, 0); if (IS_ERR(timer_clk)) { pr_err("%s: failed to get clk\n", __func__); return; @@ -265,11 +261,12 @@ void __init mxs_timer_init(void) /* * Initialize timers to a known state */ - mxs_reset_block(mxs_timrot_base + HW_TIMROT_ROTCTRL); + stmp_reset_block(mxs_timrot_base + HW_TIMROT_ROTCTRL); /* get timrot version */ timrot_major_version = __raw_readl(mxs_timrot_base + - (cpu_is_mx23() ? MX23_TIMROT_VERSION_OFFSET : + (of_device_is_compatible(np, "fsl,imx23-timrot") ? + MX23_TIMROT_VERSION_OFFSET : MX28_TIMROT_VERSION_OFFSET)); timrot_major_version >>= BP_TIMROT_MAJOR_VERSION; @@ -304,3 +301,4 @@ void __init mxs_timer_init(void) irq = irq_of_parse_and_map(np, 0); setup_irq(irq, &mxs_timer_irq); } +CLOCKSOURCE_OF_DECLARE(mxs, "fsl,timrot", mxs_timer_init); diff --git a/trunk/drivers/clocksource/tegra20_timer.c b/trunk/drivers/clocksource/tegra20_timer.c index bc4b8ad78aea..ae877b021b54 100644 --- a/trunk/drivers/clocksource/tegra20_timer.c +++ b/trunk/drivers/clocksource/tegra20_timer.c @@ -154,29 +154,12 @@ static struct irqaction tegra_timer_irq = { .dev_id = &tegra_clockevent, }; -static const struct of_device_id timer_match[] __initconst = { - { .compatible = "nvidia,tegra20-timer" }, - {} -}; - -static const struct of_device_id rtc_match[] __initconst = { - { .compatible = "nvidia,tegra20-rtc" }, - {} -}; - -static void __init tegra20_init_timer(void) +static void __init tegra20_init_timer(struct device_node *np) { - struct device_node *np; struct clk *clk; unsigned long rate; int ret; - np = of_find_matching_node(NULL, timer_match); - if (!np) { - pr_err("Failed to find timer DT node\n"); - BUG(); - } - timer_reg_base = of_iomap(np, 0); if (!timer_reg_base) { pr_err("Can't map timer registers\n"); @@ -200,30 +183,6 @@ static void __init tegra20_init_timer(void) of_node_put(np); - np = of_find_matching_node(NULL, rtc_match); - if (!np) { - pr_err("Failed to find RTC DT node\n"); - BUG(); - } - - rtc_base = of_iomap(np, 0); - if (!rtc_base) { - pr_err("Can't map RTC registers"); - BUG(); - } - - /* - * rtc registers are used by read_persistent_clock, keep the rtc clock - * enabled - */ - clk = of_clk_get(np, 0); - if (IS_ERR(clk)) - pr_warn("Unable to get rtc-tegra clock\n"); - else - clk_prepare_enable(clk); - - of_node_put(np); - switch (rate) { case 12000000: timer_writel(0x000b, TIMERUS_USEC_CFG); @@ -259,12 +218,34 @@ static void __init tegra20_init_timer(void) tegra_clockevent.irq = tegra_timer_irq.irq; clockevents_config_and_register(&tegra_clockevent, 1000000, 0x1, 0x1fffffff); -#ifdef CONFIG_HAVE_ARM_TWD - twd_local_timer_of_register(); -#endif +} +CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer); + +static void __init tegra20_init_rtc(struct device_node *np) +{ + struct clk *clk; + + rtc_base = of_iomap(np, 0); + if (!rtc_base) { + pr_err("Can't map RTC registers"); + BUG(); + } + + /* + * rtc registers are used by read_persistent_clock, keep the rtc clock + * enabled + */ + clk = of_clk_get(np, 0); + if (IS_ERR(clk)) + pr_warn("Unable to get rtc-tegra clock\n"); + else + clk_prepare_enable(clk); + + of_node_put(np); + register_persistent_clock(NULL, tegra_read_persistent_clock); } -CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer); +CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc); #ifdef CONFIG_PM static u32 usec_config; diff --git a/trunk/drivers/clocksource/vt8500_timer.c b/trunk/drivers/clocksource/vt8500_timer.c index 8efc86b5b5dd..242255285597 100644 --- a/trunk/drivers/clocksource/vt8500_timer.c +++ b/trunk/drivers/clocksource/vt8500_timer.c @@ -129,22 +129,10 @@ static struct irqaction irq = { .dev_id = &clockevent, }; -static struct of_device_id vt8500_timer_ids[] = { - { .compatible = "via,vt8500-timer" }, - { } -}; - -static void __init vt8500_timer_init(void) +static void __init vt8500_timer_init(struct device_node *np) { - struct device_node *np; int timer_irq; - np = of_find_matching_node(NULL, vt8500_timer_ids); - if (!np) { - pr_err("%s: Timer description missing from Device Tree\n", - __func__); - return; - } regbase = of_iomap(np, 0); if (!regbase) { pr_err("%s: Missing iobase description in Device Tree\n", diff --git a/trunk/drivers/cpufreq/acpi-cpufreq.c b/trunk/drivers/cpufreq/acpi-cpufreq.c index 937bc286591f..57a8774f0b4e 100644 --- a/trunk/drivers/cpufreq/acpi-cpufreq.c +++ b/trunk/drivers/cpufreq/acpi-cpufreq.c @@ -730,7 +730,6 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) { cpumask_copy(policy->cpus, perf->shared_cpu_map); } - cpumask_copy(policy->related_cpus, perf->shared_cpu_map); #ifdef CONFIG_SMP dmi_check_system(sw_any_bug_dmi_table); @@ -742,7 +741,6 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) if (check_amd_hwpstate_cpu(cpu) && !acpi_pstate_strict) { cpumask_clear(policy->cpus); cpumask_set_cpu(cpu, policy->cpus); - cpumask_copy(policy->related_cpus, cpu_sibling_mask(cpu)); policy->shared_type = CPUFREQ_SHARED_TYPE_HW; pr_info_once(PFX "overriding BIOS provided _PSD data\n"); } diff --git a/trunk/drivers/cpufreq/cpufreq_stats.c b/trunk/drivers/cpufreq/cpufreq_stats.c index 2fd779eb1ed1..bfd6273fd873 100644 --- a/trunk/drivers/cpufreq/cpufreq_stats.c +++ b/trunk/drivers/cpufreq/cpufreq_stats.c @@ -180,15 +180,19 @@ static void cpufreq_stats_free_sysfs(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); - if (!cpufreq_frequency_get_table(cpu)) + if (!policy) return; - if (policy && !policy_is_shared(policy)) { + if (!cpufreq_frequency_get_table(cpu)) + goto put_ref; + + if (!policy_is_shared(policy)) { pr_debug("%s: Free sysfs stat\n", __func__); sysfs_remove_group(&policy->kobj, &stats_attr_group); } - if (policy) - cpufreq_cpu_put(policy); + +put_ref: + cpufreq_cpu_put(policy); } static int cpufreq_stats_create_table(struct cpufreq_policy *policy, diff --git a/trunk/drivers/cpufreq/intel_pstate.c b/trunk/drivers/cpufreq/intel_pstate.c index f6dd1e761129..ad72922919ed 100644 --- a/trunk/drivers/cpufreq/intel_pstate.c +++ b/trunk/drivers/cpufreq/intel_pstate.c @@ -358,14 +358,14 @@ static void intel_pstate_sysfs_expose_params(void) static int intel_pstate_min_pstate(void) { u64 value; - rdmsrl(0xCE, value); + rdmsrl(MSR_PLATFORM_INFO, value); return (value >> 40) & 0xFF; } static int intel_pstate_max_pstate(void) { u64 value; - rdmsrl(0xCE, value); + rdmsrl(MSR_PLATFORM_INFO, value); return (value >> 8) & 0xFF; } @@ -373,7 +373,7 @@ static int intel_pstate_turbo_pstate(void) { u64 value; int nont, ret; - rdmsrl(0x1AD, value); + rdmsrl(MSR_NHM_TURBO_RATIO_LIMIT, value); nont = intel_pstate_max_pstate(); ret = ((value) & 255); if (ret <= nont) @@ -454,7 +454,7 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu, sample->idletime_us * 100, sample->duration_us); core_pct = div64_u64(sample->aperf * 100, sample->mperf); - sample->freq = cpu->pstate.turbo_pstate * core_pct * 1000; + sample->freq = cpu->pstate.max_pstate * core_pct * 1000; sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct), 100); @@ -752,6 +752,29 @@ static struct cpufreq_driver intel_pstate_driver = { static int __initdata no_load; +static int intel_pstate_msrs_not_valid(void) +{ + /* Check that all the msr's we are using are valid. */ + u64 aperf, mperf, tmp; + + rdmsrl(MSR_IA32_APERF, aperf); + rdmsrl(MSR_IA32_MPERF, mperf); + + if (!intel_pstate_min_pstate() || + !intel_pstate_max_pstate() || + !intel_pstate_turbo_pstate()) + return -ENODEV; + + rdmsrl(MSR_IA32_APERF, tmp); + if (!(tmp - aperf)) + return -ENODEV; + + rdmsrl(MSR_IA32_MPERF, tmp); + if (!(tmp - mperf)) + return -ENODEV; + + return 0; +} static int __init intel_pstate_init(void) { int cpu, rc = 0; @@ -764,6 +787,9 @@ static int __init intel_pstate_init(void) if (!id) return -ENODEV; + if (intel_pstate_msrs_not_valid()) + return -ENODEV; + pr_info("Intel P-state driver initializing.\n"); all_cpu_data = vmalloc(sizeof(void *) * num_possible_cpus()); diff --git a/trunk/drivers/crypto/caam/caamalg.c b/trunk/drivers/crypto/caam/caamalg.c index b2a0a0726a54..cf268b14ae9a 100644 --- a/trunk/drivers/crypto/caam/caamalg.c +++ b/trunk/drivers/crypto/caam/caamalg.c @@ -1650,11 +1650,7 @@ struct caam_alg_template { }; static struct caam_alg_template driver_algs[] = { - /* - * single-pass ipsec_esp descriptor - * authencesn(*,*) is also registered, although not present - * explicitly here. - */ + /* single-pass ipsec_esp descriptor */ { .name = "authenc(hmac(md5),cbc(aes))", .driver_name = "authenc-hmac-md5-cbc-aes-caam", @@ -2217,9 +2213,7 @@ static int __init caam_algapi_init(void) for (i = 0; i < ARRAY_SIZE(driver_algs); i++) { /* TODO: check if h/w supports alg */ struct caam_crypto_alg *t_alg; - bool done = false; -authencesn: t_alg = caam_alg_alloc(ctrldev, &driver_algs[i]); if (IS_ERR(t_alg)) { err = PTR_ERR(t_alg); @@ -2233,25 +2227,8 @@ static int __init caam_algapi_init(void) dev_warn(ctrldev, "%s alg registration failed\n", t_alg->crypto_alg.cra_driver_name); kfree(t_alg); - } else { + } else list_add_tail(&t_alg->entry, &priv->alg_list); - if (driver_algs[i].type == CRYPTO_ALG_TYPE_AEAD && - !memcmp(driver_algs[i].name, "authenc", 7) && - !done) { - char *name; - - name = driver_algs[i].name; - memmove(name + 10, name + 7, strlen(name) - 7); - memcpy(name + 7, "esn", 3); - - name = driver_algs[i].driver_name; - memmove(name + 10, name + 7, strlen(name) - 7); - memcpy(name + 7, "esn", 3); - - done = true; - goto authencesn; - } - } } if (!list_empty(&priv->alg_list)) dev_info(ctrldev, "%s algorithms registered in /proc/crypto\n", diff --git a/trunk/drivers/crypto/caam/compat.h b/trunk/drivers/crypto/caam/compat.h index cf15e7813801..762aeff626ac 100644 --- a/trunk/drivers/crypto/caam/compat.h +++ b/trunk/drivers/crypto/caam/compat.h @@ -23,7 +23,6 @@ #include #include #include -#include #include #include diff --git a/trunk/drivers/crypto/talitos.c b/trunk/drivers/crypto/talitos.c index 09b184adf31b..5b2b5e61e4f9 100644 --- a/trunk/drivers/crypto/talitos.c +++ b/trunk/drivers/crypto/talitos.c @@ -38,7 +38,6 @@ #include #include #include -#include #include #include @@ -1974,11 +1973,7 @@ struct talitos_alg_template { }; static struct talitos_alg_template driver_algs[] = { - /* - * AEAD algorithms. These use a single-pass ipsec_esp descriptor. - * authencesn(*,*) is also registered, although not present - * explicitly here. - */ + /* AEAD algorithms. These use a single-pass ipsec_esp descriptor */ { .type = CRYPTO_ALG_TYPE_AEAD, .alg.crypto = { .cra_name = "authenc(hmac(sha1),cbc(aes))", @@ -2820,9 +2815,7 @@ static int talitos_probe(struct platform_device *ofdev) if (hw_supports(dev, driver_algs[i].desc_hdr_template)) { struct talitos_crypto_alg *t_alg; char *name = NULL; - bool authenc = false; -authencesn: t_alg = talitos_alg_alloc(dev, &driver_algs[i]); if (IS_ERR(t_alg)) { err = PTR_ERR(t_alg); @@ -2837,8 +2830,6 @@ static int talitos_probe(struct platform_device *ofdev) err = crypto_register_alg( &t_alg->algt.alg.crypto); name = t_alg->algt.alg.crypto.cra_driver_name; - authenc = authenc ? !authenc : - !(bool)memcmp(name, "authenc", 7); break; case CRYPTO_ALG_TYPE_AHASH: err = crypto_register_ahash( @@ -2851,25 +2842,8 @@ static int talitos_probe(struct platform_device *ofdev) dev_err(dev, "%s alg registration failed\n", name); kfree(t_alg); - } else { + } else list_add_tail(&t_alg->entry, &priv->alg_list); - if (authenc) { - struct crypto_alg *alg = - &driver_algs[i].alg.crypto; - - name = alg->cra_name; - memmove(name + 10, name + 7, - strlen(name) - 7); - memcpy(name + 7, "esn", 3); - - name = alg->cra_driver_name; - memmove(name + 10, name + 7, - strlen(name) - 7); - memcpy(name + 7, "esn", 3); - - goto authencesn; - } - } } } if (!list_empty(&priv->alg_list)) diff --git a/trunk/drivers/dma/dw_dmac.c b/trunk/drivers/dma/dw_dmac.c index c599558faeda..43a5329d4483 100644 --- a/trunk/drivers/dma/dw_dmac.c +++ b/trunk/drivers/dma/dw_dmac.c @@ -1001,6 +1001,13 @@ static inline void convert_burst(u32 *maxburst) *maxburst = 0; } +static inline void convert_slave_id(struct dw_dma_chan *dwc) +{ + struct dw_dma *dw = to_dw_dma(dwc->chan.device); + + dwc->dma_sconfig.slave_id -= dw->request_line_base; +} + static int set_runtime_config(struct dma_chan *chan, struct dma_slave_config *sconfig) { @@ -1015,6 +1022,7 @@ set_runtime_config(struct dma_chan *chan, struct dma_slave_config *sconfig) convert_burst(&dwc->dma_sconfig.src_maxburst); convert_burst(&dwc->dma_sconfig.dst_maxburst); + convert_slave_id(dwc); return 0; } @@ -1276,9 +1284,9 @@ static struct dma_chan *dw_dma_xlate(struct of_phandle_args *dma_spec, if (dma_spec->args_count != 3) return NULL; - fargs.req = be32_to_cpup(dma_spec->args+0); - fargs.src = be32_to_cpup(dma_spec->args+1); - fargs.dst = be32_to_cpup(dma_spec->args+2); + fargs.req = dma_spec->args[0]; + fargs.src = dma_spec->args[1]; + fargs.dst = dma_spec->args[2]; if (WARN_ON(fargs.req >= DW_DMA_MAX_NR_REQUESTS || fargs.src >= dw->nr_masters || @@ -1628,6 +1636,7 @@ dw_dma_parse_dt(struct platform_device *pdev) static int dw_probe(struct platform_device *pdev) { + const struct platform_device_id *match; struct dw_dma_platform_data *pdata; struct resource *io; struct dw_dma *dw; @@ -1711,6 +1720,11 @@ static int dw_probe(struct platform_device *pdev) memcpy(dw->data_width, pdata->data_width, 4); } + /* Get the base request line if set */ + match = platform_get_device_id(pdev); + if (match) + dw->request_line_base = (unsigned int)match->driver_data; + /* Calculate all channel mask before DMA setup */ dw->all_chan_mask = (1 << nr_channels) - 1; @@ -1906,7 +1920,8 @@ MODULE_DEVICE_TABLE(of, dw_dma_id_table); #endif static const struct platform_device_id dw_dma_ids[] = { - { "INTL9C60", 0 }, + /* Name, Request Line Base */ + { "INTL9C60", (kernel_ulong_t)16 }, { } }; diff --git a/trunk/drivers/dma/dw_dmac_regs.h b/trunk/drivers/dma/dw_dmac_regs.h index cf0ce5c77d60..4d02c3669b75 100644 --- a/trunk/drivers/dma/dw_dmac_regs.h +++ b/trunk/drivers/dma/dw_dmac_regs.h @@ -247,6 +247,7 @@ struct dw_dma { /* hardware configuration */ unsigned char nr_masters; unsigned char data_width[4]; + unsigned int request_line_base; struct dw_dma_chan chan[0]; }; diff --git a/trunk/drivers/dma/mxs-dma.c b/trunk/drivers/dma/mxs-dma.c index 8f6d30d37c45..b48a79c28845 100644 --- a/trunk/drivers/dma/mxs-dma.c +++ b/trunk/drivers/dma/mxs-dma.c @@ -27,6 +27,7 @@ #include #include #include +#include #include @@ -139,6 +140,8 @@ struct mxs_dma_engine { struct dma_device dma_device; struct device_dma_parameters dma_parms; struct mxs_dma_chan mxs_chans[MXS_DMA_CHANNELS]; + struct platform_device *pdev; + unsigned int nr_channels; }; struct mxs_dma_type { @@ -350,10 +353,8 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan) struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; int ret; - if (!data) - return -EINVAL; - - mxs_chan->chan_irq = data->chan_irq; + if (data) + mxs_chan->chan_irq = data->chan_irq; mxs_chan->ccw = dma_alloc_coherent(mxs_dma->dma_device.dev, CCW_BLOCK_SIZE, &mxs_chan->ccw_phys, @@ -665,8 +666,55 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) return ret; } +struct mxs_dma_filter_param { + struct device_node *of_node; + unsigned int chan_id; +}; + +static bool mxs_dma_filter_fn(struct dma_chan *chan, void *fn_param) +{ + struct mxs_dma_filter_param *param = fn_param; + struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan); + struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; + int chan_irq; + + if (mxs_dma->dma_device.dev->of_node != param->of_node) + return false; + + if (chan->chan_id != param->chan_id) + return false; + + chan_irq = platform_get_irq(mxs_dma->pdev, param->chan_id); + if (chan_irq < 0) + return false; + + mxs_chan->chan_irq = chan_irq; + + return true; +} + +struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + struct mxs_dma_engine *mxs_dma = ofdma->of_dma_data; + dma_cap_mask_t mask = mxs_dma->dma_device.cap_mask; + struct mxs_dma_filter_param param; + + if (dma_spec->args_count != 1) + return NULL; + + param.of_node = ofdma->of_node; + param.chan_id = dma_spec->args[0]; + + if (param.chan_id >= mxs_dma->nr_channels) + return NULL; + + return dma_request_channel(mask, mxs_dma_filter_fn, ¶m); +} + static int __init mxs_dma_probe(struct platform_device *pdev) { + struct device_node *np = pdev->dev.of_node; const struct platform_device_id *id_entry; const struct of_device_id *of_id; const struct mxs_dma_type *dma_type; @@ -674,10 +722,16 @@ static int __init mxs_dma_probe(struct platform_device *pdev) struct resource *iores; int ret, i; - mxs_dma = kzalloc(sizeof(*mxs_dma), GFP_KERNEL); + mxs_dma = devm_kzalloc(&pdev->dev, sizeof(*mxs_dma), GFP_KERNEL); if (!mxs_dma) return -ENOMEM; + ret = of_property_read_u32(np, "dma-channels", &mxs_dma->nr_channels); + if (ret) { + dev_err(&pdev->dev, "failed to read dma-channels\n"); + return ret; + } + of_id = of_match_device(mxs_dma_dt_ids, &pdev->dev); if (of_id) id_entry = of_id->data; @@ -689,24 +743,13 @@ static int __init mxs_dma_probe(struct platform_device *pdev) mxs_dma->dev_id = dma_type->id; iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mxs_dma->base = devm_ioremap_resource(&pdev->dev, iores); + if (IS_ERR(mxs_dma->base)) + return PTR_ERR(mxs_dma->base); - if (!request_mem_region(iores->start, resource_size(iores), - pdev->name)) { - ret = -EBUSY; - goto err_request_region; - } - - mxs_dma->base = ioremap(iores->start, resource_size(iores)); - if (!mxs_dma->base) { - ret = -ENOMEM; - goto err_ioremap; - } - - mxs_dma->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(mxs_dma->clk)) { - ret = PTR_ERR(mxs_dma->clk); - goto err_clk; - } + mxs_dma->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(mxs_dma->clk)) + return PTR_ERR(mxs_dma->clk); dma_cap_set(DMA_SLAVE, mxs_dma->dma_device.cap_mask); dma_cap_set(DMA_CYCLIC, mxs_dma->dma_device.cap_mask); @@ -732,8 +775,9 @@ static int __init mxs_dma_probe(struct platform_device *pdev) ret = mxs_dma_init(mxs_dma); if (ret) - goto err_init; + return ret; + mxs_dma->pdev = pdev; mxs_dma->dma_device.dev = &pdev->dev; /* mxs_dma gets 65535 bytes maximum sg size */ @@ -751,22 +795,19 @@ static int __init mxs_dma_probe(struct platform_device *pdev) ret = dma_async_device_register(&mxs_dma->dma_device); if (ret) { dev_err(mxs_dma->dma_device.dev, "unable to register\n"); - goto err_init; + return ret; + } + + ret = of_dma_controller_register(np, mxs_dma_xlate, mxs_dma); + if (ret) { + dev_err(mxs_dma->dma_device.dev, + "failed to register controller\n"); + dma_async_device_unregister(&mxs_dma->dma_device); } dev_info(mxs_dma->dma_device.dev, "initialized\n"); return 0; - -err_init: - clk_put(mxs_dma->clk); -err_clk: - iounmap(mxs_dma->base); -err_ioremap: - release_mem_region(iores->start, resource_size(iores)); -err_request_region: - kfree(mxs_dma); - return ret; } static struct platform_driver mxs_dma_driver = { diff --git a/trunk/drivers/extcon/extcon-max77693.c b/trunk/drivers/extcon/extcon-max77693.c index b70e3815c459..8f3c947b0029 100644 --- a/trunk/drivers/extcon/extcon-max77693.c +++ b/trunk/drivers/extcon/extcon-max77693.c @@ -32,6 +32,38 @@ #define DEV_NAME "max77693-muic" #define DELAY_MS_DEFAULT 20000 /* unit: millisecond */ +/* + * Default value of MAX77693 register to bring up MUIC device. + * If user don't set some initial value for MUIC device through platform data, + * extcon-max77693 driver use 'default_init_data' to bring up base operation + * of MAX77693 MUIC device. + */ +struct max77693_reg_data default_init_data[] = { + { + /* STATUS2 - [3]ChgDetRun */ + .addr = MAX77693_MUIC_REG_STATUS2, + .data = STATUS2_CHGDETRUN_MASK, + }, { + /* INTMASK1 - Unmask [3]ADC1KM,[0]ADCM */ + .addr = MAX77693_MUIC_REG_INTMASK1, + .data = INTMASK1_ADC1K_MASK + | INTMASK1_ADC_MASK, + }, { + /* INTMASK2 - Unmask [0]ChgTypM */ + .addr = MAX77693_MUIC_REG_INTMASK2, + .data = INTMASK2_CHGTYP_MASK, + }, { + /* INTMASK3 - Mask all of interrupts */ + .addr = MAX77693_MUIC_REG_INTMASK3, + .data = 0x0, + }, { + /* CDETCTRL2 */ + .addr = MAX77693_MUIC_REG_CDETCTRL2, + .data = CDETCTRL2_VIDRMEN_MASK + | CDETCTRL2_DXOVPEN_MASK, + }, +}; + enum max77693_muic_adc_debounce_time { ADC_DEBOUNCE_TIME_5MS = 0, ADC_DEBOUNCE_TIME_10MS, @@ -1045,8 +1077,9 @@ static int max77693_muic_probe(struct platform_device *pdev) { struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent); struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev); - struct max77693_muic_platform_data *muic_pdata = pdata->muic_data; struct max77693_muic_info *info; + struct max77693_reg_data *init_data; + int num_init_data; int delay_jiffies; int ret; int i; @@ -1145,15 +1178,25 @@ static int max77693_muic_probe(struct platform_device *pdev) goto err_irq; } - /* Initialize MUIC register by using platform data */ - for (i = 0 ; i < muic_pdata->num_init_data ; i++) { - enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR; + + /* Initialize MUIC register by using platform data or default data */ + if (pdata->muic_data) { + init_data = pdata->muic_data->init_data; + num_init_data = pdata->muic_data->num_init_data; + } else { + init_data = default_init_data; + num_init_data = ARRAY_SIZE(default_init_data); + } + + for (i = 0 ; i < num_init_data ; i++) { + enum max77693_irq_source irq_src + = MAX77693_IRQ_GROUP_NR; max77693_write_reg(info->max77693->regmap_muic, - muic_pdata->init_data[i].addr, - muic_pdata->init_data[i].data); + init_data[i].addr, + init_data[i].data); - switch (muic_pdata->init_data[i].addr) { + switch (init_data[i].addr) { case MAX77693_MUIC_REG_INTMASK1: irq_src = MUIC_INT1; break; @@ -1167,22 +1210,40 @@ static int max77693_muic_probe(struct platform_device *pdev) if (irq_src < MAX77693_IRQ_GROUP_NR) info->max77693->irq_masks_cur[irq_src] - = muic_pdata->init_data[i].data; + = init_data[i].data; } - /* - * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB - * h/w path of COMP2/COMN1 on CONTROL1 register. - */ - if (muic_pdata->path_uart) - info->path_uart = muic_pdata->path_uart; - else - info->path_uart = CONTROL1_SW_UART; + if (pdata->muic_data) { + struct max77693_muic_platform_data *muic_pdata = pdata->muic_data; - if (muic_pdata->path_usb) - info->path_usb = muic_pdata->path_usb; - else + /* + * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB + * h/w path of COMP2/COMN1 on CONTROL1 register. + */ + if (muic_pdata->path_uart) + info->path_uart = muic_pdata->path_uart; + else + info->path_uart = CONTROL1_SW_UART; + + if (muic_pdata->path_usb) + info->path_usb = muic_pdata->path_usb; + else + info->path_usb = CONTROL1_SW_USB; + + /* + * Default delay time for detecting cable state + * after certain time. + */ + if (muic_pdata->detcable_delay_ms) + delay_jiffies = + msecs_to_jiffies(muic_pdata->detcable_delay_ms); + else + delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); + } else { info->path_usb = CONTROL1_SW_USB; + info->path_uart = CONTROL1_SW_UART; + delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); + } /* Set initial path for UART */ max77693_muic_set_path(info, info->path_uart, true); @@ -1208,10 +1269,6 @@ static int max77693_muic_probe(struct platform_device *pdev) * driver should notify cable state to upper layer. */ INIT_DELAYED_WORK(&info->wq_detcable, max77693_muic_detect_cable_wq); - if (muic_pdata->detcable_delay_ms) - delay_jiffies = msecs_to_jiffies(muic_pdata->detcable_delay_ms); - else - delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); schedule_delayed_work(&info->wq_detcable, delay_jiffies); return ret; diff --git a/trunk/drivers/extcon/extcon-max8997.c b/trunk/drivers/extcon/extcon-max8997.c index e636d950ad6c..69641bcae325 100644 --- a/trunk/drivers/extcon/extcon-max8997.c +++ b/trunk/drivers/extcon/extcon-max8997.c @@ -712,29 +712,45 @@ static int max8997_muic_probe(struct platform_device *pdev) goto err_irq; } - /* Initialize registers according to platform data */ if (pdata->muic_pdata) { - struct max8997_muic_platform_data *mdata = info->muic_pdata; - - for (i = 0; i < mdata->num_init_data; i++) { - max8997_write_reg(info->muic, mdata->init_data[i].addr, - mdata->init_data[i].data); + struct max8997_muic_platform_data *muic_pdata + = pdata->muic_pdata; + + /* Initialize registers according to platform data */ + for (i = 0; i < muic_pdata->num_init_data; i++) { + max8997_write_reg(info->muic, + muic_pdata->init_data[i].addr, + muic_pdata->init_data[i].data); } - } - /* - * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB - * h/w path of COMP2/COMN1 on CONTROL1 register. - */ - if (pdata->muic_pdata->path_uart) - info->path_uart = pdata->muic_pdata->path_uart; - else - info->path_uart = CONTROL1_SW_UART; + /* + * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB + * h/w path of COMP2/COMN1 on CONTROL1 register. + */ + if (muic_pdata->path_uart) + info->path_uart = muic_pdata->path_uart; + else + info->path_uart = CONTROL1_SW_UART; - if (pdata->muic_pdata->path_usb) - info->path_usb = pdata->muic_pdata->path_usb; - else + if (muic_pdata->path_usb) + info->path_usb = muic_pdata->path_usb; + else + info->path_usb = CONTROL1_SW_USB; + + /* + * Default delay time for detecting cable state + * after certain time. + */ + if (muic_pdata->detcable_delay_ms) + delay_jiffies = + msecs_to_jiffies(muic_pdata->detcable_delay_ms); + else + delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); + } else { + info->path_uart = CONTROL1_SW_UART; info->path_usb = CONTROL1_SW_USB; + delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); + } /* Set initial path for UART */ max8997_muic_set_path(info, info->path_uart, true); @@ -751,10 +767,6 @@ static int max8997_muic_probe(struct platform_device *pdev) * driver should notify cable state to upper layer. */ INIT_DELAYED_WORK(&info->wq_detcable, max8997_muic_detect_cable_wq); - if (pdata->muic_pdata->detcable_delay_ms) - delay_jiffies = msecs_to_jiffies(pdata->muic_pdata->detcable_delay_ms); - else - delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); schedule_delayed_work(&info->wq_detcable, delay_jiffies); return 0; diff --git a/trunk/drivers/firmware/Kconfig b/trunk/drivers/firmware/Kconfig index 9b00072a020f..42c759a4d047 100644 --- a/trunk/drivers/firmware/Kconfig +++ b/trunk/drivers/firmware/Kconfig @@ -53,6 +53,24 @@ config EFI_VARS Subsequent efibootmgr releases may be found at: +config EFI_VARS_PSTORE + bool "Register efivars backend for pstore" + depends on EFI_VARS && PSTORE + default y + help + Say Y here to enable use efivars as a backend to pstore. This + will allow writing console messages, crash dumps, or anything + else supported by pstore to EFI variables. + +config EFI_VARS_PSTORE_DEFAULT_DISABLE + bool "Disable using efivars as a pstore backend by default" + depends on EFI_VARS_PSTORE + default n + help + Saying Y here will disable the use of efivars as a storage + backend for pstore by default. This setting can be overridden + using the efivars module's pstore_disable parameter. + config EFI_PCDP bool "Console device selection via EFI PCDP or HCDP table" depends on ACPI && EFI && IA64 diff --git a/trunk/drivers/firmware/efivars.c b/trunk/drivers/firmware/efivars.c index fe62aa392239..7acafb80fd4c 100644 --- a/trunk/drivers/firmware/efivars.c +++ b/trunk/drivers/firmware/efivars.c @@ -103,6 +103,11 @@ MODULE_VERSION(EFIVARS_VERSION); */ #define GUID_LEN 36 +static bool efivars_pstore_disable = + IS_ENABLED(CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE); + +module_param_named(pstore_disable, efivars_pstore_disable, bool, 0644); + /* * The maximum size of VariableName + Data = 1024 * Therefore, it's reasonable to save that much @@ -165,6 +170,7 @@ efivar_create_sysfs_entry(struct efivars *efivars, static void efivar_update_sysfs_entries(struct work_struct *); static DECLARE_WORK(efivar_work, efivar_update_sysfs_entries); +static bool efivar_wq_enabled = true; /* Return the number of unicode characters in data */ static unsigned long @@ -1309,9 +1315,7 @@ static const struct inode_operations efivarfs_dir_inode_operations = { .create = efivarfs_create, }; -static struct pstore_info efi_pstore_info; - -#ifdef CONFIG_PSTORE +#ifdef CONFIG_EFI_VARS_PSTORE static int efi_pstore_open(struct pstore_info *psi) { @@ -1441,7 +1445,7 @@ static int efi_pstore_write(enum pstore_type_id type, spin_unlock_irqrestore(&efivars->lock, flags); - if (reason == KMSG_DUMP_OOPS) + if (reason == KMSG_DUMP_OOPS && efivar_wq_enabled) schedule_work(&efivar_work); *id = part; @@ -1514,38 +1518,6 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, return 0; } -#else -static int efi_pstore_open(struct pstore_info *psi) -{ - return 0; -} - -static int efi_pstore_close(struct pstore_info *psi) -{ - return 0; -} - -static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type, int *count, - struct timespec *timespec, - char **buf, struct pstore_info *psi) -{ - return -1; -} - -static int efi_pstore_write(enum pstore_type_id type, - enum kmsg_dump_reason reason, u64 *id, - unsigned int part, int count, size_t size, - struct pstore_info *psi) -{ - return 0; -} - -static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, - struct timespec time, struct pstore_info *psi) -{ - return 0; -} -#endif static struct pstore_info efi_pstore_info = { .owner = THIS_MODULE, @@ -1557,6 +1529,24 @@ static struct pstore_info efi_pstore_info = { .erase = efi_pstore_erase, }; +static void efivar_pstore_register(struct efivars *efivars) +{ + efivars->efi_pstore_info = efi_pstore_info; + efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL); + if (efivars->efi_pstore_info.buf) { + efivars->efi_pstore_info.bufsize = 1024; + efivars->efi_pstore_info.data = efivars; + spin_lock_init(&efivars->efi_pstore_info.buf_lock); + pstore_register(&efivars->efi_pstore_info); + } +} +#else +static void efivar_pstore_register(struct efivars *efivars) +{ + return; +} +#endif + static ssize_t efivar_create(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t pos, size_t count) @@ -1716,6 +1706,31 @@ static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor) return found; } +/* + * Returns the size of variable_name, in bytes, including the + * terminating NULL character, or variable_name_size if no NULL + * character is found among the first variable_name_size bytes. + */ +static unsigned long var_name_strnsize(efi_char16_t *variable_name, + unsigned long variable_name_size) +{ + unsigned long len; + efi_char16_t c; + + /* + * The variable name is, by definition, a NULL-terminated + * string, so make absolutely sure that variable_name_size is + * the value we expect it to be. If not, return the real size. + */ + for (len = 2; len <= variable_name_size; len += sizeof(c)) { + c = variable_name[(len / sizeof(c)) - 1]; + if (!c) + break; + } + + return min(len, variable_name_size); +} + static void efivar_update_sysfs_entries(struct work_struct *work) { struct efivars *efivars = &__efivars; @@ -1756,10 +1771,13 @@ static void efivar_update_sysfs_entries(struct work_struct *work) if (!found) { kfree(variable_name); break; - } else + } else { + variable_name_size = var_name_strnsize(variable_name, + variable_name_size); efivar_create_sysfs_entry(efivars, variable_name_size, variable_name, &vendor); + } } } @@ -1958,6 +1976,35 @@ void unregister_efivars(struct efivars *efivars) } EXPORT_SYMBOL_GPL(unregister_efivars); +/* + * Print a warning when duplicate EFI variables are encountered and + * disable the sysfs workqueue since the firmware is buggy. + */ +static void dup_variable_bug(efi_char16_t *s16, efi_guid_t *vendor_guid, + unsigned long len16) +{ + size_t i, len8 = len16 / sizeof(efi_char16_t); + char *s8; + + /* + * Disable the workqueue since the algorithm it uses for + * detecting new variables won't work with this buggy + * implementation of GetNextVariableName(). + */ + efivar_wq_enabled = false; + + s8 = kzalloc(len8, GFP_KERNEL); + if (!s8) + return; + + for (i = 0; i < len8; i++) + s8[i] = s16[i]; + + printk(KERN_WARNING "efivars: duplicate variable: %s-%pUl\n", + s8, vendor_guid); + kfree(s8); +} + int register_efivars(struct efivars *efivars, const struct efivar_operations *ops, struct kobject *parent_kobj) @@ -2006,6 +2053,24 @@ int register_efivars(struct efivars *efivars, &vendor_guid); switch (status) { case EFI_SUCCESS: + variable_name_size = var_name_strnsize(variable_name, + variable_name_size); + + /* + * Some firmware implementations return the + * same variable name on multiple calls to + * get_next_variable(). Terminate the loop + * immediately as there is no guarantee that + * we'll ever see a different variable name, + * and may end up looping here forever. + */ + if (variable_is_present(variable_name, &vendor_guid)) { + dup_variable_bug(variable_name, &vendor_guid, + variable_name_size); + status = EFI_NOT_FOUND; + break; + } + efivar_create_sysfs_entry(efivars, variable_name_size, variable_name, @@ -2025,15 +2090,8 @@ int register_efivars(struct efivars *efivars, if (error) unregister_efivars(efivars); - efivars->efi_pstore_info = efi_pstore_info; - - efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL); - if (efivars->efi_pstore_info.buf) { - efivars->efi_pstore_info.bufsize = 1024; - efivars->efi_pstore_info.data = efivars; - spin_lock_init(&efivars->efi_pstore_info.buf_lock); - pstore_register(&efivars->efi_pstore_info); - } + if (!efivars_pstore_disable) + efivar_pstore_register(efivars); register_filesystem(&efivarfs_type); diff --git a/trunk/drivers/gpio/gpiolib-of.c b/trunk/drivers/gpio/gpiolib-of.c index a71a54a3e3f7..5150df6cba08 100644 --- a/trunk/drivers/gpio/gpiolib-of.c +++ b/trunk/drivers/gpio/gpiolib-of.c @@ -193,7 +193,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip) if (!np) return; - do { + for (;; index++) { ret = of_parse_phandle_with_args(np, "gpio-ranges", "#gpio-range-cells", index, &pinspec); if (ret) @@ -222,8 +222,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip) if (ret) break; - - } while (index++); + } } #else diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/trunk/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 36493ce71f9a..98cc14725ba9 100644 --- a/trunk/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/trunk/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -38,11 +38,12 @@ /* position control register for hardware window 0, 2 ~ 4.*/ #define VIDOSD_A(win) (VIDOSD_BASE + 0x00 + (win) * 16) #define VIDOSD_B(win) (VIDOSD_BASE + 0x04 + (win) * 16) -/* size control register for hardware window 0. */ -#define VIDOSD_C_SIZE_W0 (VIDOSD_BASE + 0x08) -/* alpha control register for hardware window 1 ~ 4. */ -#define VIDOSD_C(win) (VIDOSD_BASE + 0x18 + (win) * 16) -/* size control register for hardware window 1 ~ 4. */ +/* + * size control register for hardware windows 0 and alpha control register + * for hardware windows 1 ~ 4 + */ +#define VIDOSD_C(win) (VIDOSD_BASE + 0x08 + (win) * 16) +/* size control register for hardware windows 1 ~ 2. */ #define VIDOSD_D(win) (VIDOSD_BASE + 0x0C + (win) * 16) #define VIDWx_BUF_START(win, buf) (VIDW_BUF_START(buf) + (win) * 8) @@ -50,9 +51,9 @@ #define VIDWx_BUF_SIZE(win, buf) (VIDW_BUF_SIZE(buf) + (win) * 4) /* color key control register for hardware window 1 ~ 4. */ -#define WKEYCON0_BASE(x) ((WKEYCON0 + 0x140) + (x * 8)) +#define WKEYCON0_BASE(x) ((WKEYCON0 + 0x140) + ((x - 1) * 8)) /* color key value register for hardware window 1 ~ 4. */ -#define WKEYCON1_BASE(x) ((WKEYCON1 + 0x140) + (x * 8)) +#define WKEYCON1_BASE(x) ((WKEYCON1 + 0x140) + ((x - 1) * 8)) /* FIMD has totally five hardware windows. */ #define WINDOWS_NR 5 @@ -109,9 +110,9 @@ struct fimd_context { #ifdef CONFIG_OF static const struct of_device_id fimd_driver_dt_match[] = { - { .compatible = "samsung,exynos4-fimd", + { .compatible = "samsung,exynos4210-fimd", .data = &exynos4_fimd_driver_data }, - { .compatible = "samsung,exynos5-fimd", + { .compatible = "samsung,exynos5250-fimd", .data = &exynos5_fimd_driver_data }, {}, }; @@ -581,7 +582,7 @@ static void fimd_win_commit(struct device *dev, int zpos) if (win != 3 && win != 4) { u32 offset = VIDOSD_D(win); if (win == 0) - offset = VIDOSD_C_SIZE_W0; + offset = VIDOSD_C(win); val = win_data->ovl_width * win_data->ovl_height; writel(val, ctx->regs + offset); diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/trunk/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 3b0da0378acf..47a493c8a71f 100644 --- a/trunk/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/trunk/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -48,8 +48,14 @@ /* registers for base address */ #define G2D_SRC_BASE_ADDR 0x0304 +#define G2D_SRC_COLOR_MODE 0x030C +#define G2D_SRC_LEFT_TOP 0x0310 +#define G2D_SRC_RIGHT_BOTTOM 0x0314 #define G2D_SRC_PLANE2_BASE_ADDR 0x0318 #define G2D_DST_BASE_ADDR 0x0404 +#define G2D_DST_COLOR_MODE 0x040C +#define G2D_DST_LEFT_TOP 0x0410 +#define G2D_DST_RIGHT_BOTTOM 0x0414 #define G2D_DST_PLANE2_BASE_ADDR 0x0418 #define G2D_PAT_BASE_ADDR 0x0500 #define G2D_MSK_BASE_ADDR 0x0520 @@ -82,7 +88,7 @@ #define G2D_DMA_LIST_DONE_COUNT_OFFSET 17 /* G2D_DMA_HOLD_CMD */ -#define G2D_USET_HOLD (1 << 2) +#define G2D_USER_HOLD (1 << 2) #define G2D_LIST_HOLD (1 << 1) #define G2D_BITBLT_HOLD (1 << 0) @@ -91,13 +97,27 @@ #define G2D_START_NHOLT (1 << 1) #define G2D_START_BITBLT (1 << 0) +/* buffer color format */ +#define G2D_FMT_XRGB8888 0 +#define G2D_FMT_ARGB8888 1 +#define G2D_FMT_RGB565 2 +#define G2D_FMT_XRGB1555 3 +#define G2D_FMT_ARGB1555 4 +#define G2D_FMT_XRGB4444 5 +#define G2D_FMT_ARGB4444 6 +#define G2D_FMT_PACKED_RGB888 7 +#define G2D_FMT_A8 11 +#define G2D_FMT_L8 12 + +/* buffer valid length */ +#define G2D_LEN_MIN 1 +#define G2D_LEN_MAX 8000 + #define G2D_CMDLIST_SIZE (PAGE_SIZE / 4) #define G2D_CMDLIST_NUM 64 #define G2D_CMDLIST_POOL_SIZE (G2D_CMDLIST_SIZE * G2D_CMDLIST_NUM) #define G2D_CMDLIST_DATA_NUM (G2D_CMDLIST_SIZE / sizeof(u32) - 2) -#define MAX_BUF_ADDR_NR 6 - /* maximum buffer pool size of userptr is 64MB as default */ #define MAX_POOL (64 * 1024 * 1024) @@ -106,6 +126,17 @@ enum { BUF_TYPE_USERPTR, }; +enum g2d_reg_type { + REG_TYPE_NONE = -1, + REG_TYPE_SRC, + REG_TYPE_SRC_PLANE2, + REG_TYPE_DST, + REG_TYPE_DST_PLANE2, + REG_TYPE_PAT, + REG_TYPE_MSK, + MAX_REG_TYPE_NR +}; + /* cmdlist data structure */ struct g2d_cmdlist { u32 head; @@ -113,6 +144,42 @@ struct g2d_cmdlist { u32 last; /* last data offset */ }; +/* + * A structure of buffer description + * + * @format: color format + * @left_x: the x coordinates of left top corner + * @top_y: the y coordinates of left top corner + * @right_x: the x coordinates of right bottom corner + * @bottom_y: the y coordinates of right bottom corner + * + */ +struct g2d_buf_desc { + unsigned int format; + unsigned int left_x; + unsigned int top_y; + unsigned int right_x; + unsigned int bottom_y; +}; + +/* + * A structure of buffer information + * + * @map_nr: manages the number of mapped buffers + * @reg_types: stores regitster type in the order of requested command + * @handles: stores buffer handle in its reg_type position + * @types: stores buffer type in its reg_type position + * @descs: stores buffer description in its reg_type position + * + */ +struct g2d_buf_info { + unsigned int map_nr; + enum g2d_reg_type reg_types[MAX_REG_TYPE_NR]; + unsigned long handles[MAX_REG_TYPE_NR]; + unsigned int types[MAX_REG_TYPE_NR]; + struct g2d_buf_desc descs[MAX_REG_TYPE_NR]; +}; + struct drm_exynos_pending_g2d_event { struct drm_pending_event base; struct drm_exynos_g2d_event event; @@ -131,14 +198,11 @@ struct g2d_cmdlist_userptr { bool in_pool; bool out_of_list; }; - struct g2d_cmdlist_node { struct list_head list; struct g2d_cmdlist *cmdlist; - unsigned int map_nr; - unsigned long handles[MAX_BUF_ADDR_NR]; - unsigned int obj_type[MAX_BUF_ADDR_NR]; dma_addr_t dma_addr; + struct g2d_buf_info buf_info; struct drm_exynos_pending_g2d_event *event; }; @@ -188,6 +252,7 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) struct exynos_drm_subdrv *subdrv = &g2d->subdrv; int nr; int ret; + struct g2d_buf_info *buf_info; init_dma_attrs(&g2d->cmdlist_dma_attrs); dma_set_attr(DMA_ATTR_WRITE_COMBINE, &g2d->cmdlist_dma_attrs); @@ -209,11 +274,17 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) } for (nr = 0; nr < G2D_CMDLIST_NUM; nr++) { + unsigned int i; + node[nr].cmdlist = g2d->cmdlist_pool_virt + nr * G2D_CMDLIST_SIZE; node[nr].dma_addr = g2d->cmdlist_pool + nr * G2D_CMDLIST_SIZE; + buf_info = &node[nr].buf_info; + for (i = 0; i < MAX_REG_TYPE_NR; i++) + buf_info->reg_types[i] = REG_TYPE_NONE; + list_add_tail(&node[nr].list, &g2d->free_cmdlist); } @@ -450,7 +521,7 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, DMA_BIDIRECTIONAL); if (ret < 0) { DRM_ERROR("failed to map sgt with dma region.\n"); - goto err_free_sgt; + goto err_sg_free_table; } g2d_userptr->dma_addr = sgt->sgl[0].dma_address; @@ -467,8 +538,10 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, return &g2d_userptr->dma_addr; -err_free_sgt: +err_sg_free_table: sg_free_table(sgt); + +err_free_sgt: kfree(sgt); sgt = NULL; @@ -506,36 +579,172 @@ static void g2d_userptr_free_all(struct drm_device *drm_dev, g2d->current_pool = 0; } +static enum g2d_reg_type g2d_get_reg_type(int reg_offset) +{ + enum g2d_reg_type reg_type; + + switch (reg_offset) { + case G2D_SRC_BASE_ADDR: + case G2D_SRC_COLOR_MODE: + case G2D_SRC_LEFT_TOP: + case G2D_SRC_RIGHT_BOTTOM: + reg_type = REG_TYPE_SRC; + break; + case G2D_SRC_PLANE2_BASE_ADDR: + reg_type = REG_TYPE_SRC_PLANE2; + break; + case G2D_DST_BASE_ADDR: + case G2D_DST_COLOR_MODE: + case G2D_DST_LEFT_TOP: + case G2D_DST_RIGHT_BOTTOM: + reg_type = REG_TYPE_DST; + break; + case G2D_DST_PLANE2_BASE_ADDR: + reg_type = REG_TYPE_DST_PLANE2; + break; + case G2D_PAT_BASE_ADDR: + reg_type = REG_TYPE_PAT; + break; + case G2D_MSK_BASE_ADDR: + reg_type = REG_TYPE_MSK; + break; + default: + reg_type = REG_TYPE_NONE; + DRM_ERROR("Unknown register offset![%d]\n", reg_offset); + break; + }; + + return reg_type; +} + +static unsigned long g2d_get_buf_bpp(unsigned int format) +{ + unsigned long bpp; + + switch (format) { + case G2D_FMT_XRGB8888: + case G2D_FMT_ARGB8888: + bpp = 4; + break; + case G2D_FMT_RGB565: + case G2D_FMT_XRGB1555: + case G2D_FMT_ARGB1555: + case G2D_FMT_XRGB4444: + case G2D_FMT_ARGB4444: + bpp = 2; + break; + case G2D_FMT_PACKED_RGB888: + bpp = 3; + break; + default: + bpp = 1; + break; + } + + return bpp; +} + +static bool g2d_check_buf_desc_is_valid(struct g2d_buf_desc *buf_desc, + enum g2d_reg_type reg_type, + unsigned long size) +{ + unsigned int width, height; + unsigned long area; + + /* + * check source and destination buffers only. + * so the others are always valid. + */ + if (reg_type != REG_TYPE_SRC && reg_type != REG_TYPE_DST) + return true; + + width = buf_desc->right_x - buf_desc->left_x; + if (width < G2D_LEN_MIN || width > G2D_LEN_MAX) { + DRM_ERROR("width[%u] is out of range!\n", width); + return false; + } + + height = buf_desc->bottom_y - buf_desc->top_y; + if (height < G2D_LEN_MIN || height > G2D_LEN_MAX) { + DRM_ERROR("height[%u] is out of range!\n", height); + return false; + } + + area = (unsigned long)width * (unsigned long)height * + g2d_get_buf_bpp(buf_desc->format); + if (area > size) { + DRM_ERROR("area[%lu] is out of range[%lu]!\n", area, size); + return false; + } + + return true; +} + static int g2d_map_cmdlist_gem(struct g2d_data *g2d, struct g2d_cmdlist_node *node, struct drm_device *drm_dev, struct drm_file *file) { struct g2d_cmdlist *cmdlist = node->cmdlist; + struct g2d_buf_info *buf_info = &node->buf_info; int offset; + int ret; int i; - for (i = 0; i < node->map_nr; i++) { + for (i = 0; i < buf_info->map_nr; i++) { + struct g2d_buf_desc *buf_desc; + enum g2d_reg_type reg_type; + int reg_pos; unsigned long handle; dma_addr_t *addr; - offset = cmdlist->last - (i * 2 + 1); - handle = cmdlist->data[offset]; + reg_pos = cmdlist->last - 2 * (i + 1); + + offset = cmdlist->data[reg_pos]; + handle = cmdlist->data[reg_pos + 1]; + + reg_type = g2d_get_reg_type(offset); + if (reg_type == REG_TYPE_NONE) { + ret = -EFAULT; + goto err; + } + + buf_desc = &buf_info->descs[reg_type]; + + if (buf_info->types[reg_type] == BUF_TYPE_GEM) { + unsigned long size; + + size = exynos_drm_gem_get_size(drm_dev, handle, file); + if (!size) { + ret = -EFAULT; + goto err; + } + + if (!g2d_check_buf_desc_is_valid(buf_desc, reg_type, + size)) { + ret = -EFAULT; + goto err; + } - if (node->obj_type[i] == BUF_TYPE_GEM) { addr = exynos_drm_gem_get_dma_addr(drm_dev, handle, file); if (IS_ERR(addr)) { - node->map_nr = i; - return -EFAULT; + ret = -EFAULT; + goto err; } } else { struct drm_exynos_g2d_userptr g2d_userptr; if (copy_from_user(&g2d_userptr, (void __user *)handle, sizeof(struct drm_exynos_g2d_userptr))) { - node->map_nr = i; - return -EFAULT; + ret = -EFAULT; + goto err; + } + + if (!g2d_check_buf_desc_is_valid(buf_desc, reg_type, + g2d_userptr.size)) { + ret = -EFAULT; + goto err; } addr = g2d_userptr_get_dma_addr(drm_dev, @@ -544,16 +753,21 @@ static int g2d_map_cmdlist_gem(struct g2d_data *g2d, file, &handle); if (IS_ERR(addr)) { - node->map_nr = i; - return -EFAULT; + ret = -EFAULT; + goto err; } } - cmdlist->data[offset] = *addr; - node->handles[i] = handle; + cmdlist->data[reg_pos + 1] = *addr; + buf_info->reg_types[i] = reg_type; + buf_info->handles[reg_type] = handle; } return 0; + +err: + buf_info->map_nr = i; + return ret; } static void g2d_unmap_cmdlist_gem(struct g2d_data *g2d, @@ -561,22 +775,33 @@ static void g2d_unmap_cmdlist_gem(struct g2d_data *g2d, struct drm_file *filp) { struct exynos_drm_subdrv *subdrv = &g2d->subdrv; + struct g2d_buf_info *buf_info = &node->buf_info; int i; - for (i = 0; i < node->map_nr; i++) { - unsigned long handle = node->handles[i]; + for (i = 0; i < buf_info->map_nr; i++) { + struct g2d_buf_desc *buf_desc; + enum g2d_reg_type reg_type; + unsigned long handle; + + reg_type = buf_info->reg_types[i]; + + buf_desc = &buf_info->descs[reg_type]; + handle = buf_info->handles[reg_type]; - if (node->obj_type[i] == BUF_TYPE_GEM) + if (buf_info->types[reg_type] == BUF_TYPE_GEM) exynos_drm_gem_put_dma_addr(subdrv->drm_dev, handle, filp); else g2d_userptr_put_dma_addr(subdrv->drm_dev, handle, false); - node->handles[i] = 0; + buf_info->reg_types[i] = REG_TYPE_NONE; + buf_info->handles[reg_type] = 0; + buf_info->types[reg_type] = 0; + memset(buf_desc, 0x00, sizeof(*buf_desc)); } - node->map_nr = 0; + buf_info->map_nr = 0; } static void g2d_dma_start(struct g2d_data *g2d, @@ -589,10 +814,6 @@ static void g2d_dma_start(struct g2d_data *g2d, pm_runtime_get_sync(g2d->dev); clk_enable(g2d->gate_clk); - /* interrupt enable */ - writel_relaxed(G2D_INTEN_ACF | G2D_INTEN_UCF | G2D_INTEN_GCF, - g2d->regs + G2D_INTEN); - writel_relaxed(node->dma_addr, g2d->regs + G2D_DMA_SFR_BASE_ADDR); writel_relaxed(G2D_DMA_START, g2d->regs + G2D_DMA_COMMAND); } @@ -643,7 +864,6 @@ static void g2d_runqueue_worker(struct work_struct *work) struct g2d_data *g2d = container_of(work, struct g2d_data, runqueue_work); - mutex_lock(&g2d->runqueue_mutex); clk_disable(g2d->gate_clk); pm_runtime_put_sync(g2d->dev); @@ -724,20 +944,14 @@ static int g2d_check_reg_offset(struct device *dev, int i; for (i = 0; i < nr; i++) { - index = cmdlist->last - 2 * (i + 1); + struct g2d_buf_info *buf_info = &node->buf_info; + struct g2d_buf_desc *buf_desc; + enum g2d_reg_type reg_type; + unsigned long value; - if (for_addr) { - /* check userptr buffer type. */ - reg_offset = (cmdlist->data[index] & - ~0x7fffffff) >> 31; - if (reg_offset) { - node->obj_type[i] = BUF_TYPE_USERPTR; - cmdlist->data[index] &= ~G2D_BUF_USERPTR; - } - } + index = cmdlist->last - 2 * (i + 1); reg_offset = cmdlist->data[index] & ~0xfffff000; - if (reg_offset < G2D_VALID_START || reg_offset > G2D_VALID_END) goto err; if (reg_offset % 4) @@ -753,8 +967,60 @@ static int g2d_check_reg_offset(struct device *dev, if (!for_addr) goto err; - if (node->obj_type[i] != BUF_TYPE_USERPTR) - node->obj_type[i] = BUF_TYPE_GEM; + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + /* check userptr buffer type. */ + if ((cmdlist->data[index] & ~0x7fffffff) >> 31) { + buf_info->types[reg_type] = BUF_TYPE_USERPTR; + cmdlist->data[index] &= ~G2D_BUF_USERPTR; + } else + buf_info->types[reg_type] = BUF_TYPE_GEM; + break; + case G2D_SRC_COLOR_MODE: + case G2D_DST_COLOR_MODE: + if (for_addr) + goto err; + + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + buf_desc = &buf_info->descs[reg_type]; + value = cmdlist->data[index + 1]; + + buf_desc->format = value & 0xf; + break; + case G2D_SRC_LEFT_TOP: + case G2D_DST_LEFT_TOP: + if (for_addr) + goto err; + + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + buf_desc = &buf_info->descs[reg_type]; + value = cmdlist->data[index + 1]; + + buf_desc->left_x = value & 0x1fff; + buf_desc->top_y = (value & 0x1fff0000) >> 16; + break; + case G2D_SRC_RIGHT_BOTTOM: + case G2D_DST_RIGHT_BOTTOM: + if (for_addr) + goto err; + + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + buf_desc = &buf_info->descs[reg_type]; + value = cmdlist->data[index + 1]; + + buf_desc->right_x = value & 0x1fff; + buf_desc->bottom_y = (value & 0x1fff0000) >> 16; break; default: if (for_addr) @@ -860,9 +1126,23 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, cmdlist->data[cmdlist->last++] = G2D_SRC_BASE_ADDR; cmdlist->data[cmdlist->last++] = 0; + /* + * 'LIST_HOLD' command should be set to the DMA_HOLD_CMD_REG + * and GCF bit should be set to INTEN register if user wants + * G2D interrupt event once current command list execution is + * finished. + * Otherwise only ACF bit should be set to INTEN register so + * that one interrupt is occured after all command lists + * have been completed. + */ if (node->event) { + cmdlist->data[cmdlist->last++] = G2D_INTEN; + cmdlist->data[cmdlist->last++] = G2D_INTEN_ACF | G2D_INTEN_GCF; cmdlist->data[cmdlist->last++] = G2D_DMA_HOLD_CMD; cmdlist->data[cmdlist->last++] = G2D_LIST_HOLD; + } else { + cmdlist->data[cmdlist->last++] = G2D_INTEN; + cmdlist->data[cmdlist->last++] = G2D_INTEN_ACF; } /* Check size of cmdlist: last 2 is about G2D_BITBLT_START */ @@ -887,7 +1167,7 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, if (ret < 0) goto err_free_event; - node->map_nr = req->cmd_buf_nr; + node->buf_info.map_nr = req->cmd_buf_nr; if (req->cmd_buf_nr) { struct drm_exynos_g2d_cmd *cmd_buf; diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.c b/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.c index 67e17ce112b6..0e6fe000578c 100644 --- a/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -164,6 +164,27 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj) exynos_gem_obj = NULL; } +unsigned long exynos_drm_gem_get_size(struct drm_device *dev, + unsigned int gem_handle, + struct drm_file *file_priv) +{ + struct exynos_drm_gem_obj *exynos_gem_obj; + struct drm_gem_object *obj; + + obj = drm_gem_object_lookup(dev, file_priv, gem_handle); + if (!obj) { + DRM_ERROR("failed to lookup gem object.\n"); + return 0; + } + + exynos_gem_obj = to_exynos_gem_obj(obj); + + drm_gem_object_unreference_unlocked(obj); + + return exynos_gem_obj->buffer->size; +} + + struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, unsigned long size) { diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.h b/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.h index 35ebac47dc2b..468766bee450 100644 --- a/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/trunk/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -130,6 +130,11 @@ int exynos_drm_gem_userptr_ioctl(struct drm_device *dev, void *data, int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +/* get buffer size to gem handle. */ +unsigned long exynos_drm_gem_get_size(struct drm_device *dev, + unsigned int gem_handle, + struct drm_file *file_priv); + /* initialize gem object. */ int exynos_drm_gem_init_object(struct drm_gem_object *obj); diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/trunk/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 13ccbd4bcfaa..9504b0cd825a 100644 --- a/trunk/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/trunk/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -117,13 +117,12 @@ static struct edid *vidi_get_edid(struct device *dev, } edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH; - edid = kzalloc(edid_len, GFP_KERNEL); + edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL); if (!edid) { DRM_DEBUG_KMS("failed to allocate edid\n"); return ERR_PTR(-ENOMEM); } - memcpy(edid, ctx->raw_edid, edid_len); return edid; } @@ -563,12 +562,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, return -EINVAL; } edid_len = (1 + raw_edid->extensions) * EDID_LENGTH; - ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL); + ctx->raw_edid = kmemdup(raw_edid, edid_len, GFP_KERNEL); if (!ctx->raw_edid) { DRM_DEBUG_KMS("failed to allocate raw_edid.\n"); return -ENOMEM; } - memcpy(ctx->raw_edid, raw_edid, edid_len); } else { /* * with connection = 0, free raw_edid diff --git a/trunk/drivers/gpu/drm/exynos/exynos_mixer.c b/trunk/drivers/gpu/drm/exynos/exynos_mixer.c index e919aba29b3d..2f4f72f07047 100644 --- a/trunk/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/trunk/drivers/gpu/drm/exynos/exynos_mixer.c @@ -818,7 +818,7 @@ static void mixer_win_disable(void *ctx, int win) mixer_ctx->win_data[win].enabled = false; } -int mixer_check_timing(void *ctx, struct fb_videomode *timing) +static int mixer_check_timing(void *ctx, struct fb_videomode *timing) { struct mixer_context *mixer_ctx = ctx; u32 w, h; diff --git a/trunk/drivers/gpu/drm/i915/i915_drv.c b/trunk/drivers/gpu/drm/i915/i915_drv.c index 0a8eceb75902..e9b57893db2b 100644 --- a/trunk/drivers/gpu/drm/i915/i915_drv.c +++ b/trunk/drivers/gpu/drm/i915/i915_drv.c @@ -125,6 +125,11 @@ MODULE_PARM_DESC(preliminary_hw_support, "Enable Haswell and ValleyView Support. " "(default: false)"); +int i915_disable_power_well __read_mostly = 0; +module_param_named(disable_power_well, i915_disable_power_well, int, 0600); +MODULE_PARM_DESC(disable_power_well, + "Disable the power well when possible (default: false)"); + static struct drm_driver driver; extern int intel_agp_enabled; diff --git a/trunk/drivers/gpu/drm/i915/i915_drv.h b/trunk/drivers/gpu/drm/i915/i915_drv.h index e95337c97459..01769e2a9953 100644 --- a/trunk/drivers/gpu/drm/i915/i915_drv.h +++ b/trunk/drivers/gpu/drm/i915/i915_drv.h @@ -1398,6 +1398,7 @@ extern int i915_enable_fbc __read_mostly; extern bool i915_enable_hangcheck __read_mostly; extern int i915_enable_ppgtt __read_mostly; extern unsigned int i915_preliminary_hw_support __read_mostly; +extern int i915_disable_power_well __read_mostly; extern int i915_suspend(struct drm_device *dev, pm_message_t state); extern int i915_resume(struct drm_device *dev); diff --git a/trunk/drivers/gpu/drm/i915/intel_display.c b/trunk/drivers/gpu/drm/i915/intel_display.c index 287b42c9d1a8..b20d50192fcc 100644 --- a/trunk/drivers/gpu/drm/i915/intel_display.c +++ b/trunk/drivers/gpu/drm/i915/intel_display.c @@ -5771,6 +5771,11 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc, num_connectors++; } + if (is_cpu_edp) + intel_crtc->cpu_transcoder = TRANSCODER_EDP; + else + intel_crtc->cpu_transcoder = pipe; + /* We are not sure yet this won't happen. */ WARN(!HAS_PCH_LPT(dev), "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); @@ -5837,11 +5842,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, int pipe = intel_crtc->pipe; int ret; - if (IS_HASWELL(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) - intel_crtc->cpu_transcoder = TRANSCODER_EDP; - else - intel_crtc->cpu_transcoder = pipe; - drm_vblank_pre_modeset(dev, pipe); ret = dev_priv->display.crtc_mode_set(crtc, mode, adjusted_mode, diff --git a/trunk/drivers/gpu/drm/i915/intel_panel.c b/trunk/drivers/gpu/drm/i915/intel_panel.c index a3730e0289e5..bee8cb6108a7 100644 --- a/trunk/drivers/gpu/drm/i915/intel_panel.c +++ b/trunk/drivers/gpu/drm/i915/intel_panel.c @@ -321,9 +321,6 @@ void intel_panel_enable_backlight(struct drm_device *dev, if (dev_priv->backlight_level == 0) dev_priv->backlight_level = intel_panel_get_max_backlight(dev); - dev_priv->backlight_enabled = true; - intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); - if (INTEL_INFO(dev)->gen >= 4) { uint32_t reg, tmp; @@ -359,12 +356,12 @@ void intel_panel_enable_backlight(struct drm_device *dev, } set_level: - /* Check the current backlight level and try to set again if it's zero. - * On some machines, BLC_PWM_CPU_CTL is cleared to zero automatically - * when BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1 are written. + /* Call below after setting BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1. + * BLC_PWM_CPU_CTL may be cleared to zero automatically when these + * registers are set. */ - if (!intel_panel_get_backlight(dev)) - intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); + dev_priv->backlight_enabled = true; + intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); } static void intel_panel_init_backlight(struct drm_device *dev) diff --git a/trunk/drivers/gpu/drm/i915/intel_pm.c b/trunk/drivers/gpu/drm/i915/intel_pm.c index a1794c6df1bf..adca00783e61 100644 --- a/trunk/drivers/gpu/drm/i915/intel_pm.c +++ b/trunk/drivers/gpu/drm/i915/intel_pm.c @@ -4079,6 +4079,9 @@ void intel_set_power_well(struct drm_device *dev, bool enable) if (!IS_HASWELL(dev)) return; + if (!i915_disable_power_well && !enable) + return; + tmp = I915_READ(HSW_PWR_WELL_DRIVER); is_enabled = tmp & HSW_PWR_WELL_STATE; enable_requested = tmp & HSW_PWR_WELL_ENABLE; diff --git a/trunk/drivers/hid/hid-ids.h b/trunk/drivers/hid/hid-ids.h index 92e47e5c9564..c4388776f4e4 100644 --- a/trunk/drivers/hid/hid-ids.h +++ b/trunk/drivers/hid/hid-ids.h @@ -590,6 +590,9 @@ #define USB_VENDOR_ID_MONTEREY 0x0566 #define USB_DEVICE_ID_GENIUS_KB29E 0x3004 +#define USB_VENDOR_ID_MSI 0x1770 +#define USB_DEVICE_ID_MSI_GX680R_LED_PANEL 0xff00 + #define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400 #define USB_DEVICE_ID_N_S_HARMONY 0xc359 @@ -684,6 +687,9 @@ #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001 0x3001 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008 0x3008 +#define USB_VENDOR_ID_REALTEK 0x0bda +#define USB_DEVICE_ID_REALTEK_READER 0x0152 + #define USB_VENDOR_ID_ROCCAT 0x1e7d #define USB_DEVICE_ID_ROCCAT_ARVO 0x30d4 #define USB_DEVICE_ID_ROCCAT_ISKU 0x319c diff --git a/trunk/drivers/hid/hid-multitouch.c b/trunk/drivers/hid/hid-multitouch.c index 7a1ebb867cf4..82e9211b3ca9 100644 --- a/trunk/drivers/hid/hid-multitouch.c +++ b/trunk/drivers/hid/hid-multitouch.c @@ -621,6 +621,7 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, { struct mt_device *td = hid_get_drvdata(hid); __s32 quirks = td->mtclass.quirks; + struct input_dev *input = field->hidinput->input; if (hid->claimed & HID_CLAIMED_INPUT) { switch (usage->hid) { @@ -670,13 +671,16 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, break; default: + if (usage->type) + input_event(input, usage->type, usage->code, + value); return; } if (usage->usage_index + 1 == field->report_count) { /* we only take into account the last report. */ if (usage->hid == td->last_slot_field) - mt_complete_slot(td, field->hidinput->input); + mt_complete_slot(td, input); if (field->index == td->last_field_index && td->num_received >= td->num_expected) diff --git a/trunk/drivers/hid/usbhid/hid-quirks.c b/trunk/drivers/hid/usbhid/hid-quirks.c index e0e6abf1cd3b..19b8360f2330 100644 --- a/trunk/drivers/hid/usbhid/hid-quirks.c +++ b/trunk/drivers/hid/usbhid/hid-quirks.c @@ -73,6 +73,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET }, { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS }, @@ -80,6 +81,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET }, { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_REALTEK, USB_DEVICE_ID_REALTEK_READER, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, diff --git a/trunk/drivers/i2c/busses/i2c-mxs.c b/trunk/drivers/i2c/busses/i2c-mxs.c index 120f24646696..d1ba6b403b84 100644 --- a/trunk/drivers/i2c/busses/i2c-mxs.c +++ b/trunk/drivers/i2c/busses/i2c-mxs.c @@ -31,7 +31,6 @@ #include #include #include -#include #define DRIVER_NAME "mxs-i2c" @@ -113,9 +112,7 @@ struct mxs_i2c_dev { uint32_t timing1; /* DMA support components */ - int dma_channel; struct dma_chan *dmach; - struct mxs_dma_data dma_data; uint32_t pio_data[2]; uint32_t addr_data; struct scatterlist sg_io[2]; @@ -518,21 +515,6 @@ static const struct i2c_algorithm mxs_i2c_algo = { .functionality = mxs_i2c_func, }; -static bool mxs_i2c_dma_filter(struct dma_chan *chan, void *param) -{ - struct mxs_i2c_dev *i2c = param; - - if (!mxs_dma_is_apbx(chan)) - return false; - - if (chan->chan_id != i2c->dma_channel) - return false; - - chan->private = &i2c->dma_data; - - return true; -} - static void mxs_i2c_derive_timing(struct mxs_i2c_dev *i2c, int speed) { /* The I2C block clock run at 24MHz */ @@ -577,17 +559,6 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c) struct device_node *node = dev->of_node; int ret; - /* - * TODO: This is a temporary solution and should be changed - * to use generic DMA binding later when the helpers get in. - */ - ret = of_property_read_u32(node, "fsl,i2c-dma-channel", - &i2c->dma_channel); - if (ret) { - dev_err(dev, "Failed to get DMA channel!\n"); - return -ENODEV; - } - ret = of_property_read_u32(node, "clock-frequency", &speed); if (ret) { dev_warn(dev, "No I2C speed selected, using 100kHz\n"); @@ -607,8 +578,7 @@ static int mxs_i2c_probe(struct platform_device *pdev) struct pinctrl *pinctrl; struct resource *res; resource_size_t res_size; - int err, irq, dmairq; - dma_cap_mask_t mask; + int err, irq; pinctrl = devm_pinctrl_get_select_default(dev); if (IS_ERR(pinctrl)) @@ -620,9 +590,8 @@ static int mxs_i2c_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - dmairq = platform_get_irq(pdev, 1); - if (!res || irq < 0 || dmairq < 0) + if (!res || irq < 0) return -ENOENT; res_size = resource_size(res); @@ -648,10 +617,7 @@ static int mxs_i2c_probe(struct platform_device *pdev) } /* Setup the DMA */ - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - i2c->dma_data.chan_irq = dmairq; - i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c); + i2c->dmach = dma_request_slave_channel(dev, "rx-tx"); if (!i2c->dmach) { dev_err(dev, "Failed to request dma\n"); return -ENODEV; diff --git a/trunk/drivers/infiniband/hw/cxgb4/qp.c b/trunk/drivers/infiniband/hw/cxgb4/qp.c index 17ba4f8bc12d..70b1808a08f4 100644 --- a/trunk/drivers/infiniband/hw/cxgb4/qp.c +++ b/trunk/drivers/infiniband/hw/cxgb4/qp.c @@ -186,8 +186,10 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, wq->rq.queue = dma_alloc_coherent(&(rdev->lldi.pdev->dev), wq->rq.memsize, &(wq->rq.dma_addr), GFP_KERNEL); - if (!wq->rq.queue) + if (!wq->rq.queue) { + ret = -ENOMEM; goto free_sq; + } PDBG("%s sq base va 0x%p pa 0x%llx rq base va 0x%p pa 0x%llx\n", __func__, wq->sq.queue, (unsigned long long)virt_to_phys(wq->sq.queue), diff --git a/trunk/drivers/infiniband/hw/ipath/ipath_verbs.c b/trunk/drivers/infiniband/hw/ipath/ipath_verbs.c index 439c35d4a669..ea93870266eb 100644 --- a/trunk/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/trunk/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -620,7 +620,7 @@ void ipath_ib_rcv(struct ipath_ibdev *dev, void *rhdr, void *data, goto bail; } - opcode = be32_to_cpu(ohdr->bth[0]) >> 24; + opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0x7f; dev->opstats[opcode].n_bytes += tlen; dev->opstats[opcode].n_packets++; diff --git a/trunk/drivers/infiniband/hw/qib/Kconfig b/trunk/drivers/infiniband/hw/qib/Kconfig index 8349f9c5064c..1e603a375069 100644 --- a/trunk/drivers/infiniband/hw/qib/Kconfig +++ b/trunk/drivers/infiniband/hw/qib/Kconfig @@ -1,7 +1,7 @@ config INFINIBAND_QIB - tristate "QLogic PCIe HCA support" + tristate "Intel PCIe HCA support" depends on 64BIT ---help--- - This is a low-level driver for QLogic PCIe QLE InfiniBand host - channel adapters. This driver does not support the QLogic + This is a low-level driver for Intel PCIe QLE InfiniBand host + channel adapters. This driver does not support the Intel HyperTransport card (model QHT7140). diff --git a/trunk/drivers/infiniband/hw/qib/qib_driver.c b/trunk/drivers/infiniband/hw/qib/qib_driver.c index 5423edcab51f..216092477dfc 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_driver.c +++ b/trunk/drivers/infiniband/hw/qib/qib_driver.c @@ -1,4 +1,5 @@ /* + * Copyright (c) 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * @@ -63,8 +64,8 @@ MODULE_PARM_DESC(compat_ddr_negotiate, "Attempt pre-IBTA 1.2 DDR speed negotiation"); MODULE_LICENSE("Dual BSD/GPL"); -MODULE_AUTHOR("QLogic "); -MODULE_DESCRIPTION("QLogic IB driver"); +MODULE_AUTHOR("Intel "); +MODULE_DESCRIPTION("Intel IB driver"); MODULE_VERSION(QIB_DRIVER_VERSION); /* diff --git a/trunk/drivers/infiniband/hw/qib/qib_iba6120.c b/trunk/drivers/infiniband/hw/qib/qib_iba6120.c index a099ac171e22..0232ae56b1fa 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/trunk/drivers/infiniband/hw/qib/qib_iba6120.c @@ -1,4 +1,5 @@ /* + * Copyright (c) 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation. * All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. @@ -51,7 +52,7 @@ static u32 qib_6120_iblink_state(u64); /* * This file contains all the chip-specific register information and - * access functions for the QLogic QLogic_IB PCI-Express chip. + * access functions for the Intel Intel_IB PCI-Express chip. * */ diff --git a/trunk/drivers/infiniband/hw/qib/qib_init.c b/trunk/drivers/infiniband/hw/qib/qib_init.c index 50e33aa0b4e3..173f805790da 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_init.c +++ b/trunk/drivers/infiniband/hw/qib/qib_init.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2012, 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * @@ -1138,7 +1138,7 @@ void qib_disable_after_error(struct qib_devdata *dd) static void qib_remove_one(struct pci_dev *); static int qib_init_one(struct pci_dev *, const struct pci_device_id *); -#define DRIVER_LOAD_MSG "QLogic " QIB_DRV_NAME " loaded: " +#define DRIVER_LOAD_MSG "Intel " QIB_DRV_NAME " loaded: " #define PFX QIB_DRV_NAME ": " static DEFINE_PCI_DEVICE_TABLE(qib_pci_tbl) = { @@ -1355,7 +1355,7 @@ static int qib_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dd = qib_init_iba6120_funcs(pdev, ent); #else qib_early_err(&pdev->dev, - "QLogic PCIE device 0x%x cannot work if CONFIG_PCI_MSI is not enabled\n", + "Intel PCIE device 0x%x cannot work if CONFIG_PCI_MSI is not enabled\n", ent->device); dd = ERR_PTR(-ENODEV); #endif @@ -1371,7 +1371,7 @@ static int qib_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) default: qib_early_err(&pdev->dev, - "Failing on unknown QLogic deviceid 0x%x\n", + "Failing on unknown Intel deviceid 0x%x\n", ent->device); ret = -ENODEV; } diff --git a/trunk/drivers/infiniband/hw/qib/qib_sd7220.c b/trunk/drivers/infiniband/hw/qib/qib_sd7220.c index 50a8a0d4fe67..08a6c6d39e56 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_sd7220.c +++ b/trunk/drivers/infiniband/hw/qib/qib_sd7220.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * @@ -44,7 +44,7 @@ #include "qib.h" #include "qib_7220.h" -#define SD7220_FW_NAME "qlogic/sd7220.fw" +#define SD7220_FW_NAME "intel/sd7220.fw" MODULE_FIRMWARE(SD7220_FW_NAME); /* diff --git a/trunk/drivers/infiniband/hw/qib/qib_verbs.c b/trunk/drivers/infiniband/hw/qib/qib_verbs.c index ba51a4715a1d..7c0ab16a2fe2 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_verbs.c +++ b/trunk/drivers/infiniband/hw/qib/qib_verbs.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2012, 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. * @@ -2224,7 +2224,7 @@ int qib_register_ib_device(struct qib_devdata *dd) ibdev->dma_ops = &qib_dma_mapping_ops; snprintf(ibdev->node_desc, sizeof(ibdev->node_desc), - "QLogic Infiniband HCA %s", init_utsname()->nodename); + "Intel Infiniband HCA %s", init_utsname()->nodename); ret = ib_register_device(ibdev, qib_create_port_files); if (ret) diff --git a/trunk/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/trunk/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 67b0c1d23678..1ef880de3a41 100644 --- a/trunk/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/trunk/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -758,9 +758,13 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ if (++priv->tx_outstanding == ipoib_sendq_size) { ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n", tx->qp->qp_num); - if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP)) - ipoib_warn(priv, "request notify on send CQ failed\n"); netif_stop_queue(dev); + rc = ib_req_notify_cq(priv->send_cq, + IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS); + if (rc < 0) + ipoib_warn(priv, "request notify on send CQ failed\n"); + else if (rc) + ipoib_send_comp_handler(priv->send_cq, dev); } } } diff --git a/trunk/drivers/iommu/Kconfig b/trunk/drivers/iommu/Kconfig index 5c514d0711d1..c332fb98480d 100644 --- a/trunk/drivers/iommu/Kconfig +++ b/trunk/drivers/iommu/Kconfig @@ -130,7 +130,7 @@ config IRQ_REMAP # OMAP IOMMU support config OMAP_IOMMU bool "OMAP IOMMU Support" - depends on ARCH_OMAP + depends on ARCH_OMAP2PLUS select IOMMU_API config OMAP_IOVMM diff --git a/trunk/drivers/iommu/amd_iommu.c b/trunk/drivers/iommu/amd_iommu.c index 98f555dafb55..b287ca33833d 100644 --- a/trunk/drivers/iommu/amd_iommu.c +++ b/trunk/drivers/iommu/amd_iommu.c @@ -2466,18 +2466,16 @@ static int device_change_notifier(struct notifier_block *nb, /* allocate a protection domain if a device is added */ dma_domain = find_protection_domain(devid); - if (dma_domain) - goto out; - dma_domain = dma_ops_domain_alloc(); - if (!dma_domain) - goto out; - dma_domain->target_dev = devid; - - spin_lock_irqsave(&iommu_pd_list_lock, flags); - list_add_tail(&dma_domain->list, &iommu_pd_list); - spin_unlock_irqrestore(&iommu_pd_list_lock, flags); - - dev_data = get_dev_data(dev); + if (!dma_domain) { + dma_domain = dma_ops_domain_alloc(); + if (!dma_domain) + goto out; + dma_domain->target_dev = devid; + + spin_lock_irqsave(&iommu_pd_list_lock, flags); + list_add_tail(&dma_domain->list, &iommu_pd_list); + spin_unlock_irqrestore(&iommu_pd_list_lock, flags); + } dev->archdata.dma_ops = &amd_iommu_dma_ops; diff --git a/trunk/drivers/iommu/amd_iommu_init.c b/trunk/drivers/iommu/amd_iommu_init.c index b6ecddb63cd0..e3c2d74b7684 100644 --- a/trunk/drivers/iommu/amd_iommu_init.c +++ b/trunk/drivers/iommu/amd_iommu_init.c @@ -980,7 +980,7 @@ static void __init free_iommu_all(void) * BIOS should disable L2B micellaneous clock gating by setting * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b */ -static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) +static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) { u32 value; diff --git a/trunk/drivers/iommu/irq_remapping.c b/trunk/drivers/iommu/irq_remapping.c index d56f8c17c5fe..7c11ff368d07 100644 --- a/trunk/drivers/iommu/irq_remapping.c +++ b/trunk/drivers/iommu/irq_remapping.c @@ -2,7 +2,6 @@ #include #include #include -#include #include #include #include diff --git a/trunk/drivers/irqchip/Makefile b/trunk/drivers/irqchip/Makefile index 98e3b87bdf1b..9d8f4f1c6e39 100644 --- a/trunk/drivers/irqchip/Makefile +++ b/trunk/drivers/irqchip/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_IRQCHIP) += irqchip.o obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2835.o obj-$(CONFIG_ARCH_EXYNOS) += exynos-combiner.o +obj-$(CONFIG_ARCH_MXS) += irq-mxs.o obj-$(CONFIG_METAG) += irq-metag-ext.o obj-$(CONFIG_METAG_PERFCOUNTER_IRQS) += irq-metag.o obj-$(CONFIG_ARCH_SUNXI) += irq-sunxi.o diff --git a/trunk/arch/arm/mach-mxs/icoll.c b/trunk/drivers/irqchip/irq-mxs.c similarity index 89% rename from trunk/arch/arm/mach-mxs/icoll.c rename to trunk/drivers/irqchip/irq-mxs.c index e26eeba46598..29889bbdcc6d 100644 --- a/trunk/arch/arm/mach-mxs/icoll.c +++ b/trunk/drivers/irqchip/irq-mxs.c @@ -22,10 +22,12 @@ #include #include #include +#include #include +#include #include -#include -#include + +#include "irqchip.h" #define HW_ICOLL_VECTOR 0x0000 #define HW_ICOLL_LEVELACK 0x0010 @@ -38,7 +40,7 @@ #define ICOLL_NUM_IRQS 128 -static void __iomem *icoll_base = MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR); +static void __iomem *icoll_base; static struct irq_domain *icoll_domain; static void icoll_ack_irq(struct irq_data *d) @@ -103,23 +105,17 @@ static struct irq_domain_ops icoll_irq_domain_ops = { static void __init icoll_of_init(struct device_node *np, struct device_node *interrupt_parent) { + icoll_base = of_iomap(np, 0); + WARN_ON(!icoll_base); + /* * Interrupt Collector reset, which initializes the priority * for each irq to level 0. */ - mxs_reset_block(icoll_base + HW_ICOLL_CTRL); + stmp_reset_block(icoll_base + HW_ICOLL_CTRL); icoll_domain = irq_domain_add_linear(np, ICOLL_NUM_IRQS, &icoll_irq_domain_ops, NULL); WARN_ON(!icoll_domain); } - -static const struct of_device_id icoll_of_match[] __initconst = { - {.compatible = "fsl,icoll", .data = icoll_of_init}, - { /* sentinel */ } -}; - -void __init icoll_init_irq(void) -{ - of_irq_init(icoll_of_match); -} +IRQCHIP_DECLARE(mxs, "fsl,icoll", icoll_of_init); diff --git a/trunk/drivers/media/i2c/m5mols/m5mols_core.c b/trunk/drivers/media/i2c/m5mols/m5mols_core.c index d4e7567b367c..0b899cb6cda1 100644 --- a/trunk/drivers/media/i2c/m5mols/m5mols_core.c +++ b/trunk/drivers/media/i2c/m5mols/m5mols_core.c @@ -724,7 +724,7 @@ static int m5mols_s_stream(struct v4l2_subdev *sd, int enable) if (enable) { if (is_code(code, M5MOLS_RESTYPE_MONITOR)) ret = m5mols_start_monitor(info); - if (is_code(code, M5MOLS_RESTYPE_CAPTURE)) + else if (is_code(code, M5MOLS_RESTYPE_CAPTURE)) ret = m5mols_start_capture(info); else ret = -EINVAL; diff --git a/trunk/drivers/media/pci/bt8xx/bttv-driver.c b/trunk/drivers/media/pci/bt8xx/bttv-driver.c index ccd18e4ee789..54579e4c740b 100644 --- a/trunk/drivers/media/pci/bt8xx/bttv-driver.c +++ b/trunk/drivers/media/pci/bt8xx/bttv-driver.c @@ -250,17 +250,19 @@ static u8 SRAM_Table[][60] = vdelay start of active video in 2 * field lines relative to trailing edge of /VRESET pulse (VDELAY register). sheight height of active video in 2 * field lines. + extraheight Added to sheight for cropcap.bounds.height only videostart0 ITU-R frame line number of the line corresponding to vdelay in the first field. */ #define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \ - vdelay, sheight, videostart0) \ + vdelay, sheight, extraheight, videostart0) \ .cropcap.bounds.left = minhdelayx1, \ /* * 2 because vertically we count field lines times two, */ \ /* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */ \ .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \ /* 4 is a safety margin at the end of the line. */ \ .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \ - .cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY, \ + .cropcap.bounds.height = (sheight) + (extraheight) + (vdelay) - \ + MIN_VDELAY, \ .cropcap.defrect.left = hdelayx1, \ .cropcap.defrect.top = (videostart0) * 2, \ .cropcap.defrect.width = swidth, \ @@ -301,9 +303,10 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* totalwidth */ 1135, /* sqwidth */ 944, /* vdelay */ 0x20, - /* bt878 (and bt848?) can capture another - line below active video. */ - /* sheight */ (576 + 2) + 0x20 - 2, + /* sheight */ 576, + /* bt878 (and bt848?) can capture another + line below active video. */ + /* extraheight */ 2, /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, @@ -330,6 +333,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 780, /* vdelay */ 0x1a, /* sheight */ 480, + /* extraheight */ 0, /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_SECAM, @@ -355,6 +359,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 944, /* vdelay */ 0x20, /* sheight */ 576, + /* extraheight */ 0, /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_PAL_Nc, @@ -380,6 +385,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 780, /* vdelay */ 0x1a, /* sheight */ 576, + /* extraheight */ 0, /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_PAL_M, @@ -405,6 +411,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 780, /* vdelay */ 0x1a, /* sheight */ 480, + /* extraheight */ 0, /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_PAL_N, @@ -430,6 +437,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 944, /* vdelay */ 0x20, /* sheight */ 576, + /* extraheight */ 0, /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_NTSC_M_JP, @@ -455,6 +463,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 780, /* vdelay */ 0x16, /* sheight */ 480, + /* extraheight */ 0, /* videostart0 */ 23) },{ /* that one hopefully works with the strange timing @@ -484,6 +493,7 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* sqwidth */ 944, /* vdelay */ 0x1a, /* sheight */ 480, + /* extraheight */ 0, /* videostart0 */ 23) } }; diff --git a/trunk/drivers/media/platform/exynos-gsc/gsc-core.c b/trunk/drivers/media/platform/exynos-gsc/gsc-core.c index 82d9f6ac12f3..33b5ffc8d66d 100644 --- a/trunk/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/trunk/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1054,16 +1054,18 @@ static int gsc_m2m_suspend(struct gsc_dev *gsc) static int gsc_m2m_resume(struct gsc_dev *gsc) { + struct gsc_ctx *ctx; unsigned long flags; spin_lock_irqsave(&gsc->slock, flags); /* Clear for full H/W setup in first run after resume */ + ctx = gsc->m2m.ctx; gsc->m2m.ctx = NULL; spin_unlock_irqrestore(&gsc->slock, flags); if (test_and_clear_bit(ST_M2M_SUSPENDED, &gsc->state)) - gsc_m2m_job_finish(gsc->m2m.ctx, - VB2_BUF_STATE_ERROR); + gsc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); + return 0; } @@ -1204,7 +1206,7 @@ static int gsc_resume(struct device *dev) /* Do not resume if the device was idle before system suspend */ spin_lock_irqsave(&gsc->slock, flags); if (!test_and_clear_bit(ST_SUSPEND, &gsc->state) || - !gsc_m2m_active(gsc)) { + !gsc_m2m_opened(gsc)) { spin_unlock_irqrestore(&gsc->slock, flags); return 0; } diff --git a/trunk/drivers/media/platform/s5p-fimc/fimc-core.c b/trunk/drivers/media/platform/s5p-fimc/fimc-core.c index e3916bde45cf..0f513dd19f86 100644 --- a/trunk/drivers/media/platform/s5p-fimc/fimc-core.c +++ b/trunk/drivers/media/platform/s5p-fimc/fimc-core.c @@ -850,16 +850,18 @@ static int fimc_m2m_suspend(struct fimc_dev *fimc) static int fimc_m2m_resume(struct fimc_dev *fimc) { + struct fimc_ctx *ctx; unsigned long flags; spin_lock_irqsave(&fimc->slock, flags); /* Clear for full H/W setup in first run after resume */ + ctx = fimc->m2m.ctx; fimc->m2m.ctx = NULL; spin_unlock_irqrestore(&fimc->slock, flags); if (test_and_clear_bit(ST_M2M_SUSPENDED, &fimc->state)) - fimc_m2m_job_finish(fimc->m2m.ctx, - VB2_BUF_STATE_ERROR); + fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); + return 0; } diff --git a/trunk/drivers/media/platform/s5p-fimc/fimc-lite-reg.c b/trunk/drivers/media/platform/s5p-fimc/fimc-lite-reg.c index f0af0754a7b4..ac9663ce2a49 100644 --- a/trunk/drivers/media/platform/s5p-fimc/fimc-lite-reg.c +++ b/trunk/drivers/media/platform/s5p-fimc/fimc-lite-reg.c @@ -128,10 +128,10 @@ static const u32 src_pixfmt_map[8][3] = { void flite_hw_set_source_format(struct fimc_lite *dev, struct flite_frame *f) { enum v4l2_mbus_pixelcode pixelcode = dev->fmt->mbus_code; - unsigned int i = ARRAY_SIZE(src_pixfmt_map); + int i = ARRAY_SIZE(src_pixfmt_map); u32 cfg; - while (i-- >= 0) { + while (--i >= 0) { if (src_pixfmt_map[i][0] == pixelcode) break; } @@ -224,9 +224,9 @@ static void flite_hw_set_out_order(struct fimc_lite *dev, struct flite_frame *f) { V4L2_MBUS_FMT_VYUY8_2X8, FLITE_REG_CIODMAFMT_CRYCBY }, }; u32 cfg = readl(dev->regs + FLITE_REG_CIODMAFMT); - unsigned int i = ARRAY_SIZE(pixcode); + int i = ARRAY_SIZE(pixcode); - while (i-- >= 0) + while (--i >= 0) if (pixcode[i][0] == dev->fmt->mbus_code) break; cfg &= ~FLITE_REG_CIODMAFMT_YCBCR_ORDER_MASK; diff --git a/trunk/drivers/media/platform/s5p-fimc/fimc-lite.c b/trunk/drivers/media/platform/s5p-fimc/fimc-lite.c index bfc4206935c8..bbc35de7db27 100644 --- a/trunk/drivers/media/platform/s5p-fimc/fimc-lite.c +++ b/trunk/drivers/media/platform/s5p-fimc/fimc-lite.c @@ -1408,6 +1408,7 @@ static const struct v4l2_ctrl_config fimc_lite_ctrl = { .id = V4L2_CTRL_CLASS_USER | 0x1001, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "Test Pattern 640x480", + .step = 1, }; static int fimc_lite_create_capture_subdev(struct fimc_lite *fimc) diff --git a/trunk/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/trunk/drivers/media/platform/s5p-fimc/fimc-mdevice.c index a17fcb2d5d41..cd38d708ab58 100644 --- a/trunk/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/trunk/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -827,7 +827,7 @@ static int fimc_md_link_notify(struct media_pad *source, struct fimc_pipeline *pipeline; struct v4l2_subdev *sd; struct mutex *lock; - int ret = 0; + int i, ret = 0; int ref_count; if (media_entity_type(sink->entity) != MEDIA_ENT_T_V4L2_SUBDEV) @@ -854,29 +854,28 @@ static int fimc_md_link_notify(struct media_pad *source, return 0; } + mutex_lock(lock); + ref_count = fimc ? fimc->vid_cap.refcnt : fimc_lite->ref_count; + if (!(flags & MEDIA_LNK_FL_ENABLED)) { - int i; - mutex_lock(lock); - ret = __fimc_pipeline_close(pipeline); + if (ref_count > 0) { + ret = __fimc_pipeline_close(pipeline); + if (!ret && fimc) + fimc_ctrls_delete(fimc->vid_cap.ctx); + } for (i = 0; i < IDX_MAX; i++) pipeline->subdevs[i] = NULL; - if (fimc) - fimc_ctrls_delete(fimc->vid_cap.ctx); - mutex_unlock(lock); - return ret; + } else if (ref_count > 0) { + /* + * Link activation. Enable power of pipeline elements only if + * the pipeline is already in use, i.e. its video node is open. + * Recreate the controls destroyed during the link deactivation. + */ + ret = __fimc_pipeline_open(pipeline, + source->entity, true); + if (!ret && fimc) + ret = fimc_capture_ctrls_create(fimc); } - /* - * Link activation. Enable power of pipeline elements only if the - * pipeline is already in use, i.e. its video node is opened. - * Recreate the controls destroyed during the link deactivation. - */ - mutex_lock(lock); - - ref_count = fimc ? fimc->vid_cap.refcnt : fimc_lite->ref_count; - if (ref_count > 0) - ret = __fimc_pipeline_open(pipeline, source->entity, true); - if (!ret && fimc) - ret = fimc_capture_ctrls_create(fimc); mutex_unlock(lock); return ret ? -EPIPE : ret; diff --git a/trunk/drivers/media/platform/s5p-mfc/s5p_mfc.c b/trunk/drivers/media/platform/s5p-mfc/s5p_mfc.c index e84703c314ce..1cb6d57987c6 100644 --- a/trunk/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/trunk/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -276,7 +276,7 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err) unsigned int frame_type; dspl_y_addr = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_y_adr, dev); - frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_dec_frame_type, dev); + frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_disp_frame_type, ctx); /* If frame is same as previous then skip and do not dequeue */ if (frame_type == S5P_FIMV_DECODE_FRAME_SKIPPED) { diff --git a/trunk/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/trunk/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index 2356fd52a169..4f6b553c4b2d 100644 --- a/trunk/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/trunk/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -232,6 +232,7 @@ static struct mfc_control controls[] = { .minimum = 0, .maximum = 1, .default_value = 0, + .step = 1, .menu_skip_mask = 0, }, { diff --git a/trunk/drivers/media/rc/Kconfig b/trunk/drivers/media/rc/Kconfig index 19f3563c61da..5a79c333d45e 100644 --- a/trunk/drivers/media/rc/Kconfig +++ b/trunk/drivers/media/rc/Kconfig @@ -291,7 +291,7 @@ config IR_TTUSBIR config IR_RX51 tristate "Nokia N900 IR transmitter diode" - depends on OMAP_DM_TIMER && LIRC && !ARCH_MULTIPLATFORM + depends on OMAP_DM_TIMER && ARCH_OMAP2PLUS && LIRC && !ARCH_MULTIPLATFORM ---help--- Say Y or M here if you want to enable support for the IR transmitter diode built in the Nokia N900 (RX51) device. diff --git a/trunk/drivers/media/v4l2-core/Makefile b/trunk/drivers/media/v4l2-core/Makefile index a9d355230e8e..768aaf62d5dc 100644 --- a/trunk/drivers/media/v4l2-core/Makefile +++ b/trunk/drivers/media/v4l2-core/Makefile @@ -10,7 +10,7 @@ ifeq ($(CONFIG_COMPAT),y) videodev-objs += v4l2-compat-ioctl32.o endif -obj-$(CONFIG_VIDEO_DEV) += videodev.o +obj-$(CONFIG_VIDEO_V4L2) += videodev.o obj-$(CONFIG_VIDEO_V4L2_INT_DEVICE) += v4l2-int-device.o obj-$(CONFIG_VIDEO_V4L2) += v4l2-common.o diff --git a/trunk/drivers/misc/mei/hw-me.c b/trunk/drivers/misc/mei/hw-me.c index 45ea7185c003..642c6223fa6c 100644 --- a/trunk/drivers/misc/mei/hw-me.c +++ b/trunk/drivers/misc/mei/hw-me.c @@ -151,6 +151,20 @@ static void mei_me_intr_disable(struct mei_device *dev) mei_hcsr_set(hw, hcsr); } +/** + * mei_me_hw_reset_release - release device from the reset + * + * @dev: the device structure + */ +static void mei_me_hw_reset_release(struct mei_device *dev) +{ + struct mei_me_hw *hw = to_me_hw(dev); + u32 hcsr = mei_hcsr_read(hw); + + hcsr |= H_IG; + hcsr &= ~H_RST; + mei_hcsr_set(hw, hcsr); +} /** * mei_me_hw_reset - resets fw via mei csr register. * @@ -169,18 +183,14 @@ static void mei_me_hw_reset(struct mei_device *dev, bool intr_enable) if (intr_enable) hcsr |= H_IE; else - hcsr &= ~H_IE; - - mei_hcsr_set(hw, hcsr); - - hcsr = mei_hcsr_read(hw) | H_IG; - hcsr &= ~H_RST; + hcsr |= ~H_IE; mei_hcsr_set(hw, hcsr); - hcsr = mei_hcsr_read(hw); + if (dev->dev_state == MEI_DEV_POWER_DOWN) + mei_me_hw_reset_release(dev); - dev_dbg(&dev->pdev->dev, "current HCSR = 0x%08x.\n", hcsr); + dev_dbg(&dev->pdev->dev, "current HCSR = 0x%08x.\n", mei_hcsr_read(hw)); } /** @@ -466,7 +476,8 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) mutex_unlock(&dev->device_lock); return IRQ_HANDLED; } else { - dev_dbg(&dev->pdev->dev, "FW not ready.\n"); + dev_dbg(&dev->pdev->dev, "Reset Completed.\n"); + mei_me_hw_reset_release(dev); mutex_unlock(&dev->device_lock); return IRQ_HANDLED; } diff --git a/trunk/drivers/misc/mei/init.c b/trunk/drivers/misc/mei/init.c index 6ec530168afb..356179991a2e 100644 --- a/trunk/drivers/misc/mei/init.c +++ b/trunk/drivers/misc/mei/init.c @@ -183,6 +183,24 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled) mei_cl_all_write_clear(dev); } +void mei_stop(struct mei_device *dev) +{ + dev_dbg(&dev->pdev->dev, "stopping the device.\n"); + + mutex_lock(&dev->device_lock); + + cancel_delayed_work(&dev->timer_work); + + mei_wd_stop(dev); + + dev->dev_state = MEI_DEV_POWER_DOWN; + mei_reset(dev, 0); + + mutex_unlock(&dev->device_lock); + + flush_scheduled_work(); +} + diff --git a/trunk/drivers/misc/mei/mei_dev.h b/trunk/drivers/misc/mei/mei_dev.h index cb80166161f0..97873812e33b 100644 --- a/trunk/drivers/misc/mei/mei_dev.h +++ b/trunk/drivers/misc/mei/mei_dev.h @@ -381,6 +381,7 @@ static inline unsigned long mei_secs_to_jiffies(unsigned long sec) void mei_device_init(struct mei_device *dev); void mei_reset(struct mei_device *dev, int interrupts); int mei_hw_init(struct mei_device *dev); +void mei_stop(struct mei_device *dev); /* * MEI interrupt functions prototype diff --git a/trunk/drivers/misc/mei/pci-me.c b/trunk/drivers/misc/mei/pci-me.c index b40ec0601ab0..b8b5c9c3ad03 100644 --- a/trunk/drivers/misc/mei/pci-me.c +++ b/trunk/drivers/misc/mei/pci-me.c @@ -247,44 +247,14 @@ static void mei_remove(struct pci_dev *pdev) hw = to_me_hw(dev); - mutex_lock(&dev->device_lock); - - cancel_delayed_work(&dev->timer_work); - mei_wd_stop(dev); + dev_err(&pdev->dev, "stop\n"); + mei_stop(dev); mei_pdev = NULL; - if (dev->iamthif_cl.state == MEI_FILE_CONNECTED) { - dev->iamthif_cl.state = MEI_FILE_DISCONNECTING; - mei_cl_disconnect(&dev->iamthif_cl); - } - if (dev->wd_cl.state == MEI_FILE_CONNECTED) { - dev->wd_cl.state = MEI_FILE_DISCONNECTING; - mei_cl_disconnect(&dev->wd_cl); - } - - /* Unregistering watchdog device */ mei_watchdog_unregister(dev); - /* remove entry if already in list */ - dev_dbg(&pdev->dev, "list del iamthif and wd file list.\n"); - - if (dev->open_handle_count > 0) - dev->open_handle_count--; - mei_cl_unlink(&dev->wd_cl); - - if (dev->open_handle_count > 0) - dev->open_handle_count--; - mei_cl_unlink(&dev->iamthif_cl); - - dev->iamthif_current_cb = NULL; - dev->me_clients_num = 0; - - mutex_unlock(&dev->device_lock); - - flush_scheduled_work(); - /* disable interrupts */ mei_disable_interrupts(dev); @@ -308,28 +278,20 @@ static int mei_pci_suspend(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); struct mei_device *dev = pci_get_drvdata(pdev); - int err; if (!dev) return -ENODEV; - mutex_lock(&dev->device_lock); - cancel_delayed_work(&dev->timer_work); + dev_err(&pdev->dev, "suspend\n"); - /* Stop watchdog if exists */ - err = mei_wd_stop(dev); - /* Set new mei state */ - if (dev->dev_state == MEI_DEV_ENABLED || - dev->dev_state == MEI_DEV_RECOVERING_FROM_RESET) { - dev->dev_state = MEI_DEV_POWER_DOWN; - mei_reset(dev, 0); - } - mutex_unlock(&dev->device_lock); + mei_stop(dev); + + mei_disable_interrupts(dev); free_irq(pdev->irq, dev); pci_disable_msi(pdev); - return err; + return 0; } static int mei_pci_resume(struct device *device) diff --git a/trunk/drivers/misc/vmw_vmci/vmci_datagram.c b/trunk/drivers/misc/vmw_vmci/vmci_datagram.c index ed5c433cd493..f3cdd904fe4d 100644 --- a/trunk/drivers/misc/vmw_vmci/vmci_datagram.c +++ b/trunk/drivers/misc/vmw_vmci/vmci_datagram.c @@ -42,9 +42,11 @@ struct datagram_entry { struct delayed_datagram_info { struct datagram_entry *entry; - struct vmci_datagram msg; struct work_struct work; bool in_dg_host_queue; + /* msg and msg_payload must be together. */ + struct vmci_datagram msg; + u8 msg_payload[]; }; /* Number of in-flight host->host datagrams */ diff --git a/trunk/drivers/mmc/host/mxs-mmc.c b/trunk/drivers/mmc/host/mxs-mmc.c index 4efe3021b217..4fdc71113e6d 100644 --- a/trunk/drivers/mmc/host/mxs-mmc.c +++ b/trunk/drivers/mmc/host/mxs-mmc.c @@ -548,22 +548,6 @@ static const struct mmc_host_ops mxs_mmc_ops = { .enable_sdio_irq = mxs_mmc_enable_sdio_irq, }; -static bool mxs_mmc_dma_filter(struct dma_chan *chan, void *param) -{ - struct mxs_mmc_host *host = param; - struct mxs_ssp *ssp = &host->ssp; - - if (!mxs_dma_is_apbh(chan)) - return false; - - if (chan->chan_id != ssp->dma_channel) - return false; - - chan->private = &ssp->dma_data; - - return true; -} - static struct platform_device_id mxs_ssp_ids[] = { { .name = "imx23-mmc", @@ -591,20 +575,17 @@ static int mxs_mmc_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct mxs_mmc_host *host; struct mmc_host *mmc; - struct resource *iores, *dmares; + struct resource *iores; struct pinctrl *pinctrl; - int ret = 0, irq_err, irq_dma; - dma_cap_mask_t mask; + int ret = 0, irq_err; struct regulator *reg_vmmc; enum of_gpio_flags flags; struct mxs_ssp *ssp; u32 bus_width = 0; iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0); irq_err = platform_get_irq(pdev, 0); - irq_dma = platform_get_irq(pdev, 1); - if (!iores || irq_err < 0 || irq_dma < 0) + if (!iores || irq_err < 0) return -EINVAL; mmc = mmc_alloc_host(sizeof(struct mxs_mmc_host), &pdev->dev); @@ -620,23 +601,7 @@ static int mxs_mmc_probe(struct platform_device *pdev) goto out_mmc_free; } - if (np) { - ssp->devid = (enum mxs_ssp_id) of_id->data; - /* - * TODO: This is a temporary solution and should be changed - * to use generic DMA binding later when the helpers get in. - */ - ret = of_property_read_u32(np, "fsl,ssp-dma-channel", - &ssp->dma_channel); - if (ret) { - dev_err(mmc_dev(host->mmc), - "failed to get dma channel\n"); - goto out_mmc_free; - } - } else { - ssp->devid = pdev->id_entry->driver_data; - ssp->dma_channel = dmares->start; - } + ssp->devid = (enum mxs_ssp_id) of_id->data; host->mmc = mmc; host->sdio_irq_en = 0; @@ -666,10 +631,7 @@ static int mxs_mmc_probe(struct platform_device *pdev) mxs_mmc_reset(host); - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - ssp->dma_data.chan_irq = irq_dma; - ssp->dmach = dma_request_channel(mask, mxs_mmc_dma_filter, host); + ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx"); if (!ssp->dmach) { dev_err(mmc_dev(host->mmc), "%s: failed to request dma\n", __func__); diff --git a/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 717881a3d1b8..25ecfa1822a8 100644 --- a/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -36,7 +36,6 @@ #define GPMI_NAND_GPMI_REGS_ADDR_RES_NAME "gpmi-nand" #define GPMI_NAND_BCH_REGS_ADDR_RES_NAME "bch" #define GPMI_NAND_BCH_INTERRUPT_RES_NAME "bch" -#define GPMI_NAND_DMA_INTERRUPT_RES_NAME "gpmi-dma" /* add our owner bbt descriptor */ static uint8_t scan_ff_pattern[] = { 0xff }; @@ -420,28 +419,6 @@ static void release_bch_irq(struct gpmi_nand_data *this) free_irq(i, this); } -static bool gpmi_dma_filter(struct dma_chan *chan, void *param) -{ - struct gpmi_nand_data *this = param; - int dma_channel = (int)this->private; - - if (!mxs_dma_is_apbh(chan)) - return false; - /* - * only catch the GPMI dma channels : - * for mx23 : MX23_DMA_GPMI0 ~ MX23_DMA_GPMI3 - * (These four channels share the same IRQ!) - * - * for mx28 : MX28_DMA_GPMI0 ~ MX28_DMA_GPMI7 - * (These eight channels share the same IRQ!) - */ - if (dma_channel == chan->chan_id) { - chan->private = &this->dma_data; - return true; - } - return false; -} - static void release_dma_channels(struct gpmi_nand_data *this) { unsigned int i; @@ -455,36 +432,10 @@ static void release_dma_channels(struct gpmi_nand_data *this) static int acquire_dma_channels(struct gpmi_nand_data *this) { struct platform_device *pdev = this->pdev; - struct resource *r_dma; - struct device_node *dn; - u32 dma_channel; - int ret; struct dma_chan *dma_chan; - dma_cap_mask_t mask; - - /* dma channel, we only use the first one. */ - dn = pdev->dev.of_node; - ret = of_property_read_u32(dn, "fsl,gpmi-dma-channel", &dma_channel); - if (ret) { - pr_err("unable to get DMA channel from dt.\n"); - goto acquire_err; - } - this->private = (void *)dma_channel; - - /* gpmi dma interrupt */ - r_dma = platform_get_resource_byname(pdev, IORESOURCE_IRQ, - GPMI_NAND_DMA_INTERRUPT_RES_NAME); - if (!r_dma) { - pr_err("Can't get resource for DMA\n"); - goto acquire_err; - } - this->dma_data.chan_irq = r_dma->start; /* request dma channel */ - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - dma_chan = dma_request_channel(mask, gpmi_dma_filter, this); + dma_chan = dma_request_slave_channel(&pdev->dev, "rx-tx"); if (!dma_chan) { pr_err("Failed to request DMA channel.\n"); goto acquire_err; diff --git a/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 072947731277..a7685e3a8748 100644 --- a/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/trunk/drivers/mtd/nand/gpmi-nand/gpmi-nand.h @@ -20,7 +20,7 @@ #include #include #include -#include +#include #define GPMI_CLK_MAX 5 /* MX6Q needs five clocks */ struct resources { @@ -180,7 +180,6 @@ struct gpmi_nand_data { /* DMA channels */ #define DMA_CHANS 8 struct dma_chan *dma_chans[DMA_CHANS]; - struct mxs_dma_data dma_data; enum dma_ops_type last_dma_type; enum dma_ops_type dma_type; struct completion dma_done; diff --git a/trunk/drivers/net/bonding/bond_sysfs.c b/trunk/drivers/net/bonding/bond_sysfs.c index 1c9e09fbdff8..db103e03ba05 100644 --- a/trunk/drivers/net/bonding/bond_sysfs.c +++ b/trunk/drivers/net/bonding/bond_sysfs.c @@ -183,6 +183,11 @@ int bond_create_slave_symlinks(struct net_device *master, sprintf(linkname, "slave_%s", slave->name); ret = sysfs_create_link(&(master->dev.kobj), &(slave->dev.kobj), linkname); + + /* free the master link created earlier in case of error */ + if (ret) + sysfs_remove_link(&(slave->dev.kobj), "master"); + return ret; } diff --git a/trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 568205436a15..91ecd6a00d05 100644 --- a/trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/trunk/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -2139,12 +2139,12 @@ static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) break; default: BNX2X_ERR("Non valid capability ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap); @@ -2170,12 +2170,12 @@ static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) break; default: BNX2X_ERR("Non valid TC-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } return rval; @@ -2188,7 +2188,7 @@ static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) return -EINVAL; } -static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) +static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) { struct bnx2x *bp = netdev_priv(netdev); DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); @@ -2390,12 +2390,12 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, break; default: BNX2X_ERR("Non valid featrue-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } return rval; @@ -2431,12 +2431,12 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, break; default: BNX2X_ERR("Non valid featrue-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "dcbnl call not valid\n"); - rval = -EINVAL; + rval = 1; } return rval; diff --git a/trunk/drivers/net/ethernet/freescale/fec.c b/trunk/drivers/net/ethernet/freescale/fec.c index e3f39372ce25..dd098ea44d48 100644 --- a/trunk/drivers/net/ethernet/freescale/fec.c +++ b/trunk/drivers/net/ethernet/freescale/fec.c @@ -1332,7 +1332,7 @@ static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) static void fec_enet_free_buffers(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); - int i; + unsigned int i; struct sk_buff *skb; struct bufdesc *bdp; @@ -1356,7 +1356,7 @@ static void fec_enet_free_buffers(struct net_device *ndev) static int fec_enet_alloc_buffers(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); - int i; + unsigned int i; struct sk_buff *skb; struct bufdesc *bdp; @@ -1598,7 +1598,7 @@ static int fec_enet_init(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); struct bufdesc *cbd_base; struct bufdesc *bdp; - int i; + unsigned int i; /* Allocate memory for buffer descriptors. */ cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma, @@ -1802,18 +1802,23 @@ fec_probe(struct platform_device *pdev) goto failed_clk; } + /* enet_out is optional, depends on board */ + fep->clk_enet_out = devm_clk_get(&pdev->dev, "enet_out"); + if (IS_ERR(fep->clk_enet_out)) + fep->clk_enet_out = NULL; + fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp"); fep->bufdesc_ex = pdev->id_entry->driver_data & FEC_QUIRK_HAS_BUFDESC_EX; if (IS_ERR(fep->clk_ptp)) { - ret = PTR_ERR(fep->clk_ptp); + fep->clk_ptp = NULL; fep->bufdesc_ex = 0; } clk_prepare_enable(fep->clk_ahb); clk_prepare_enable(fep->clk_ipg); - if (!IS_ERR(fep->clk_ptp)) - clk_prepare_enable(fep->clk_ptp); + clk_prepare_enable(fep->clk_enet_out); + clk_prepare_enable(fep->clk_ptp); reg_phy = devm_regulator_get(&pdev->dev, "phy"); if (!IS_ERR(reg_phy)) { @@ -1878,8 +1883,8 @@ fec_probe(struct platform_device *pdev) failed_regulator: clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_ipg); - if (!IS_ERR(fep->clk_ptp)) - clk_disable_unprepare(fep->clk_ptp); + clk_disable_unprepare(fep->clk_enet_out); + clk_disable_unprepare(fep->clk_ptp); failed_pin: failed_clk: iounmap(fep->hwp); @@ -1905,6 +1910,7 @@ fec_drv_remove(struct platform_device *pdev) clk_disable_unprepare(fep->clk_ptp); if (fep->ptp_clock) ptp_clock_unregister(fep->ptp_clock); + clk_disable_unprepare(fep->clk_enet_out); clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_ipg); for (i = 0; i < FEC_IRQ_NUM; i++) { @@ -1935,6 +1941,7 @@ fec_suspend(struct device *dev) fec_stop(ndev); netif_device_detach(ndev); } + clk_disable_unprepare(fep->clk_enet_out); clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_ipg); @@ -1947,6 +1954,7 @@ fec_resume(struct device *dev) struct net_device *ndev = dev_get_drvdata(dev); struct fec_enet_private *fep = netdev_priv(ndev); + clk_prepare_enable(fep->clk_enet_out); clk_prepare_enable(fep->clk_ahb); clk_prepare_enable(fep->clk_ipg); if (netif_running(ndev)) { diff --git a/trunk/drivers/net/ethernet/freescale/fec.h b/trunk/drivers/net/ethernet/freescale/fec.h index eb4372962839..feabcb6a78b4 100644 --- a/trunk/drivers/net/ethernet/freescale/fec.h +++ b/trunk/drivers/net/ethernet/freescale/fec.h @@ -207,6 +207,7 @@ struct fec_enet_private { struct clk *clk_ipg; struct clk *clk_ahb; + struct clk *clk_enet_out; struct clk *clk_ptp; /* The saved address of a sent-in-place packet/buffer, for skfree(). */ diff --git a/trunk/drivers/net/ethernet/freescale/fec_ptp.c b/trunk/drivers/net/ethernet/freescale/fec_ptp.c index 1f17ca0f2201..0d8df400a479 100644 --- a/trunk/drivers/net/ethernet/freescale/fec_ptp.c +++ b/trunk/drivers/net/ethernet/freescale/fec_ptp.c @@ -128,6 +128,7 @@ void fec_ptp_start_cyclecounter(struct net_device *ndev) spin_unlock_irqrestore(&fep->tmreg_lock, flags); } +EXPORT_SYMBOL(fec_ptp_start_cyclecounter); /** * fec_ptp_adjfreq - adjust ptp cycle frequency @@ -318,6 +319,7 @@ int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? -EFAULT : 0; } +EXPORT_SYMBOL(fec_ptp_ioctl); /** * fec_time_keep - call timecounter_read every second to avoid timer overrun @@ -383,3 +385,4 @@ void fec_ptp_init(struct net_device *ndev, struct platform_device *pdev) pr_info("registered PHC device on %s\n", ndev->name); } } +EXPORT_SYMBOL(fec_ptp_init); diff --git a/trunk/drivers/net/ethernet/intel/igb/e1000_82575.c b/trunk/drivers/net/ethernet/intel/igb/e1000_82575.c index b64542acfa34..12b1d8480808 100644 --- a/trunk/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/trunk/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1818,27 +1818,32 @@ static s32 igb_set_pcie_completion_timeout(struct e1000_hw *hw) **/ void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf) { - u32 dtxswc; + u32 reg_val, reg_offset; switch (hw->mac.type) { case e1000_82576: + reg_offset = E1000_DTXSWC; + break; case e1000_i350: - dtxswc = rd32(E1000_DTXSWC); - if (enable) { - dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK | - E1000_DTXSWC_VLAN_SPOOF_MASK); - /* The PF can spoof - it has to in order to - * support emulation mode NICs */ - dtxswc ^= (1 << pf | 1 << (pf + MAX_NUM_VFS)); - } else { - dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK | - E1000_DTXSWC_VLAN_SPOOF_MASK); - } - wr32(E1000_DTXSWC, dtxswc); + reg_offset = E1000_TXSWC; break; default: - break; + return; + } + + reg_val = rd32(reg_offset); + if (enable) { + reg_val |= (E1000_DTXSWC_MAC_SPOOF_MASK | + E1000_DTXSWC_VLAN_SPOOF_MASK); + /* The PF can spoof - it has to in order to + * support emulation mode NICs + */ + reg_val ^= (1 << pf | 1 << (pf + MAX_NUM_VFS)); + } else { + reg_val &= ~(E1000_DTXSWC_MAC_SPOOF_MASK | + E1000_DTXSWC_VLAN_SPOOF_MASK); } + wr32(reg_offset, reg_val); } /** diff --git a/trunk/drivers/net/ethernet/intel/igb/igb_hwmon.c b/trunk/drivers/net/ethernet/intel/igb/igb_hwmon.c index 4623502054d5..0478a1abe541 100644 --- a/trunk/drivers/net/ethernet/intel/igb/igb_hwmon.c +++ b/trunk/drivers/net/ethernet/intel/igb/igb_hwmon.c @@ -39,7 +39,7 @@ #include #ifdef CONFIG_IGB_HWMON -struct i2c_board_info i350_sensor_info = { +static struct i2c_board_info i350_sensor_info = { I2C_BOARD_INFO("i350bb", (0Xf8 >> 1)), }; diff --git a/trunk/drivers/net/ethernet/intel/igb/igb_main.c b/trunk/drivers/net/ethernet/intel/igb/igb_main.c index 4dbd62968c7a..8496adfc6a68 100644 --- a/trunk/drivers/net/ethernet/intel/igb/igb_main.c +++ b/trunk/drivers/net/ethernet/intel/igb/igb_main.c @@ -2542,8 +2542,8 @@ static void igb_probe_vfs(struct igb_adapter *adapter) if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211)) return; - igb_enable_sriov(pdev, max_vfs); pci_sriov_set_totalvfs(pdev, 7); + igb_enable_sriov(pdev, max_vfs); #endif /* CONFIG_PCI_IOV */ } @@ -2652,7 +2652,7 @@ static int igb_sw_init(struct igb_adapter *adapter) if (max_vfs > 7) { dev_warn(&pdev->dev, "Maximum of 7 VFs per PF, using max\n"); - adapter->vfs_allocated_count = 7; + max_vfs = adapter->vfs_allocated_count = 7; } else adapter->vfs_allocated_count = max_vfs; if (adapter->vfs_allocated_count) diff --git a/trunk/drivers/net/ethernet/intel/igb/igb_ptp.c b/trunk/drivers/net/ethernet/intel/igb/igb_ptp.c index 0987822359f0..0a237507ee85 100644 --- a/trunk/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/trunk/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -740,7 +740,7 @@ void igb_ptp_init(struct igb_adapter *adapter) case e1000_82576: snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr); adapter->ptp_caps.owner = THIS_MODULE; - adapter->ptp_caps.max_adj = 1000000000; + adapter->ptp_caps.max_adj = 999999881; adapter->ptp_caps.n_ext_ts = 0; adapter->ptp_caps.pps = 0; adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82576; diff --git a/trunk/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/trunk/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index c3db6cd69b68..2b6cb5ca48ee 100644 --- a/trunk/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/trunk/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -944,9 +944,17 @@ static int ixgbevf_request_msix_irqs(struct ixgbevf_adapter *adapter) free_irq(adapter->msix_entries[vector].vector, adapter->q_vector[vector]); } - pci_disable_msix(adapter->pdev); - kfree(adapter->msix_entries); - adapter->msix_entries = NULL; + /* This failure is non-recoverable - it indicates the system is + * out of MSIX vector resources and the VF driver cannot run + * without them. Set the number of msix vectors to zero + * indicating that not enough can be allocated. The error + * will be returned to the user indicating device open failed. + * Any further attempts to force the driver to open will also + * fail. The only way to recover is to unload the driver and + * reload it again. If the system has recovered some MSIX + * vectors then it may succeed. + */ + adapter->num_msix_vectors = 0; return err; } @@ -2572,6 +2580,15 @@ static int ixgbevf_open(struct net_device *netdev) struct ixgbe_hw *hw = &adapter->hw; int err; + /* A previous failure to open the device because of a lack of + * available MSIX vector resources may have reset the number + * of msix vectors variable to zero. The only way to recover + * is to unload/reload the driver and hope that the system has + * been able to recover some MSIX vector resources. + */ + if (!adapter->num_msix_vectors) + return -ENOMEM; + /* disallow open during test */ if (test_bit(__IXGBEVF_TESTING, &adapter->state)) return -EBUSY; @@ -2628,7 +2645,6 @@ static int ixgbevf_open(struct net_device *netdev) err_req_irq: ixgbevf_down(adapter); - ixgbevf_free_irq(adapter); err_setup_rx: ixgbevf_free_all_rx_resources(adapter); err_setup_tx: diff --git a/trunk/drivers/net/ethernet/lantiq_etop.c b/trunk/drivers/net/ethernet/lantiq_etop.c index 6a2127489af7..bfdb06860397 100644 --- a/trunk/drivers/net/ethernet/lantiq_etop.c +++ b/trunk/drivers/net/ethernet/lantiq_etop.c @@ -769,7 +769,7 @@ ltq_etop_probe(struct platform_device *pdev) return 0; err_free: - kfree(dev); + free_netdev(dev); err_out: return err; } diff --git a/trunk/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/trunk/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 995d4b6d5c1e..f278b10ef714 100644 --- a/trunk/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/trunk/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1637,6 +1637,17 @@ void mlx4_en_stop_port(struct net_device *dev, int detach) /* Flush multicast filter */ mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG); + /* Remove flow steering rules for the port*/ + if (mdev->dev->caps.steering_mode == + MLX4_STEERING_MODE_DEVICE_MANAGED) { + ASSERT_RTNL(); + list_for_each_entry_safe(flow, tmp_flow, + &priv->ethtool_list, list) { + mlx4_flow_detach(mdev->dev, flow->id); + list_del(&flow->list); + } + } + mlx4_en_destroy_drop_qp(priv); /* Free TX Rings */ @@ -1657,17 +1668,6 @@ void mlx4_en_stop_port(struct net_device *dev, int detach) if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN)) mdev->mac_removed[priv->port] = 1; - /* Remove flow steering rules for the port*/ - if (mdev->dev->caps.steering_mode == - MLX4_STEERING_MODE_DEVICE_MANAGED) { - ASSERT_RTNL(); - list_for_each_entry_safe(flow, tmp_flow, - &priv->ethtool_list, list) { - mlx4_flow_detach(mdev->dev, flow->id); - list_del(&flow->list); - } - } - /* Free RX Rings */ for (i = 0; i < priv->rx_ring_num; i++) { mlx4_en_deactivate_rx_ring(priv, &priv->rx_ring[i]); diff --git a/trunk/drivers/net/ethernet/mellanox/mlx4/eq.c b/trunk/drivers/net/ethernet/mellanox/mlx4/eq.c index 251ae2f93116..8e3123a1df88 100644 --- a/trunk/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/trunk/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -771,7 +771,7 @@ int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_slave_event_eq_info *event_eq = priv->mfunc.master.slave_state[slave].event_eq; u32 in_modifier = vhcr->in_modifier; - u32 eqn = in_modifier & 0x1FF; + u32 eqn = in_modifier & 0x3FF; u64 in_param = vhcr->in_param; int err = 0; int i; diff --git a/trunk/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/trunk/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 2995687f1aee..1391b52f443a 100644 --- a/trunk/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/trunk/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -99,6 +99,7 @@ struct res_qp { struct list_head mcg_list; spinlock_t mcg_spl; int local_qpn; + atomic_t ref_count; }; enum res_mtt_states { @@ -197,6 +198,7 @@ enum res_fs_rule_states { struct res_fs_rule { struct res_common com; + int qpn; }; static void *res_tracker_lookup(struct rb_root *root, u64 res_id) @@ -355,7 +357,7 @@ static int mpt_mask(struct mlx4_dev *dev) return dev->caps.num_mpts - 1; } -static void *find_res(struct mlx4_dev *dev, int res_id, +static void *find_res(struct mlx4_dev *dev, u64 res_id, enum mlx4_resource type) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -447,6 +449,7 @@ static struct res_common *alloc_qp_tr(int id) ret->local_qpn = id; INIT_LIST_HEAD(&ret->mcg_list); spin_lock_init(&ret->mcg_spl); + atomic_set(&ret->ref_count, 0); return &ret->com; } @@ -554,7 +557,7 @@ static struct res_common *alloc_xrcdn_tr(int id) return &ret->com; } -static struct res_common *alloc_fs_rule_tr(u64 id) +static struct res_common *alloc_fs_rule_tr(u64 id, int qpn) { struct res_fs_rule *ret; @@ -564,7 +567,7 @@ static struct res_common *alloc_fs_rule_tr(u64 id) ret->com.res_id = id; ret->com.state = RES_FS_RULE_ALLOCATED; - + ret->qpn = qpn; return &ret->com; } @@ -602,7 +605,7 @@ static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave, ret = alloc_xrcdn_tr(id); break; case RES_FS_RULE: - ret = alloc_fs_rule_tr(id); + ret = alloc_fs_rule_tr(id, extra); break; default: return NULL; @@ -671,10 +674,14 @@ static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, static int remove_qp_ok(struct res_qp *res) { - if (res->com.state == RES_QP_BUSY) + if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || + !list_empty(&res->mcg_list)) { + pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", + res->com.state, atomic_read(&res->ref_count)); return -EBUSY; - else if (res->com.state != RES_QP_RESERVED) + } else if (res->com.state != RES_QP_RESERVED) { return -EPERM; + } return 0; } @@ -3124,6 +3131,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; int err; int qpn; + struct res_qp *rqp; struct mlx4_net_trans_rule_hw_ctrl *ctrl; struct _rule_hw *rule_header; int header_id; @@ -3134,7 +3142,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; - err = get_res(dev, slave, qpn, RES_QP, NULL); + err = get_res(dev, slave, qpn, RES_QP, &rqp); if (err) { pr_err("Steering rule with qpn 0x%x rejected.\n", qpn); return err; @@ -3175,14 +3183,16 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, if (err) goto err_put; - err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, 0); + err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn); if (err) { mlx4_err(dev, "Fail to add flow steering resources.\n "); /* detach rule*/ mlx4_cmd(dev, vhcr->out_param, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); + goto err_put; } + atomic_inc(&rqp->ref_count); err_put: put_res(dev, slave, qpn, RES_QP); return err; @@ -3195,20 +3205,35 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_cmd_info *cmd) { int err; + struct res_qp *rqp; + struct res_fs_rule *rrule; if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) return -EOPNOTSUPP; + err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); + if (err) + return err; + /* Release the rule form busy state before removal */ + put_res(dev, slave, vhcr->in_param, RES_FS_RULE); + err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp); + if (err) + return err; + err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); if (err) { mlx4_err(dev, "Fail to remove flow steering resources.\n "); - return err; + goto out; } err = mlx4_cmd(dev, vhcr->in_param, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); + if (!err) + atomic_dec(&rqp->ref_count); +out: + put_res(dev, slave, rrule->qpn, RES_QP); return err; } @@ -3806,6 +3831,7 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); /*VLAN*/ rem_slave_macs(dev, slave); + rem_slave_fs_rule(dev, slave); rem_slave_qps(dev, slave); rem_slave_srqs(dev, slave); rem_slave_cqs(dev, slave); @@ -3814,6 +3840,5 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) rem_slave_mtts(dev, slave); rem_slave_counters(dev, slave); rem_slave_xrcdns(dev, slave); - rem_slave_fs_rule(dev, slave); mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); } diff --git a/trunk/drivers/net/ethernet/nxp/lpc_eth.c b/trunk/drivers/net/ethernet/nxp/lpc_eth.c index c4122c86f829..efa29b712d5f 100644 --- a/trunk/drivers/net/ethernet/nxp/lpc_eth.c +++ b/trunk/drivers/net/ethernet/nxp/lpc_eth.c @@ -1472,7 +1472,8 @@ static int lpc_eth_drv_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, ndev); - if (lpc_mii_init(pldat) != 0) + ret = lpc_mii_init(pldat); + if (ret) goto err_out_unregister_netdev; netdev_info(ndev, "LPC mac at 0x%08x irq %d\n", diff --git a/trunk/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/trunk/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 39ab4d09faaa..73ce7dd6b954 100644 --- a/trunk/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/trunk/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -1726,9 +1726,9 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, skb->protocol = eth_type_trans(skb, netdev); if (tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) - skb->ip_summed = CHECKSUM_NONE; - else skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; napi_gro_receive(&adapter->napi, skb); (*work_done)++; diff --git a/trunk/drivers/net/ethernet/renesas/sh_eth.c b/trunk/drivers/net/ethernet/renesas/sh_eth.c index 33e96176e4d8..bf5e3cf97c4d 100644 --- a/trunk/drivers/net/ethernet/renesas/sh_eth.c +++ b/trunk/drivers/net/ethernet/renesas/sh_eth.c @@ -2220,6 +2220,7 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp) /* MDIO bus release function */ static int sh_mdio_release(struct net_device *ndev) { + struct sh_eth_private *mdp = netdev_priv(ndev); struct mii_bus *bus = dev_get_drvdata(&ndev->dev); /* unregister mdio bus */ @@ -2234,6 +2235,9 @@ static int sh_mdio_release(struct net_device *ndev) /* free bitbang info */ free_mdio_bitbang(bus); + /* free bitbang memory */ + kfree(mdp->bitbang); + return 0; } @@ -2262,6 +2266,7 @@ static int sh_mdio_init(struct net_device *ndev, int id, bitbang->ctrl.ops = &bb_ops; /* MII controller setting */ + mdp->bitbang = bitbang; mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); if (!mdp->mii_bus) { ret = -ENOMEM; @@ -2441,6 +2446,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev) } mdp->tsu_addr = ioremap(rtsu->start, resource_size(rtsu)); + if (mdp->tsu_addr == NULL) { + ret = -ENOMEM; + dev_err(&pdev->dev, "TSU ioremap failed.\n"); + goto out_release; + } mdp->port = devno % 2; ndev->features = NETIF_F_HW_VLAN_FILTER; } diff --git a/trunk/drivers/net/ethernet/renesas/sh_eth.h b/trunk/drivers/net/ethernet/renesas/sh_eth.h index bae84fd2e73a..e6655678458e 100644 --- a/trunk/drivers/net/ethernet/renesas/sh_eth.h +++ b/trunk/drivers/net/ethernet/renesas/sh_eth.h @@ -705,6 +705,7 @@ struct sh_eth_private { const u16 *reg_offset; void __iomem *addr; void __iomem *tsu_addr; + struct bb_info *bitbang; u32 num_rx_ring; u32 num_tx_ring; dma_addr_t rx_desc_dma; diff --git a/trunk/drivers/net/ethernet/ti/cpsw.c b/trunk/drivers/net/ethernet/ti/cpsw.c index 75c48558e6fd..df32a090d08e 100644 --- a/trunk/drivers/net/ethernet/ti/cpsw.c +++ b/trunk/drivers/net/ethernet/ti/cpsw.c @@ -1364,7 +1364,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, struct platform_device *mdio; parp = of_get_property(slave_node, "phy_id", &lenp); - if ((parp == NULL) && (lenp != (sizeof(void *) * 2))) { + if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { pr_err("Missing slave[%d] phy_id property\n", i); ret = -EINVAL; goto error_ret; diff --git a/trunk/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/trunk/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 4cc13940c895..f76c3ca07a45 100644 --- a/trunk/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/trunk/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -1023,6 +1023,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, AR_PHY_AGC_CONTROL_FLTR_CAL | AR_PHY_AGC_CONTROL_PKDET_CAL; + /* Use chip chainmask only for calibration */ ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask); if (rtt) { @@ -1150,6 +1151,9 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, ar9003_hw_rtt_disable(ah); } + /* Revert chainmask to runtime parameters */ + ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask); + /* Initialize list pointers */ ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; diff --git a/trunk/drivers/net/wireless/ath/ath9k/link.c b/trunk/drivers/net/wireless/ath/ath9k/link.c index ade3afb21f91..39c84ecf6a42 100644 --- a/trunk/drivers/net/wireless/ath/ath9k/link.c +++ b/trunk/drivers/net/wireless/ath/ath9k/link.c @@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct work_struct *work) int i; bool needreset = false; - for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) - if (ATH_TXQ_SETUP(sc, i)) { - txq = &sc->tx.txq[i]; - ath_txq_lock(sc, txq); - if (txq->axq_depth) { - if (txq->axq_tx_inprogress) { - needreset = true; - ath_txq_unlock(sc, txq); - break; - } else { - txq->axq_tx_inprogress = true; - } + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + txq = sc->tx.txq_map[i]; + + ath_txq_lock(sc, txq); + if (txq->axq_depth) { + if (txq->axq_tx_inprogress) { + needreset = true; + ath_txq_unlock(sc, txq); + break; + } else { + txq->axq_tx_inprogress = true; } - ath_txq_unlock_complete(sc, txq); } + ath_txq_unlock_complete(sc, txq); + } if (needreset) { ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, diff --git a/trunk/drivers/net/wireless/iwlegacy/3945-mac.c b/trunk/drivers/net/wireless/iwlegacy/3945-mac.c index 3630a41df50d..c353b5f19c8c 100644 --- a/trunk/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/trunk/drivers/net/wireless/iwlegacy/3945-mac.c @@ -475,6 +475,7 @@ il3945_tx_skb(struct il_priv *il, dma_addr_t txcmd_phys; int txq_id = skb_get_queue_mapping(skb); u16 len, idx, hdr_len; + u16 firstlen, secondlen; u8 id; u8 unicast; u8 sta_id; @@ -589,21 +590,22 @@ il3945_tx_skb(struct il_priv *il, len = sizeof(struct il3945_tx_cmd) + sizeof(struct il_cmd_header) + hdr_len; - len = (len + 3) & ~3; + firstlen = (len + 3) & ~3; /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ txcmd_phys = - pci_map_single(il->pci_dev, &out_cmd->hdr, len, PCI_DMA_TODEVICE); + pci_map_single(il->pci_dev, &out_cmd->hdr, firstlen, + PCI_DMA_TODEVICE); if (unlikely(pci_dma_mapping_error(il->pci_dev, txcmd_phys))) goto drop_unlock; /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ - len = skb->len - hdr_len; - if (len) { + secondlen = skb->len - hdr_len; + if (secondlen > 0) { phys_addr = - pci_map_single(il->pci_dev, skb->data + hdr_len, len, + pci_map_single(il->pci_dev, skb->data + hdr_len, secondlen, PCI_DMA_TODEVICE); if (unlikely(pci_dma_mapping_error(il->pci_dev, phys_addr))) goto drop_unlock; @@ -611,12 +613,12 @@ il3945_tx_skb(struct il_priv *il, /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ - il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0); + il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0); dma_unmap_addr_set(out_meta, mapping, txcmd_phys); - dma_unmap_len_set(out_meta, len, len); - if (len) - il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, len, 0, - U32_PAD(len)); + dma_unmap_len_set(out_meta, len, firstlen); + if (secondlen > 0) + il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, secondlen, 0, + U32_PAD(secondlen)); if (!ieee80211_has_morefrags(hdr->frame_control)) { txq->need_update = 1; diff --git a/trunk/drivers/net/wireless/mwifiex/cmdevt.c b/trunk/drivers/net/wireless/mwifiex/cmdevt.c index 20a6c5555873..b5c8b962ce12 100644 --- a/trunk/drivers/net/wireless/mwifiex/cmdevt.c +++ b/trunk/drivers/net/wireless/mwifiex/cmdevt.c @@ -157,6 +157,20 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, return -1; } + cmd_code = le16_to_cpu(host_cmd->command); + cmd_size = le16_to_cpu(host_cmd->size); + + if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET && + cmd_code != HostCmd_CMD_FUNC_SHUTDOWN && + cmd_code != HostCmd_CMD_FUNC_INIT) { + dev_err(adapter->dev, + "DNLD_CMD: FW in reset state, ignore cmd %#x\n", + cmd_code); + mwifiex_complete_cmd(adapter, cmd_node); + mwifiex_insert_cmd_to_free_q(adapter, cmd_node); + return -1; + } + /* Set command sequence number */ adapter->seq_num++; host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO @@ -168,9 +182,6 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, adapter->curr_cmd = cmd_node; spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); - cmd_code = le16_to_cpu(host_cmd->command); - cmd_size = le16_to_cpu(host_cmd->size); - /* Adjust skb length */ if (cmd_node->cmd_skb->len > cmd_size) /* @@ -484,8 +495,6 @@ int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no, ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid, data_buf); - if (!ret) - ret = mwifiex_wait_queue_complete(adapter); return ret; } @@ -588,9 +597,10 @@ int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, if (cmd_no == HostCmd_CMD_802_11_SCAN) { mwifiex_queue_scan_cmd(priv, cmd_node); } else { - adapter->cmd_queued = cmd_node; mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); queue_work(adapter->workqueue, &adapter->main_work); + if (cmd_node->wait_q_enabled) + ret = mwifiex_wait_queue_complete(adapter, cmd_node); } return ret; diff --git a/trunk/drivers/net/wireless/mwifiex/init.c b/trunk/drivers/net/wireless/mwifiex/init.c index e38aa9b3663d..0ff4c37ab42a 100644 --- a/trunk/drivers/net/wireless/mwifiex/init.c +++ b/trunk/drivers/net/wireless/mwifiex/init.c @@ -709,6 +709,14 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) return ret; } + /* cancel current command */ + if (adapter->curr_cmd) { + dev_warn(adapter->dev, "curr_cmd is still in processing\n"); + del_timer(&adapter->cmd_timer); + mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); + adapter->curr_cmd = NULL; + } + /* shut down mwifiex */ dev_dbg(adapter->dev, "info: shutdown mwifiex...\n"); diff --git a/trunk/drivers/net/wireless/mwifiex/main.h b/trunk/drivers/net/wireless/mwifiex/main.h index 553adfb0aa81..7035ade9af74 100644 --- a/trunk/drivers/net/wireless/mwifiex/main.h +++ b/trunk/drivers/net/wireless/mwifiex/main.h @@ -723,7 +723,6 @@ struct mwifiex_adapter { u16 cmd_wait_q_required; struct mwifiex_wait_queue cmd_wait_q; u8 scan_wait_q_woken; - struct cmd_ctrl_node *cmd_queued; spinlock_t queue_lock; /* lock for tx queues */ struct completion fw_load; u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; @@ -1018,7 +1017,8 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, struct mwifiex_multicast_list *mcast_list); int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, struct net_device *dev); -int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter); +int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter, + struct cmd_ctrl_node *cmd_queued); int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, struct cfg80211_ssid *req_ssid); int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type); diff --git a/trunk/drivers/net/wireless/mwifiex/scan.c b/trunk/drivers/net/wireless/mwifiex/scan.c index bb60c2754a97..d215b4d3c51b 100644 --- a/trunk/drivers/net/wireless/mwifiex/scan.c +++ b/trunk/drivers/net/wireless/mwifiex/scan.c @@ -1388,10 +1388,13 @@ int mwifiex_scan_networks(struct mwifiex_private *priv, list_del(&cmd_node->list); spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); - adapter->cmd_queued = cmd_node; mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); queue_work(adapter->workqueue, &adapter->main_work); + + /* Perform internal scan synchronously */ + if (!priv->scan_request) + mwifiex_wait_queue_complete(adapter, cmd_node); } else { spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); @@ -1946,9 +1949,6 @@ int mwifiex_request_scan(struct mwifiex_private *priv, /* Normal scan */ ret = mwifiex_scan_networks(priv, NULL); - if (!ret) - ret = mwifiex_wait_queue_complete(priv->adapter); - up(&priv->async_sem); return ret; diff --git a/trunk/drivers/net/wireless/mwifiex/sta_ioctl.c b/trunk/drivers/net/wireless/mwifiex/sta_ioctl.c index 9f33c92c90f5..13100f8de3db 100644 --- a/trunk/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/trunk/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -54,16 +54,10 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, * This function waits on a cmd wait queue. It also cancels the pending * request after waking up, in case of errors. */ -int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter) +int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter, + struct cmd_ctrl_node *cmd_queued) { int status; - struct cmd_ctrl_node *cmd_queued; - - if (!adapter->cmd_queued) - return 0; - - cmd_queued = adapter->cmd_queued; - adapter->cmd_queued = NULL; dev_dbg(adapter->dev, "cmd pending\n"); atomic_inc(&adapter->cmd_pending); diff --git a/trunk/drivers/net/wireless/rtlwifi/usb.c b/trunk/drivers/net/wireless/rtlwifi/usb.c index 156b52732f3d..5847d6d0881e 100644 --- a/trunk/drivers/net/wireless/rtlwifi/usb.c +++ b/trunk/drivers/net/wireless/rtlwifi/usb.c @@ -851,6 +851,7 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, if (unlikely(!_urb)) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't allocate urb. Drop skb!\n"); + kfree_skb(skb); return; } _rtl_submit_tx_urb(hw, _urb); diff --git a/trunk/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/trunk/drivers/pinctrl/mvebu/pinctrl-mvebu.c index c689c04a4f52..2d2f0a43d36b 100644 --- a/trunk/drivers/pinctrl/mvebu/pinctrl-mvebu.c +++ b/trunk/drivers/pinctrl/mvebu/pinctrl-mvebu.c @@ -620,7 +620,7 @@ int mvebu_pinctrl_probe(struct platform_device *pdev) /* special soc specific control */ if (ctrl->mpp_get || ctrl->mpp_set) { - if (!ctrl->name || !ctrl->mpp_set || !ctrl->mpp_set) { + if (!ctrl->name || !ctrl->mpp_get || !ctrl->mpp_set) { dev_err(&pdev->dev, "wrong soc control info\n"); return -EINVAL; } diff --git a/trunk/drivers/pinctrl/pinconf.c b/trunk/drivers/pinctrl/pinconf.c index ac8d382a79bb..d611ecfcbf70 100644 --- a/trunk/drivers/pinctrl/pinconf.c +++ b/trunk/drivers/pinctrl/pinconf.c @@ -622,7 +622,7 @@ static const struct file_operations pinconf_dbg_pinname_fops = { static int pinconf_dbg_state_print(struct seq_file *s, void *d) { if (strlen(dbg_state_name)) - seq_printf(s, "%s\n", dbg_pinname); + seq_printf(s, "%s\n", dbg_state_name); else seq_printf(s, "No pin state set\n"); return 0; diff --git a/trunk/drivers/pinctrl/pinconf.h b/trunk/drivers/pinctrl/pinconf.h index e3ed8cb072a5..bfda73d64eed 100644 --- a/trunk/drivers/pinctrl/pinconf.h +++ b/trunk/drivers/pinctrl/pinconf.h @@ -90,7 +90,7 @@ static inline void pinconf_init_device_debugfs(struct dentry *devroot, * pin config. */ -#ifdef CONFIG_GENERIC_PINCONF +#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS) void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned pin); diff --git a/trunk/drivers/pinctrl/pinctrl-abx500.c b/trunk/drivers/pinctrl/pinctrl-abx500.c index caecdd373061..c542a97c82f3 100644 --- a/trunk/drivers/pinctrl/pinctrl-abx500.c +++ b/trunk/drivers/pinctrl/pinctrl-abx500.c @@ -422,7 +422,7 @@ static u8 abx500_get_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip, } /* check if pin use AlternateFunction register */ - if ((af.alt_bit1 == UNUSED) && (af.alt_bit1 == UNUSED)) + if ((af.alt_bit1 == UNUSED) && (af.alt_bit2 == UNUSED)) return mode; /* * if pin GPIOSEL bit is set and pin supports alternate function, diff --git a/trunk/drivers/pinctrl/pinmux.c b/trunk/drivers/pinctrl/pinmux.c index 1a00658b3ea0..bd83c8b01cd1 100644 --- a/trunk/drivers/pinctrl/pinmux.c +++ b/trunk/drivers/pinctrl/pinmux.c @@ -194,6 +194,11 @@ static const char *pin_free(struct pinctrl_dev *pctldev, int pin, } if (!gpio_range) { + /* + * A pin should not be freed more times than allocated. + */ + if (WARN_ON(!desc->mux_usecount)) + return NULL; desc->mux_usecount--; if (desc->mux_usecount) return NULL; diff --git a/trunk/drivers/rtc/rtc-stmp3xxx.c b/trunk/drivers/rtc/rtc-stmp3xxx.c index 98f0d3c30738..67d26128bc85 100644 --- a/trunk/drivers/rtc/rtc-stmp3xxx.c +++ b/trunk/drivers/rtc/rtc-stmp3xxx.c @@ -30,8 +30,6 @@ #include #include -#include - #define STMP3XXX_RTC_CTRL 0x0 #define STMP3XXX_RTC_CTRL_SET 0x4 #define STMP3XXX_RTC_CTRL_CLR 0x8 @@ -271,7 +269,7 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc_data); - mxs_reset_block(rtc_data->io); + stmp_reset_block(rtc_data->io); writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE, @@ -319,7 +317,7 @@ static int stmp3xxx_rtc_resume(struct platform_device *dev) { struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(dev); - mxs_reset_block(rtc_data->io); + stmp_reset_block(rtc_data->io); writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE, diff --git a/trunk/drivers/spi/spi-mxs.c b/trunk/drivers/spi/spi-mxs.c index 22a0af0147fb..7b1c014b0740 100644 --- a/trunk/drivers/spi/spi-mxs.c +++ b/trunk/drivers/spi/spi-mxs.c @@ -490,21 +490,6 @@ static int mxs_spi_transfer_one(struct spi_master *master, return status; } -static bool mxs_ssp_dma_filter(struct dma_chan *chan, void *param) -{ - struct mxs_ssp *ssp = param; - - if (!mxs_dma_is_apbh(chan)) - return false; - - if (chan->chan_id != ssp->dma_channel) - return false; - - chan->private = &ssp->dma_data; - - return true; -} - static const struct of_device_id mxs_spi_dt_ids[] = { { .compatible = "fsl,imx23-spi", .data = (void *) IMX23_SSP, }, { .compatible = "fsl,imx28-spi", .data = (void *) IMX28_SSP, }, @@ -520,13 +505,12 @@ static int mxs_spi_probe(struct platform_device *pdev) struct spi_master *master; struct mxs_spi *spi; struct mxs_ssp *ssp; - struct resource *iores, *dmares; + struct resource *iores; struct pinctrl *pinctrl; struct clk *clk; void __iomem *base; - int devid, dma_channel, clk_freq; - int ret = 0, irq_err, irq_dma; - dma_cap_mask_t mask; + int devid, clk_freq; + int ret = 0, irq_err; /* * Default clock speed for the SPI core. 160MHz seems to @@ -537,8 +521,7 @@ static int mxs_spi_probe(struct platform_device *pdev) iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq_err = platform_get_irq(pdev, 0); - irq_dma = platform_get_irq(pdev, 1); - if (!iores || irq_err < 0 || irq_dma < 0) + if (!iores || irq_err < 0) return -EINVAL; base = devm_ioremap_resource(&pdev->dev, iores); @@ -553,32 +536,11 @@ static int mxs_spi_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); - if (np) { - devid = (enum mxs_ssp_id) of_id->data; - /* - * TODO: This is a temporary solution and should be changed - * to use generic DMA binding later when the helpers get in. - */ - ret = of_property_read_u32(np, "fsl,ssp-dma-channel", - &dma_channel); - if (ret) { - dev_err(&pdev->dev, - "Failed to get DMA channel\n"); - return -EINVAL; - } - - ret = of_property_read_u32(np, "clock-frequency", - &clk_freq); - if (ret) - clk_freq = clk_freq_default; - } else { - dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!dmares) - return -EINVAL; - devid = pdev->id_entry->driver_data; - dma_channel = dmares->start; + devid = (enum mxs_ssp_id) of_id->data; + ret = of_property_read_u32(np, "clock-frequency", + &clk_freq); + if (ret) clk_freq = clk_freq_default; - } master = spi_alloc_master(&pdev->dev, sizeof(*spi)); if (!master) @@ -597,7 +559,6 @@ static int mxs_spi_probe(struct platform_device *pdev) ssp->clk = clk; ssp->base = base; ssp->devid = devid; - ssp->dma_channel = dma_channel; init_completion(&spi->c); @@ -606,10 +567,7 @@ static int mxs_spi_probe(struct platform_device *pdev) if (ret) goto out_master_free; - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - ssp->dma_data.chan_irq = irq_dma; - ssp->dmach = dma_request_channel(mask, mxs_ssp_dma_filter, ssp); + ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx"); if (!ssp->dmach) { dev_err(ssp->dev, "Failed to request DMA\n"); goto out_master_free; diff --git a/trunk/drivers/staging/comedi/drivers/s626.c b/trunk/drivers/staging/comedi/drivers/s626.c index 81a1fe661579..71a73ec5af8d 100644 --- a/trunk/drivers/staging/comedi/drivers/s626.c +++ b/trunk/drivers/staging/comedi/drivers/s626.c @@ -1483,7 +1483,7 @@ static int s626_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) case TRIG_NONE: /* continous acquisition */ devpriv->ai_continous = 1; - devpriv->ai_sample_count = 0; + devpriv->ai_sample_count = 1; break; } diff --git a/trunk/drivers/staging/iio/adc/mxs-lradc.c b/trunk/drivers/staging/iio/adc/mxs-lradc.c index 55a459b61907..0eb5b4d759e5 100644 --- a/trunk/drivers/staging/iio/adc/mxs-lradc.c +++ b/trunk/drivers/staging/iio/adc/mxs-lradc.c @@ -36,9 +36,6 @@ #include #include -#include -#include - #include #include #include diff --git a/trunk/drivers/staging/zcache/Kconfig b/trunk/drivers/staging/zcache/Kconfig index 73582705e8c5..5c3714530961 100644 --- a/trunk/drivers/staging/zcache/Kconfig +++ b/trunk/drivers/staging/zcache/Kconfig @@ -15,7 +15,7 @@ config RAMSTER depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE=y depends on NET # must ensure struct page is 8-byte aligned - select HAVE_ALIGNED_STRUCT_PAGE if !64_BIT + select HAVE_ALIGNED_STRUCT_PAGE if !64BIT default n help RAMster allows RAM on other machines in a cluster to be utilized diff --git a/trunk/drivers/target/target_core_transport.c b/trunk/drivers/target/target_core_transport.c index 2030b608136d..3243ea790eab 100644 --- a/trunk/drivers/target/target_core_transport.c +++ b/trunk/drivers/target/target_core_transport.c @@ -1139,8 +1139,10 @@ target_setup_cmd_from_cdb(struct se_cmd *cmd, unsigned char *cdb) return ret; ret = target_check_reservation(cmd); - if (ret) + if (ret) { + cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT; return ret; + } ret = dev->transport->parse_cdb(cmd); if (ret) diff --git a/trunk/drivers/tty/serial/8250/8250.c b/trunk/drivers/tty/serial/8250/8250_core.c similarity index 99% rename from trunk/drivers/tty/serial/8250/8250.c rename to trunk/drivers/tty/serial/8250/8250_core.c index cf6a5383748a..35f9c96aada9 100644 --- a/trunk/drivers/tty/serial/8250/8250.c +++ b/trunk/drivers/tty/serial/8250/8250_core.c @@ -3418,6 +3418,7 @@ MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA"); #endif MODULE_ALIAS_CHARDEV_MAJOR(TTY_MAJOR); +#ifdef CONFIG_SERIAL_8250_DEPRECATED_OPTIONS #ifndef MODULE /* This module was renamed to 8250_core in 3.7. Keep the old "8250" name * working as well for the module options so we don't break people. We @@ -3432,7 +3433,7 @@ MODULE_ALIAS_CHARDEV_MAJOR(TTY_MAJOR); static void __used s8250_options(void) { #undef MODULE_PARAM_PREFIX -#define MODULE_PARAM_PREFIX "8250." +#define MODULE_PARAM_PREFIX "8250_core." module_param_cb(share_irqs, ¶m_ops_uint, &share_irqs, 0644); module_param_cb(nr_uarts, ¶m_ops_uint, &nr_uarts, 0644); @@ -3444,5 +3445,6 @@ static void __used s8250_options(void) #endif } #else -MODULE_ALIAS("8250"); +MODULE_ALIAS("8250_core"); +#endif #endif diff --git a/trunk/drivers/tty/serial/8250/8250_pci.c b/trunk/drivers/tty/serial/8250/8250_pci.c index aa76825229dc..26e3a97ab157 100644 --- a/trunk/drivers/tty/serial/8250/8250_pci.c +++ b/trunk/drivers/tty/serial/8250/8250_pci.c @@ -1554,6 +1554,7 @@ pci_wch_ch353_setup(struct serial_private *priv, #define PCI_DEVICE_ID_PLX_CRONYX_OMEGA 0xc001 #define PCI_DEVICE_ID_INTEL_PATSBURG_KT 0x1d3d #define PCI_VENDOR_ID_WCH 0x4348 +#define PCI_DEVICE_ID_WCH_CH352_2S 0x3253 #define PCI_DEVICE_ID_WCH_CH353_4S 0x3453 #define PCI_DEVICE_ID_WCH_CH353_2S1PF 0x5046 #define PCI_DEVICE_ID_WCH_CH353_2S1P 0x7053 @@ -2172,6 +2173,14 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .subdevice = PCI_ANY_ID, .setup = pci_wch_ch353_setup, }, + /* WCH CH352 2S card (16550 clone) */ + { + .vendor = PCI_VENDOR_ID_WCH, + .device = PCI_DEVICE_ID_WCH_CH352_2S, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = pci_wch_ch353_setup, + }, /* * ASIX devices with FIFO bug */ @@ -4870,6 +4879,10 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_bt_2_115200 }, + { PCI_VENDOR_ID_WCH, PCI_DEVICE_ID_WCH_CH352_2S, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b0_bt_2_115200 }, + /* * Commtech, Inc. Fastcom adapters */ diff --git a/trunk/drivers/tty/serial/8250/Kconfig b/trunk/drivers/tty/serial/8250/Kconfig index 2ef9537bcb2c..80fe91e64a52 100644 --- a/trunk/drivers/tty/serial/8250/Kconfig +++ b/trunk/drivers/tty/serial/8250/Kconfig @@ -33,6 +33,23 @@ config SERIAL_8250 Most people will say Y or M here, so that they can use serial mice, modems and similar devices connecting to the standard serial ports. +config SERIAL_8250_DEPRECATED_OPTIONS + bool "Support 8250_core.* kernel options (DEPRECATED)" + depends on SERIAL_8250 + default y + ---help--- + In 3.7 we renamed 8250 to 8250_core by mistake, so now we have to + accept kernel parameters in both forms like 8250_core.nr_uarts=4 and + 8250.nr_uarts=4. We now renamed the module back to 8250, but if + anybody noticed in 3.7 and changed their userspace we still have to + keep the 8350_core.* options around until they revert the changes + they already did. + + If 8250 is built as a module, this adds 8250_core alias instead. + + If you did not notice yet and/or you have userspace from pre-3.7, it + is safe (and recommended) to say N here. + config SERIAL_8250_PNP bool "8250/16550 PNP device support" if EXPERT depends on SERIAL_8250 && PNP diff --git a/trunk/drivers/tty/serial/8250/Makefile b/trunk/drivers/tty/serial/8250/Makefile index a23838a4d535..36d68d054307 100644 --- a/trunk/drivers/tty/serial/8250/Makefile +++ b/trunk/drivers/tty/serial/8250/Makefile @@ -2,10 +2,10 @@ # Makefile for the 8250 serial device drivers. # -obj-$(CONFIG_SERIAL_8250) += 8250_core.o -8250_core-y := 8250.o -8250_core-$(CONFIG_SERIAL_8250_PNP) += 8250_pnp.o -8250_core-$(CONFIG_SERIAL_8250_DMA) += 8250_dma.o +obj-$(CONFIG_SERIAL_8250) += 8250.o +8250-y := 8250_core.o +8250-$(CONFIG_SERIAL_8250_PNP) += 8250_pnp.o +8250-$(CONFIG_SERIAL_8250_DMA) += 8250_dma.o obj-$(CONFIG_SERIAL_8250_GSC) += 8250_gsc.o obj-$(CONFIG_SERIAL_8250_PCI) += 8250_pci.o obj-$(CONFIG_SERIAL_8250_HP300) += 8250_hp300.o diff --git a/trunk/drivers/tty/serial/atmel_serial.c b/trunk/drivers/tty/serial/atmel_serial.c index d4a7c241b751..3467462869ce 100644 --- a/trunk/drivers/tty/serial/atmel_serial.c +++ b/trunk/drivers/tty/serial/atmel_serial.c @@ -158,7 +158,7 @@ struct atmel_uart_port { }; static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART]; -static unsigned long atmel_ports_in_use; +static DECLARE_BITMAP(atmel_ports_in_use, ATMEL_MAX_UART); #ifdef SUPPORT_SYSRQ static struct console atmel_console; @@ -1769,15 +1769,14 @@ static int atmel_serial_probe(struct platform_device *pdev) if (ret < 0) /* port id not found in platform data nor device-tree aliases: * auto-enumerate it */ - ret = find_first_zero_bit(&atmel_ports_in_use, - sizeof(atmel_ports_in_use)); + ret = find_first_zero_bit(atmel_ports_in_use, ATMEL_MAX_UART); - if (ret > ATMEL_MAX_UART) { + if (ret >= ATMEL_MAX_UART) { ret = -ENODEV; goto err; } - if (test_and_set_bit(ret, &atmel_ports_in_use)) { + if (test_and_set_bit(ret, atmel_ports_in_use)) { /* port already in use */ ret = -EBUSY; goto err; @@ -1857,7 +1856,7 @@ static int atmel_serial_remove(struct platform_device *pdev) /* "port" is allocated statically, so we shouldn't free it */ - clear_bit(port->line, &atmel_ports_in_use); + clear_bit(port->line, atmel_ports_in_use); clk_put(atmel_port->clk); diff --git a/trunk/drivers/tty/serial/mxs-auart.c b/trunk/drivers/tty/serial/mxs-auart.c index d549fe1fa42a..269a27caff33 100644 --- a/trunk/drivers/tty/serial/mxs-auart.c +++ b/trunk/drivers/tty/serial/mxs-auart.c @@ -35,7 +35,7 @@ #include #include #include -#include +#include #include @@ -148,11 +148,6 @@ struct mxs_auart_port { struct device *dev; /* for DMA */ - struct mxs_dma_data dma_data; - int dma_channel_rx, dma_channel_tx; - int dma_irq_rx, dma_irq_tx; - int dma_channel; - struct scatterlist tx_sgl; struct dma_chan *tx_dma_chan; void *tx_dma_buf; @@ -440,20 +435,6 @@ static u32 mxs_auart_get_mctrl(struct uart_port *u) return mctrl; } -static bool mxs_auart_dma_filter(struct dma_chan *chan, void *param) -{ - struct mxs_auart_port *s = param; - - if (!mxs_dma_is_apbx(chan)) - return false; - - if (s->dma_channel == chan->chan_id) { - chan->private = &s->dma_data; - return true; - } - return false; -} - static int mxs_auart_dma_prep_rx(struct mxs_auart_port *s); static void dma_rx_callback(void *arg) { @@ -545,21 +526,11 @@ static void mxs_auart_dma_exit(struct mxs_auart_port *s) static int mxs_auart_dma_init(struct mxs_auart_port *s) { - dma_cap_mask_t mask; - if (auart_dma_enabled(s)) return 0; - /* We do not get the right DMA channels. */ - if (s->dma_channel_rx == -1 || s->dma_channel_tx == -1) - return -EINVAL; - /* init for RX */ - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - s->dma_channel = s->dma_channel_rx; - s->dma_data.chan_irq = s->dma_irq_rx; - s->rx_dma_chan = dma_request_channel(mask, mxs_auart_dma_filter, s); + s->rx_dma_chan = dma_request_slave_channel(s->dev, "rx"); if (!s->rx_dma_chan) goto err_out; s->rx_dma_buf = kzalloc(UART_XMIT_SIZE, GFP_KERNEL | GFP_DMA); @@ -567,9 +538,7 @@ static int mxs_auart_dma_init(struct mxs_auart_port *s) goto err_out; /* init for TX */ - s->dma_channel = s->dma_channel_tx; - s->dma_data.chan_irq = s->dma_irq_tx; - s->tx_dma_chan = dma_request_channel(mask, mxs_auart_dma_filter, s); + s->tx_dma_chan = dma_request_slave_channel(s->dev, "tx"); if (!s->tx_dma_chan) goto err_out; s->tx_dma_buf = kzalloc(UART_XMIT_SIZE, GFP_KERNEL | GFP_DMA); @@ -1020,7 +989,6 @@ static int serial_mxs_probe_dt(struct mxs_auart_port *s, struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - u32 dma_channel[2]; int ret; if (!np) @@ -1034,20 +1002,8 @@ static int serial_mxs_probe_dt(struct mxs_auart_port *s, } s->port.line = ret; - s->dma_irq_rx = platform_get_irq(pdev, 1); - s->dma_irq_tx = platform_get_irq(pdev, 2); + s->flags |= MXS_AUART_DMA_CONFIG; - ret = of_property_read_u32_array(np, "fsl,auart-dma-channel", - dma_channel, 2); - if (ret == 0) { - s->dma_channel_rx = dma_channel[0]; - s->dma_channel_tx = dma_channel[1]; - - s->flags |= MXS_AUART_DMA_CONFIG; - } else { - s->dma_channel_rx = -1; - s->dma_channel_tx = -1; - } return 0; } diff --git a/trunk/drivers/tty/serial/xilinx_uartps.c b/trunk/drivers/tty/serial/xilinx_uartps.c index ba451c7209fc..f36bbba1ac8b 100644 --- a/trunk/drivers/tty/serial/xilinx_uartps.c +++ b/trunk/drivers/tty/serial/xilinx_uartps.c @@ -578,6 +578,8 @@ static int xuartps_startup(struct uart_port *port) /* Receive Timeout register is enabled with value of 10 */ xuartps_writel(10, XUARTPS_RXTOUT_OFFSET); + /* Clear out any pending interrupts before enabling them */ + xuartps_writel(xuartps_readl(XUARTPS_ISR_OFFSET), XUARTPS_ISR_OFFSET); /* Set the Interrupt Registers with desired interrupts */ xuartps_writel(XUARTPS_IXR_TXEMPTY | XUARTPS_IXR_PARITY | diff --git a/trunk/drivers/tty/vt/vc_screen.c b/trunk/drivers/tty/vt/vc_screen.c index e4ca345873c3..d7799deacb21 100644 --- a/trunk/drivers/tty/vt/vc_screen.c +++ b/trunk/drivers/tty/vt/vc_screen.c @@ -93,7 +93,7 @@ vcs_poll_data_free(struct vcs_poll_data *poll) static struct vcs_poll_data * vcs_poll_data_get(struct file *file) { - struct vcs_poll_data *poll = file->private_data; + struct vcs_poll_data *poll = file->private_data, *kill = NULL; if (poll) return poll; @@ -122,10 +122,12 @@ vcs_poll_data_get(struct file *file) file->private_data = poll; } else { /* someone else raced ahead of us */ - vcs_poll_data_free(poll); + kill = poll; poll = file->private_data; } spin_unlock(&file->f_lock); + if (kill) + vcs_poll_data_free(kill); return poll; } diff --git a/trunk/drivers/usb/core/hcd.c b/trunk/drivers/usb/core/hcd.c index 99b34a30354f..f9ec44cbb82f 100644 --- a/trunk/drivers/usb/core/hcd.c +++ b/trunk/drivers/usb/core/hcd.c @@ -2412,6 +2412,14 @@ int usb_hcd_is_primary_hcd(struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(usb_hcd_is_primary_hcd); +int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1) +{ + if (!hcd->driver->find_raw_port_number) + return port1; + + return hcd->driver->find_raw_port_number(hcd, port1); +} + static int usb_hcd_request_irqs(struct usb_hcd *hcd, unsigned int irqnum, unsigned long irqflags) { diff --git a/trunk/drivers/usb/core/usb-acpi.c b/trunk/drivers/usb/core/usb-acpi.c index b6f4bad3f756..255c14464bf2 100644 --- a/trunk/drivers/usb/core/usb-acpi.c +++ b/trunk/drivers/usb/core/usb-acpi.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include "usb.h" @@ -188,8 +189,13 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle) * connected to. */ if (!udev->parent) { - *handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev), + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + int raw_port_num; + + raw_port_num = usb_hcd_find_raw_port_number(hcd, port_num); + *handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev), + raw_port_num); if (!*handle) return -ENODEV; } else { diff --git a/trunk/drivers/usb/gadget/Kconfig b/trunk/drivers/usb/gadget/Kconfig index 5a0c541daf89..c7525b1cad74 100644 --- a/trunk/drivers/usb/gadget/Kconfig +++ b/trunk/drivers/usb/gadget/Kconfig @@ -145,6 +145,7 @@ config USB_LPC32XX tristate "LPC32XX USB Peripheral Controller" depends on ARCH_LPC32XX select USB_ISP1301 + select USB_OTG_UTILS help This option selects the USB device controller in the LPC32xx SoC. diff --git a/trunk/drivers/usb/host/ehci-sched.c b/trunk/drivers/usb/host/ehci-sched.c index b476daf49f6f..010f686d8881 100644 --- a/trunk/drivers/usb/host/ehci-sched.c +++ b/trunk/drivers/usb/host/ehci-sched.c @@ -1214,6 +1214,7 @@ itd_urb_transaction ( memset (itd, 0, sizeof *itd); itd->itd_dma = itd_dma; + itd->frame = 9999; /* an invalid value */ list_add (&itd->itd_list, &sched->td_list); } spin_unlock_irqrestore (&ehci->lock, flags); @@ -1915,6 +1916,7 @@ sitd_urb_transaction ( memset (sitd, 0, sizeof *sitd); sitd->sitd_dma = sitd_dma; + sitd->frame = 9999; /* an invalid value */ list_add (&sitd->sitd_list, &iso_sched->td_list); } diff --git a/trunk/drivers/usb/host/xhci-mem.c b/trunk/drivers/usb/host/xhci-mem.c index 35616ffbe3ae..6dc238c592bc 100644 --- a/trunk/drivers/usb/host/xhci-mem.c +++ b/trunk/drivers/usb/host/xhci-mem.c @@ -1022,44 +1022,24 @@ void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, * is attached to (or the roothub port its ancestor hub is attached to). All we * know is the index of that port under either the USB 2.0 or the USB 3.0 * roothub, but that doesn't give us the real index into the HW port status - * registers. Scan through the xHCI roothub port array, looking for the Nth - * entry of the correct port speed. Return the port number of that entry. + * registers. Call xhci_find_raw_port_number() to get real index. */ static u32 xhci_find_real_port_number(struct xhci_hcd *xhci, struct usb_device *udev) { struct usb_device *top_dev; - unsigned int num_similar_speed_ports; - unsigned int faked_port_num; - int i; + struct usb_hcd *hcd; + + if (udev->speed == USB_SPEED_SUPER) + hcd = xhci->shared_hcd; + else + hcd = xhci->main_hcd; for (top_dev = udev; top_dev->parent && top_dev->parent->parent; top_dev = top_dev->parent) /* Found device below root hub */; - faked_port_num = top_dev->portnum; - for (i = 0, num_similar_speed_ports = 0; - i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { - u8 port_speed = xhci->port_array[i]; - - /* - * Skip ports that don't have known speeds, or have duplicate - * Extended Capabilities port speed entries. - */ - if (port_speed == 0 || port_speed == DUPLICATE_ENTRY) - continue; - /* - * USB 3.0 ports are always under a USB 3.0 hub. USB 2.0 and - * 1.1 ports are under the USB 2.0 hub. If the port speed - * matches the device speed, it's a similar speed port. - */ - if ((port_speed == 0x03) == (udev->speed == USB_SPEED_SUPER)) - num_similar_speed_ports++; - if (num_similar_speed_ports == faked_port_num) - /* Roothub ports are numbered from 1 to N */ - return i+1; - } - return 0; + return xhci_find_raw_port_number(hcd, top_dev->portnum); } /* Setup an xHCI virtual device for a Set Address command */ diff --git a/trunk/drivers/usb/host/xhci-pci.c b/trunk/drivers/usb/host/xhci-pci.c index af259e0ec172..1a30c380043c 100644 --- a/trunk/drivers/usb/host/xhci-pci.c +++ b/trunk/drivers/usb/host/xhci-pci.c @@ -313,6 +313,7 @@ static const struct hc_driver xhci_pci_hc_driver = { .set_usb2_hw_lpm = xhci_set_usb2_hardware_lpm, .enable_usb3_lpm_timeout = xhci_enable_usb3_lpm_timeout, .disable_usb3_lpm_timeout = xhci_disable_usb3_lpm_timeout, + .find_raw_port_number = xhci_find_raw_port_number, }; /*-------------------------------------------------------------------------*/ diff --git a/trunk/drivers/usb/host/xhci-ring.c b/trunk/drivers/usb/host/xhci-ring.c index 882875465301..1969c001b3f9 100644 --- a/trunk/drivers/usb/host/xhci-ring.c +++ b/trunk/drivers/usb/host/xhci-ring.c @@ -1599,14 +1599,20 @@ static void handle_port_status(struct xhci_hcd *xhci, max_ports = HCS_MAX_PORTS(xhci->hcs_params1); if ((port_id <= 0) || (port_id > max_ports)) { xhci_warn(xhci, "Invalid port id %d\n", port_id); - bogus_port_status = true; - goto cleanup; + inc_deq(xhci, xhci->event_ring); + return; } /* Figure out which usb_hcd this port is attached to: * is it a USB 3.0 port or a USB 2.0/1.1 port? */ major_revision = xhci->port_array[port_id - 1]; + + /* Find the right roothub. */ + hcd = xhci_to_hcd(xhci); + if ((major_revision == 0x03) != (hcd->speed == HCD_USB3)) + hcd = xhci->shared_hcd; + if (major_revision == 0) { xhci_warn(xhci, "Event for port %u not in " "Extended Capabilities, ignoring.\n", @@ -1629,10 +1635,6 @@ static void handle_port_status(struct xhci_hcd *xhci, * into the index into the ports on the correct split roothub, and the * correct bus_state structure. */ - /* Find the right roothub. */ - hcd = xhci_to_hcd(xhci); - if ((major_revision == 0x03) != (hcd->speed == HCD_USB3)) - hcd = xhci->shared_hcd; bus_state = &xhci->bus_state[hcd_index(hcd)]; if (hcd->speed == HCD_USB3) port_array = xhci->usb3_ports; @@ -2027,8 +2029,8 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, if (event_trb != ep_ring->dequeue && event_trb != td->last_trb) td->urb->actual_length = - td->urb->transfer_buffer_length - - TRB_LEN(le32_to_cpu(event->transfer_len)); + td->urb->transfer_buffer_length - + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); else td->urb->actual_length = 0; @@ -2060,7 +2062,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, /* Maybe the event was for the data stage? */ td->urb->actual_length = td->urb->transfer_buffer_length - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); xhci_dbg(xhci, "Waiting for status " "stage event\n"); return 0; @@ -2096,7 +2098,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, /* handle completion code */ switch (trb_comp_code) { case COMP_SUCCESS: - if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) { + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) { frame->status = 0; break; } @@ -2141,7 +2143,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])); } len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); if (trb_comp_code != COMP_STOP_INVAL) { frame->actual_length = len; @@ -2199,7 +2201,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, case COMP_SUCCESS: /* Double check that the HW transferred everything. */ if (event_trb != td->last_trb || - TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { xhci_warn(xhci, "WARN Successful completion " "on short TX\n"); if (td->urb->transfer_flags & URB_SHORT_NOT_OK) @@ -2227,18 +2229,18 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, "%d bytes untransferred\n", td->urb->ep->desc.bEndpointAddress, td->urb->transfer_buffer_length, - TRB_LEN(le32_to_cpu(event->transfer_len))); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))); /* Fast path - was this the last TRB in the TD for this URB? */ if (event_trb == td->last_trb) { - if (TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { td->urb->actual_length = td->urb->transfer_buffer_length - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); if (td->urb->transfer_buffer_length < td->urb->actual_length) { xhci_warn(xhci, "HC gave bad length " "of %d bytes left\n", - TRB_LEN(le32_to_cpu(event->transfer_len))); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))); td->urb->actual_length = 0; if (td->urb->transfer_flags & URB_SHORT_NOT_OK) *status = -EREMOTEIO; @@ -2280,7 +2282,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, if (trb_comp_code != COMP_STOP_INVAL) td->urb->actual_length += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); } return finish_td(xhci, td, event_trb, event, ep, status, false); @@ -2368,7 +2370,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, * transfer type */ case COMP_SUCCESS: - if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) break; if (xhci->quirks & XHCI_TRUST_TX_LENGTH) trb_comp_code = COMP_SHORT_TX; @@ -2461,14 +2463,21 @@ static int handle_tx_event(struct xhci_hcd *xhci, * TD list. */ if (list_empty(&ep_ring->td_list)) { - xhci_warn(xhci, "WARN Event TRB for slot %d ep %d " - "with no TDs queued?\n", - TRB_TO_SLOT_ID(le32_to_cpu(event->flags)), - ep_index); - xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", - (le32_to_cpu(event->flags) & - TRB_TYPE_BITMASK)>>10); - xhci_print_trb_offsets(xhci, (union xhci_trb *) event); + /* + * A stopped endpoint may generate an extra completion + * event if the device was suspended. Don't print + * warnings. + */ + if (!(trb_comp_code == COMP_STOP || + trb_comp_code == COMP_STOP_INVAL)) { + xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n", + TRB_TO_SLOT_ID(le32_to_cpu(event->flags)), + ep_index); + xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", + (le32_to_cpu(event->flags) & + TRB_TYPE_BITMASK)>>10); + xhci_print_trb_offsets(xhci, (union xhci_trb *) event); + } if (ep->skip) { ep->skip = false; xhci_dbg(xhci, "td_list is empty while skip " diff --git a/trunk/drivers/usb/host/xhci.c b/trunk/drivers/usb/host/xhci.c index 849470b18831..53b8f89a0b1c 100644 --- a/trunk/drivers/usb/host/xhci.c +++ b/trunk/drivers/usb/host/xhci.c @@ -3779,6 +3779,28 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) return 0; } +/* + * Transfer the port index into real index in the HW port status + * registers. Caculate offset between the port's PORTSC register + * and port status base. Divide the number of per port register + * to get the real index. The raw port number bases 1. + */ +int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + __le32 __iomem *base_addr = &xhci->op_regs->port_status_base; + __le32 __iomem *addr; + int raw_port; + + if (hcd->speed != HCD_USB3) + addr = xhci->usb2_ports[port1 - 1]; + else + addr = xhci->usb3_ports[port1 - 1]; + + raw_port = (addr - base_addr)/NUM_PORT_REGS + 1; + return raw_port; +} + #ifdef CONFIG_USB_SUSPEND /* BESL to HIRD Encoding array for USB2 LPM */ diff --git a/trunk/drivers/usb/host/xhci.h b/trunk/drivers/usb/host/xhci.h index 2c510e4a7d4c..63582719e0fb 100644 --- a/trunk/drivers/usb/host/xhci.h +++ b/trunk/drivers/usb/host/xhci.h @@ -972,6 +972,10 @@ struct xhci_transfer_event { __le32 flags; }; +/* Transfer event TRB length bit mask */ +/* bits 0:23 */ +#define EVENT_TRB_LEN(p) ((p) & 0xffffff) + /** Transfer Event bit fields **/ #define TRB_TO_EP_ID(p) (((p) >> 16) & 0x1f) @@ -1829,6 +1833,7 @@ void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array, int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength); int xhci_hub_status_data(struct usb_hcd *hcd, char *buf); +int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1); #ifdef CONFIG_PM int xhci_bus_suspend(struct usb_hcd *hcd); diff --git a/trunk/drivers/usb/phy/Kconfig b/trunk/drivers/usb/phy/Kconfig index 65217a590068..90549382eba5 100644 --- a/trunk/drivers/usb/phy/Kconfig +++ b/trunk/drivers/usb/phy/Kconfig @@ -38,6 +38,7 @@ config USB_ISP1301 tristate "NXP ISP1301 USB transceiver support" depends on USB || USB_GADGET depends on I2C + select USB_OTG_UTILS help Say Y here to add support for the NXP ISP1301 USB transceiver driver. This chip is typically used as USB transceiver for USB host, gadget diff --git a/trunk/drivers/usb/serial/ftdi_sio.c b/trunk/drivers/usb/serial/ftdi_sio.c index d4809d551473..9886180e45f1 100644 --- a/trunk/drivers/usb/serial/ftdi_sio.c +++ b/trunk/drivers/usb/serial/ftdi_sio.c @@ -640,6 +640,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) }, { USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) }, { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) }, + { USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) }, { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) }, { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) }, { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) }, diff --git a/trunk/drivers/usb/serial/ftdi_sio_ids.h b/trunk/drivers/usb/serial/ftdi_sio_ids.h index 9d359e189a64..e79861eeed4c 100644 --- a/trunk/drivers/usb/serial/ftdi_sio_ids.h +++ b/trunk/drivers/usb/serial/ftdi_sio_ids.h @@ -583,6 +583,13 @@ #define CONTEC_VID 0x06CE /* Vendor ID */ #define CONTEC_COM1USBH_PID 0x8311 /* COM-1(USB)H */ +/* + * Mitsubishi Electric Corp. (http://www.meau.com) + * Submitted by Konstantin Holoborodko + */ +#define MITSUBISHI_VID 0x06D3 +#define MITSUBISHI_FXUSB_PID 0x0284 /* USB/RS422 converters: FX-USB-AW/-BD */ + /* * Definitions for B&B Electronics products. */ diff --git a/trunk/drivers/usb/serial/usb-serial.c b/trunk/drivers/usb/serial/usb-serial.c index 2e70efa08b77..5d9b178484fd 100644 --- a/trunk/drivers/usb/serial/usb-serial.c +++ b/trunk/drivers/usb/serial/usb-serial.c @@ -903,6 +903,7 @@ static int usb_serial_probe(struct usb_interface *interface, port->port.ops = &serial_port_ops; port->serial = serial; spin_lock_init(&port->lock); + init_waitqueue_head(&port->delta_msr_wait); /* Keep this for private driver use for the moment but should probably go away */ INIT_WORK(&port->work, usb_serial_port_work); diff --git a/trunk/drivers/vhost/tcm_vhost.c b/trunk/drivers/vhost/tcm_vhost.c index 43fb11ee2e8d..2968b4934659 100644 --- a/trunk/drivers/vhost/tcm_vhost.c +++ b/trunk/drivers/vhost/tcm_vhost.c @@ -60,6 +60,15 @@ enum { VHOST_SCSI_VQ_IO = 2, }; +/* + * VIRTIO_RING_F_EVENT_IDX seems broken. Not sure the bug is in + * kernel but disabling it helps. + * TODO: debug and remove the workaround. + */ +enum { + VHOST_SCSI_FEATURES = VHOST_FEATURES & (~VIRTIO_RING_F_EVENT_IDX) +}; + #define VHOST_SCSI_MAX_TARGET 256 #define VHOST_SCSI_MAX_VQ 128 @@ -946,7 +955,7 @@ static void vhost_scsi_flush(struct vhost_scsi *vs) static int vhost_scsi_set_features(struct vhost_scsi *vs, u64 features) { - if (features & ~VHOST_FEATURES) + if (features & ~VHOST_SCSI_FEATURES) return -EOPNOTSUPP; mutex_lock(&vs->dev.mutex); @@ -992,7 +1001,7 @@ static long vhost_scsi_ioctl(struct file *f, unsigned int ioctl, return -EFAULT; return 0; case VHOST_GET_FEATURES: - features = VHOST_FEATURES; + features = VHOST_SCSI_FEATURES; if (copy_to_user(featurep, &features, sizeof features)) return -EFAULT; return 0; diff --git a/trunk/drivers/video/Kconfig b/trunk/drivers/video/Kconfig index 4c1546f71d56..e7718fdad1e1 100644 --- a/trunk/drivers/video/Kconfig +++ b/trunk/drivers/video/Kconfig @@ -2437,6 +2437,8 @@ config FB_MXS select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_MODE_HELPERS + select OF_VIDEOMODE help Framebuffer support for the MXS SoC. diff --git a/trunk/drivers/video/mxsfb.c b/trunk/drivers/video/mxsfb.c index 755556ca5b2d..1b2c26d1658c 100644 --- a/trunk/drivers/video/mxsfb.c +++ b/trunk/drivers/video/mxsfb.c @@ -42,13 +42,15 @@ #include #include #include -#include +#include