Skip to content

Commit

Permalink
Merge branches 'amba', 'devel-stable', 'fixes', 'mach-types', 'mmci',…
Browse files Browse the repository at this point in the history
… 'pci' and 'versatile' into for-linus
  • Loading branch information
Russell King committed May 21, 2012
7 parents dfb8518 + 5693188 + 56cb248 + d098bc7 + 34fd421 + 90cf241 + d12379a commit ddf90a2
Show file tree
Hide file tree
Showing 630 changed files with 5,966 additions and 3,821 deletions.
19 changes: 19 additions & 0 deletions Documentation/ABI/testing/sysfs-bus-hsi
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
What: /sys/bus/hsi
Date: April 2012
KernelVersion: 3.4
Contact: Carlos Chinea <carlos.chinea@nokia.com>
Description:
High Speed Synchronous Serial Interface (HSI) is a
serial interface mainly used for connecting application
engines (APE) with cellular modem engines (CMT) in cellular
handsets.
The bus will be populated with devices (hsi_clients) representing
the protocols available in the system. Bus drivers implement
those protocols.

What: /sys/bus/hsi/devices/.../modalias
Date: April 2012
KernelVersion: 3.4
Contact: Carlos Chinea <carlos.chinea@nokia.com>
Description: Stores the same MODALIAS value emitted by uevent
Format: hsi:<hsi_client device name>
2 changes: 1 addition & 1 deletion Documentation/DocBook/media/v4l/pixfmt-nv12m.xml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<refentry id="V4L2-PIX-FMT-NV12M">
<refmeta>
<refentrytitle>V4L2_PIX_FMT_NV12M ('NV12M')</refentrytitle>
<refentrytitle>V4L2_PIX_FMT_NV12M ('NM12')</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
Expand Down
2 changes: 1 addition & 1 deletion Documentation/DocBook/media/v4l/pixfmt-yuv420m.xml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<refentry id="V4L2-PIX-FMT-YUV420M">
<refmeta>
<refentrytitle>V4L2_PIX_FMT_YUV420M ('YU12M')</refentrytitle>
<refentrytitle>V4L2_PIX_FMT_YUV420M ('YM12')</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
Expand Down
27 changes: 27 additions & 0 deletions Documentation/devicetree/bindings/arm/arch_timer.txt
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
* ARM architected timer

ARM Cortex-A7 and Cortex-A15 have a per-core architected timer, which
provides per-cpu timers.

The timer is attached to a GIC to deliver its per-processor interrupts.

** Timer node properties:

- compatible : Should at least contain "arm,armv7-timer".

- interrupts : Interrupt list for secure, non-secure, virtual and
hypervisor timers, in that order.

- clock-frequency : The frequency of the main counter, in Hz. Optional.

Example:

timer {
compatible = "arm,cortex-a15-timer",
"arm,armv7-timer";
interrupts = <1 13 0xf08>,
<1 14 0xf08>,
<1 11 0xf08>,
<1 10 0xf08>;
clock-frequency = <100000000>;
};
37 changes: 19 additions & 18 deletions Documentation/power/freezing-of-tasks.txt
Original file line number Diff line number Diff line change
Expand Up @@ -9,38 +9,39 @@ architectures).

II. How does it work?

There are four per-task flags used for that, PF_NOFREEZE, PF_FROZEN, TIF_FREEZE
There are three per-task flags used for that, PF_NOFREEZE, PF_FROZEN
and PF_FREEZER_SKIP (the last one is auxiliary). The tasks that have
PF_NOFREEZE unset (all user space processes and some kernel threads) are
regarded as 'freezable' and treated in a special way before the system enters a
suspend state as well as before a hibernation image is created (in what follows
we only consider hibernation, but the description also applies to suspend).

Namely, as the first step of the hibernation procedure the function
freeze_processes() (defined in kernel/power/process.c) is called. It executes
try_to_freeze_tasks() that sets TIF_FREEZE for all of the freezable tasks and
either wakes them up, if they are kernel threads, or sends fake signals to them,
if they are user space processes. A task that has TIF_FREEZE set, should react
to it by calling the function called __refrigerator() (defined in
kernel/freezer.c), which sets the task's PF_FROZEN flag, changes its state
to TASK_UNINTERRUPTIBLE and makes it loop until PF_FROZEN is cleared for it.
Then, we say that the task is 'frozen' and therefore the set of functions
handling this mechanism is referred to as 'the freezer' (these functions are
defined in kernel/power/process.c, kernel/freezer.c & include/linux/freezer.h).
User space processes are generally frozen before kernel threads.
freeze_processes() (defined in kernel/power/process.c) is called. A system-wide
variable system_freezing_cnt (as opposed to a per-task flag) is used to indicate
whether the system is to undergo a freezing operation. And freeze_processes()
sets this variable. After this, it executes try_to_freeze_tasks() that sends a
fake signal to all user space processes, and wakes up all the kernel threads.
All freezable tasks must react to that by calling try_to_freeze(), which
results in a call to __refrigerator() (defined in kernel/freezer.c), which sets
the task's PF_FROZEN flag, changes its state to TASK_UNINTERRUPTIBLE and makes
it loop until PF_FROZEN is cleared for it. Then, we say that the task is
'frozen' and therefore the set of functions handling this mechanism is referred
to as 'the freezer' (these functions are defined in kernel/power/process.c,
kernel/freezer.c & include/linux/freezer.h). User space processes are generally
frozen before kernel threads.

__refrigerator() must not be called directly. Instead, use the
try_to_freeze() function (defined in include/linux/freezer.h), that checks
the task's TIF_FREEZE flag and makes the task enter __refrigerator() if the
flag is set.
if the task is to be frozen and makes the task enter __refrigerator().

For user space processes try_to_freeze() is called automatically from the
signal-handling code, but the freezable kernel threads need to call it
explicitly in suitable places or use the wait_event_freezable() or
wait_event_freezable_timeout() macros (defined in include/linux/freezer.h)
that combine interruptible sleep with checking if TIF_FREEZE is set and calling
try_to_freeze(). The main loop of a freezable kernel thread may look like the
following one:
that combine interruptible sleep with checking if the task is to be frozen and
calling try_to_freeze(). The main loop of a freezable kernel thread may look
like the following one:

set_freezable();
do {
Expand All @@ -53,7 +54,7 @@ following one:
(from drivers/usb/core/hub.c::hub_thread()).

If a freezable kernel thread fails to call try_to_freeze() after the freezer has
set TIF_FREEZE for it, the freezing of tasks will fail and the entire
initiated a freezing operation, the freezing of tasks will fail and the entire
hibernation operation will be cancelled. For this reason, freezable kernel
threads must call try_to_freeze() somewhere or use one of the
wait_event_freezable() and wait_event_freezable_timeout() macros.
Expand Down
14 changes: 13 additions & 1 deletion Documentation/security/keys.txt
Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ KEY SERVICE OVERVIEW

The key service provides a number of features besides keys:

(*) The key service defines two special key types:
(*) The key service defines three special key types:

(+) "keyring"

Expand All @@ -137,6 +137,18 @@ The key service provides a number of features besides keys:
blobs of data. These can be created, updated and read by userspace,
and aren't intended for use by kernel services.

(+) "logon"

Like a "user" key, a "logon" key has a payload that is an arbitrary
blob of data. It is intended as a place to store secrets which are
accessible to the kernel but not to userspace programs.

The description can be arbitrary, but must be prefixed with a non-zero
length string that describes the key "subclass". The subclass is
separated from the rest of the description by a ':'. "logon" keys can
be created and updated from userspace, but the payload is only
readable from kernel space.

(*) Each process subscribes to three keyrings: a thread-specific keyring, a
process-specific keyring, and a session-specific keyring.

Expand Down
9 changes: 5 additions & 4 deletions MAINTAINERS
Original file line number Diff line number Diff line change
Expand Up @@ -2321,9 +2321,9 @@ S: Supported
F: drivers/acpi/dock.c

DOCUMENTATION
M: Randy Dunlap <rdunlap@xenotime.net>
M: Rob Landley <rob@landley.net>
L: linux-doc@vger.kernel.org
T: quilt http://xenotime.net/kernel-doc-patches/current/
T: TBD
S: Maintained
F: Documentation/

Expand Down Expand Up @@ -3592,6 +3592,7 @@ S: Supported
F: drivers/net/wireless/iwlegacy/

INTEL WIRELESS WIFI LINK (iwlwifi)
M: Johannes Berg <johannes.berg@intel.com>
M: Wey-Yi Guy <wey-yi.w.guy@intel.com>
M: Intel Linux Wireless <ilw@linux.intel.com>
L: linux-wireless@vger.kernel.org
Expand Down Expand Up @@ -7578,8 +7579,8 @@ F: Documentation/filesystems/xfs.txt
F: fs/xfs/

XILINX AXI ETHERNET DRIVER
M: Ariane Keller <ariane.keller@tik.ee.ethz.ch>
M: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
M: Anirudha Sarangi <anirudh@xilinx.com>
M: John Linn <John.Linn@xilinx.com>
S: Maintained
F: drivers/net/ethernet/xilinx/xilinx_axienet*

Expand Down
2 changes: 1 addition & 1 deletion Makefile
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 4
SUBLEVEL = 0
EXTRAVERSION = -rc3
EXTRAVERSION = -rc5
NAME = Saber-toothed Squirrel

# *DOCUMENTATION*
Expand Down
16 changes: 16 additions & 0 deletions arch/arm/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,7 @@ config ARCH_INTEGRATOR
select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
help
Support for ARM's Integrator platform.

Expand Down Expand Up @@ -1186,6 +1187,15 @@ if !MMU
source "arch/arm/Kconfig-nommu"
endif

config ARM_ERRATA_326103
bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
depends on CPU_V6
help
Executing a SWP instruction to read-only memory does not set bit 11
of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to
treat the access as a read, preventing a COW from occurring and
causing the faulting task to livelock.

config ARM_ERRATA_411920
bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
depends on CPU_V6 || CPU_V6K
Expand Down Expand Up @@ -1543,6 +1553,12 @@ config HAVE_ARM_SCU
help
This option enables support for the ARM system coherency unit

config ARM_ARCH_TIMER
bool "Architected timer support"
depends on CPU_V7
help
This option enables support for the ARM architected timer

config HAVE_ARM_TWD
bool
depends on SMP
Expand Down
4 changes: 2 additions & 2 deletions arch/arm/boot/dts/msm8660-surf.dts
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
intc: interrupt-controller@02080000 {
compatible = "qcom,msm-8660-qgic";
interrupt-controller;
#interrupt-cells = <1>;
#interrupt-cells = <3>;
reg = < 0x02080000 0x1000 >,
< 0x02081000 0x1000 >;
};
Expand All @@ -19,6 +19,6 @@
compatible = "qcom,msm-hsuart", "qcom,msm-uart";
reg = <0x19c40000 0x1000>,
<0x19c00000 0x1000>;
interrupts = <195>;
interrupts = <0 195 0x0>;
};
};
2 changes: 1 addition & 1 deletion arch/arm/boot/dts/versatile-ab.dts
Original file line number Diff line number Diff line change
Expand Up @@ -173,7 +173,7 @@
mmc@5000 {
compatible = "arm,primecell";
reg = < 0x5000 0x1000>;
interrupts = <22>;
interrupts = <22 34>;
};
kmi@6000 {
compatible = "arm,pl050", "arm,primecell";
Expand Down
2 changes: 1 addition & 1 deletion arch/arm/boot/dts/versatile-pb.dts
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@
mmc@b000 {
compatible = "arm,primecell";
reg = <0xb000 0x1000>;
interrupts = <23>;
interrupts = <23 34>;
};
};
};
Expand Down
7 changes: 1 addition & 6 deletions arch/arm/common/it8152.c
Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@ static int it8152_pci_write_config(struct pci_bus *bus,
return PCIBIOS_SUCCESSFUL;
}

static struct pci_ops it8152_ops = {
struct pci_ops it8152_ops = {
.read = it8152_pci_read_config,
.write = it8152_pci_write_config,
};
Expand Down Expand Up @@ -346,9 +346,4 @@ void pcibios_set_master(struct pci_dev *dev)
}


struct pci_bus * __init it8152_pci_scan_bus(int nr, struct pci_sys_data *sys)
{
return pci_scan_root_bus(NULL, nr, &it8152_ops, sys, &sys->resources);
}

EXPORT_SYMBOL(dma_set_coherent_mask);
11 changes: 1 addition & 10 deletions arch/arm/common/via82c505.c
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ via82c505_write_config(struct pci_bus *bus, unsigned int devfn, int where,
return PCIBIOS_SUCCESSFUL;
}

static struct pci_ops via82c505_ops = {
struct pci_ops via82c505_ops = {
.read = via82c505_read_config,
.write = via82c505_write_config,
};
Expand Down Expand Up @@ -81,12 +81,3 @@ int __init via82c505_setup(int nr, struct pci_sys_data *sys)
{
return (nr == 0);
}

struct pci_bus * __init via82c505_scan_bus(int nr, struct pci_sys_data *sysdata)
{
if (nr == 0)
return pci_scan_root_bus(NULL, 0, &via82c505_ops, sysdata,
&sysdata->resources);

return NULL;
}
1 change: 1 addition & 0 deletions arch/arm/configs/imx_v4_v5_defconfig
Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,7 @@ CONFIG_WATCHDOG=y
CONFIG_IMX2_WDT=y
CONFIG_MFD_MC13XXX=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_MC13783=y
CONFIG_REGULATOR_MC13892=y
CONFIG_FB=y
Expand Down
2 changes: 2 additions & 0 deletions arch/arm/configs/mini2440_defconfig
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_ARCH_S3C24XX=y
# CONFIG_CPU_S3C2410 is not set
CONFIG_CPU_S3C2440=y
CONFIG_S3C_ADC=y
CONFIG_S3C24XX_PWM=y
CONFIG_MACH_MINI2440=y
Expand Down
9 changes: 4 additions & 5 deletions arch/arm/configs/u8500_defconfig
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,6 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_LBDAF is not set
# CONFIG_BLK_DEV_BSG is not set
CONFIG_ARCH_U8500=y
CONFIG_UX500_SOC_DB5500=y
CONFIG_UX500_SOC_DB8500=y
CONFIG_MACH_HREFV60=y
CONFIG_MACH_SNOWBALL=y
CONFIG_MACH_U5500=y
Expand Down Expand Up @@ -39,7 +37,6 @@ CONFIG_CAIF=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=65536
CONFIG_MISC_DEVICES=y
CONFIG_AB8500_PWM=y
CONFIG_SENSORS_BH1780=y
CONFIG_NETDEVICES=y
Expand All @@ -65,16 +62,18 @@ CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_NOMADIK=y
CONFIG_I2C=y
CONFIG_I2C_NOMADIK=y
CONFIG_SPI=y
CONFIG_SPI_PL022=y
CONFIG_GPIO_STMPE=y
CONFIG_GPIO_TC3589X=y
CONFIG_POWER_SUPPLY=y
CONFIG_AB8500_BM=y
CONFIG_AB8500_BATTERY_THERM_ON_BATCTRL=y
CONFIG_MFD_STMPE=y
CONFIG_MFD_TC3589X=y
CONFIG_AB5500_CORE=y
CONFIG_AB8500_CORE=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_AB8500=y
# CONFIG_HID_SUPPORT is not set
CONFIG_USB_GADGET=y
Expand Down
19 changes: 19 additions & 0 deletions arch/arm/include/asm/arch_timer.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
#ifndef __ASMARM_ARCH_TIMER_H
#define __ASMARM_ARCH_TIMER_H

#ifdef CONFIG_ARM_ARCH_TIMER
int arch_timer_of_register(void);
int arch_timer_sched_clock_init(void);
#else
static inline int arch_timer_of_register(void)
{
return -ENXIO;
}

static inline int arch_timer_sched_clock_init(void)
{
return -ENXIO;
}
#endif

#endif
2 changes: 1 addition & 1 deletion arch/arm/include/asm/hardware/it8152.h
Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,6 @@ extern void it8152_irq_demux(unsigned int irq, struct irq_desc *desc);
extern void it8152_init_irq(void);
extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
extern struct pci_bus *it8152_pci_scan_bus(int nr, struct pci_sys_data *sys);
extern struct pci_ops it8152_ops;

#endif /* __ASM_HARDWARE_IT8152_H */
Loading

0 comments on commit ddf90a2

Please sign in to comment.