Merge branch 'next/cleanup' of git://git.kernel.org/pub/scm/linux/ker…

…nel/git/arm/linux-arm-soc

* 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits)
  ARM: EXYNOS4: Change devname for FIMD clkdev
  ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx
  ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210
  ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100
  ARM: S3C24XX: Use generic s3c_set_platdata for devices
  ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND
  ARM: SAMSUNG: Use generic s3c_set_platdata for NAND
  ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI
  ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON
  ARM: SAMSUNG: Use generic s3c_set_platdata for FB
  ARM: SAMSUNG: Use generic s3c_set_platdata for TS
  ARM: S3C64XX: Add PWM backlight support on SMDK6410
  ARM: S5P64X0: Add PWM backlight support on SMDK6450
  ARM: S5P64X0: Add PWM backlight support on SMDK6440
  ARM: S5PC100: Add PWM backlight support on SMDKC100
  ARM: S5PV210: Add PWM backlight support on SMDKV210
  ARM: EXYNOS4: Add PWM backlight support on SMDKC210
  ARM: EXYNOS4: Add PWM backlight support on SMDKV310
  ARM: SAMSUNG: Create a common infrastructure for PWM backlight support
  clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0
  ...

Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c

arch/arm/Kconfig

@@ -686,6 +686,7 @@ config ARCH_S3C2410
 	select GENERIC_GPIO
 	select ARCH_HAS_CPUFREQ
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_S3C2410_I2C if I2C
 	help
@@ -703,6 +704,7 @@ config ARCH_S3C64XX
 	select CPU_V6
 	select ARM_VIC
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select NO_IOPORT
 	select ARCH_USES_GETTIMEOFFSET
 	select ARCH_HAS_CPUFREQ
@@ -727,6 +729,8 @@ config ARCH_S5P64X0
 	select CPU_V6
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
+	select CLKSRC_MMIO
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	select GENERIC_CLOCKEVENTS
 	select HAVE_SCHED_CLOCK
@@ -740,6 +744,7 @@ config ARCH_S5PC100
 	bool "Samsung S5PC100"
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select CPU_V7
 	select ARM_L1_CACHE_SHIFT_6
 	select ARCH_USES_GETTIMEOFFSET
@@ -755,6 +760,8 @@ config ARCH_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
+	select CLKSRC_MMIO
 	select ARM_L1_CACHE_SHIFT_6
 	select ARCH_HAS_CPUFREQ
 	select GENERIC_CLOCKEVENTS
@@ -771,6 +778,7 @@ config ARCH_EXYNOS4
 	select ARCH_SPARSEMEM_ENABLE
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select CLKDEV_LOOKUP
 	select ARCH_HAS_CPUFREQ
 	select GENERIC_CLOCKEVENTS
 	select HAVE_S3C_RTC if RTC_CLASS
@@ -856,6 +864,7 @@ config ARCH_OMAP
 	select HAVE_CLK
 	select ARCH_REQUIRE_GPIOLIB
 	select ARCH_HAS_CPUFREQ
+	select CLKSRC_MMIO
 	select GENERIC_CLOCKEVENTS
 	select HAVE_SCHED_CLOCK
 	select ARCH_HAS_HOLES_MEMORYMODEL

arch/arm/configs/cm_x300_defconfig

@@ -5,14 +5,14 @@ CONFIG_SYSVIPC=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=18
-CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_ARCH_PXA=y
+CONFIG_GPIO_PCA953X=y
 CONFIG_MACH_CM_X300=y
 CONFIG_NO_HZ=y
 CONFIG_AEABI=y
@@ -23,7 +23,6 @@ CONFIG_CMDLINE="root=/dev/mtdblock5 rootfstype=ubifs console=ttyS2,38400"
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_FPE_NWFPE=y
-CONFIG_PM=y
 CONFIG_APM_EMULATION=y
 CONFIG_NET=y
 CONFIG_PACKET=y
@@ -40,8 +39,8 @@ CONFIG_IP_PNP_RARP=y
 # CONFIG_INET_DIAG is not set
 # CONFIG_IPV6 is not set
 CONFIG_BT=m
-CONFIG_BT_L2CAP=m
-CONFIG_BT_SCO=m
+CONFIG_BT_L2CAP=y
+CONFIG_BT_SCO=y
 CONFIG_BT_RFCOMM=m
 CONFIG_BT_RFCOMM_TTY=y
 CONFIG_BT_BNEP=m
@@ -60,7 +59,6 @@ CONFIG_MTD_NAND_PXA3xx=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
-# CONFIG_MISC_DEVICES is not set
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_NETDEVICES=y
@@ -81,16 +79,15 @@ CONFIG_TOUCHSCREEN_WM97XX=m
 # CONFIG_TOUCHSCREEN_WM9705 is not set
 # CONFIG_TOUCHSCREEN_WM9713 is not set
 # CONFIG_SERIO is not set
+# CONFIG_LEGACY_PTYS is not set
 CONFIG_SERIAL_PXA=y
 CONFIG_SERIAL_PXA_CONSOLE=y
-# CONFIG_LEGACY_PTYS is not set
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C=y
 CONFIG_I2C_PXA=y
 CONFIG_SPI=y
 CONFIG_SPI_GPIO=y
 CONFIG_GPIO_SYSFS=y
-CONFIG_GPIO_PCA953X=y
 # CONFIG_HWMON is not set
 CONFIG_PMIC_DA903X=y
 CONFIG_REGULATOR=y
@@ -102,7 +99,6 @@ CONFIG_LCD_CLASS_DEVICE=y
 CONFIG_LCD_TDO24M=y
 # CONFIG_BACKLIGHT_GENERIC is not set
 CONFIG_BACKLIGHT_DA903X=m
-# CONFIG_VGA_CONSOLE is not set
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
 CONFIG_FONTS=y
@@ -131,7 +127,6 @@ CONFIG_HID_GREENASIA=y
 CONFIG_HID_SMARTJOYPLUS=y
 CONFIG_HID_TOPSEED=y
 CONFIG_HID_THRUSTMASTER=y
-CONFIG_HID_WACOM=m
 CONFIG_HID_ZEROPLUS=y
 CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
@@ -152,7 +147,6 @@ CONFIG_RTC_DRV_PXA=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
-CONFIG_INOTIFY=y
 CONFIG_MSDOS_FS=m
 CONFIG_VFAT_FS=m
 CONFIG_TMPFS=y
@@ -164,25 +158,21 @@ CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
 CONFIG_ROOT_NFS=y
-CONFIG_SMB_FS=m
 CONFIG_CIFS=m
 CONFIG_CIFS_WEAK_PW_HASH=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_NLS_CODEPAGE_437=m
 CONFIG_NLS_ISO8859_1=m
 CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_KERNEL=y
-# CONFIG_DETECT_SOFTLOCKUP is not set
 # CONFIG_SCHED_DEBUG is not set
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
 # CONFIG_FTRACE is not set
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_LL=y
 CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_AES=m
-CONFIG_CRYPTO_ARC4=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_T10DIF=y

arch/arm/include/asm/hardware/scoop.h

@@ -61,7 +61,6 @@ struct scoop_pcmcia_dev {
 struct scoop_pcmcia_config {
 	struct scoop_pcmcia_dev *devs;
 	int num_devs;
-	void (*pcmcia_init)(void);
 	void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
 };
 

arch/arm/mach-davinci/board-dm646x-evm.c

@@ -719,9 +719,15 @@ static void __init cdce_clk_init(void)
 	}
 }
 
+#define DM6467T_EVM_REF_FREQ		33000000
+
 static void __init davinci_map_io(void)
 {
 	dm646x_init();
+
+	if (machine_is_davinci_dm6467tevm())
+		davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
+
 	cdce_clk_init();
 }
 
@@ -785,17 +791,6 @@ static __init void evm_init(void)
 	soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
 }
 
-#define DM646X_EVM_REF_FREQ		27000000
-#define DM6467T_EVM_REF_FREQ		33000000
-
-void __init dm646x_board_setup_refclk(struct clk *clk)
-{
-	if (machine_is_davinci_dm6467tevm())
-		clk->rate = DM6467T_EVM_REF_FREQ;
-	else
-		clk->rate = DM646X_EVM_REF_FREQ;
-}
-
 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 	.boot_params  = (0x80000100),
 	.map_io       = davinci_map_io,

arch/arm/mach-davinci/clock.c

@@ -368,6 +368,12 @@ static unsigned long clk_leafclk_recalc(struct clk *clk)
 	return clk->parent->rate;
 }
 
+int davinci_simple_set_rate(struct clk *clk, unsigned long rate)
+{
+	clk->rate = rate;
+	return 0;
+}
+
 static unsigned long clk_pllclk_recalc(struct clk *clk)
 {
 	u32 ctrl, mult = 1, prediv = 1, postdiv = 1;
@@ -506,6 +512,38 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 }
 EXPORT_SYMBOL(davinci_set_pllrate);
 
+/**
+ * davinci_set_refclk_rate() - Set the reference clock rate
+ * @rate:	The new rate.
+ *
+ * Sets the reference clock rate to a given value. This will most likely
+ * result in the entire clock tree getting updated.
+ *
+ * This is used to support boards which use a reference clock different
+ * than that used by default in <soc>.c file. The reference clock rate
+ * should be updated early in the boot process; ideally soon after the
+ * clock tree has been initialized once with the default reference clock
+ * rate (davinci_common_init()).
+ *
+ * Returns 0 on success, error otherwise.
+ */
+int davinci_set_refclk_rate(unsigned long rate)
+{
+	struct clk *refclk;
+
+	refclk = clk_get(NULL, "ref");
+	if (IS_ERR(refclk)) {
+		pr_err("%s: failed to get reference clock.\n", __func__);
+		return PTR_ERR(refclk);
+	}
+
+	clk_set_rate(refclk, rate);
+
+	clk_put(refclk);
+
+	return 0;
+}
+
 int __init davinci_clk_init(struct clk_lookup *clocks)
   {
 	struct clk_lookup *c;

arch/arm/mach-davinci/clock.h

@@ -123,6 +123,8 @@ int davinci_clk_init(struct clk_lookup *clocks);
 int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 				unsigned int mult, unsigned int postdiv);
 int davinci_set_sysclk_rate(struct clk *clk, unsigned long rate);
+int davinci_set_refclk_rate(unsigned long rate);
+int davinci_simple_set_rate(struct clk *clk, unsigned long rate);
 
 extern struct platform_device davinci_wdt_device;
 extern void davinci_watchdog_reset(struct platform_device *);

arch/arm/mach-davinci/dm646x.c

@@ -43,6 +43,7 @@
 /*
  * Device specific clocks
  */
+#define DM646X_REF_FREQ		27000000
 #define DM646X_AUX_FREQ		24000000
 
 static struct pll_data pll1_data = {
@@ -57,6 +58,8 @@ static struct pll_data pll2_data = {
 
 static struct clk ref_clk = {
 	.name = "ref_clk",
+	.rate = DM646X_REF_FREQ,
+	.set_rate = davinci_simple_set_rate,
 };
 
 static struct clk aux_clkin = {
@@ -902,7 +905,6 @@ int __init dm646x_init_edma(struct edma_rsv_info *rsv)
 
 void __init dm646x_init(void)
 {
-	dm646x_board_setup_refclk(&ref_clk);
 	davinci_common_init(&davinci_soc_info_dm646x);
 }
 

arch/arm/mach-davinci/include/mach/dm646x.h

@@ -15,7 +15,6 @@
 #include <mach/asp.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
-#include <linux/clk.h>
 #include <linux/davinci_emac.h>
 
 #define DM646X_EMAC_BASE		(0x01C80000)
@@ -31,7 +30,6 @@
 void __init dm646x_init(void);
 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata);
 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata);
-void __init dm646x_board_setup_refclk(struct clk *clk);
 int __init dm646x_init_edma(struct edma_rsv_info *rsv);
 
 void dm646x_video_init(void);