Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] amba: fix amba device resources
  [ARM] pgtable: file pte layout documentation
  [ARM] pgtable: swp pte layout documentation, definitions, and check
  [ARM] export __cpu_flush_dcache_page
  [ARM] 5576/1: Update kb9202_defconfig
  [ARM] 5581/1: U300 clock updates
  [ARM] 5579/1: Updated U300 defconfig

arch/arm/configs/u300_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc6
+# Linux kernel version: 2.6.31-rc1
-# Mon Jun  1 09:18:22 2009
+# Thu Jul  2 00:16:59 2009
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -9,7 +9,7 @@ CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_MMU=y
-# CONFIG_NO_IOPORT is not set
+CONFIG_HAVE_TCM=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -18,13 +18,12 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -68,7 +67,6 @@ CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
-# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
@@ -81,8 +79,13 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 # CONFIG_AIO is not set
+
+#
+# Performance Counters
+#
 # CONFIG_VM_EVENT_COUNTERS is not set
 CONFIG_SLUB_DEBUG=y
+# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_COMPAT_BRK=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
@@ -94,6 +97,10 @@ CONFIG_HAVE_OPROFILE=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
 # CONFIG_SLOW_WORK is not set
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
@@ -106,7 +113,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -138,9 +145,9 @@ CONFIG_DEFAULT_IOSCHED="deadline"
 # CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
 # CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -216,8 +223,8 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_DCACHE_WRITETHROUGH is not set
 # CONFIG_CPU_CACHE_ROUND_ROBIN is not set
-# CONFIG_OUTER_CACHE is not set
 CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
 CONFIG_COMMON_CLKDEV=y
 
 #
@@ -243,7 +250,6 @@ CONFIG_PREEMPT=y
 CONFIG_HZ=100
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y
-CONFIG_ARCH_FLATMEM_HAS_HOLES=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 # CONFIG_HIGHMEM is not set
@@ -258,17 +264,18 @@ CONFIG_SPLIT_PTLOCK_CPUS=4096
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
 CONFIG_HAVE_MLOCK=y
 CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
 
 #
 # Boot options
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="root=/dev/mtdblock2 rw rootfstype=yaffs2 console=ttyAMA0,115200n8 ab3100.force=0,0x48 mtdparts=u300nand:128k@0x0(bootrecords)ro,8064k@128k(free)ro,253952k@8192k(platform) lpj=515072"
+CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072"
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -359,6 +366,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 # CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -497,6 +505,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_AT24 is not set
 # CONFIG_EEPROM_AT25 is not set
 # CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
 # CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
@@ -538,6 +547,7 @@ CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_LM8323 is not set
 # CONFIG_KEYBOARD_GPIO is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
@@ -597,9 +607,11 @@ CONFIG_I2C_HELPER_AUTO=y
 #
 # I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_DESIGNWARE is not set
 # CONFIG_I2C_GPIO is not set
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+CONFIG_I2C_STU300=y
 
 #
 # External I2C/SMBus adapter drivers
@@ -620,7 +632,6 @@ CONFIG_I2C_HELPER_AUTO=y
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -635,6 +646,7 @@ CONFIG_SPI_MASTER=y
 #
 # CONFIG_SPI_BITBANG is not set
 # CONFIG_SPI_GPIO is not set
+CONFIG_SPI_PL022=y
 
 #
 # SPI Protocol Masters
@@ -647,6 +659,7 @@ CONFIG_POWER_SUPPLY=y
 # CONFIG_PDA_POWER is not set
 # CONFIG_BATTERY_DS2760 is not set
 # CONFIG_BATTERY_BQ27x00 is not set
+# CONFIG_BATTERY_MAX17040 is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 # CONFIG_THERMAL_HWMON is not set
@@ -657,6 +670,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+CONFIG_COH901327_WATCHDOG=y
 CONFIG_SSB_POSSIBLE=y
 
 #
@@ -678,22 +692,9 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_PCF50633 is not set
-
+CONFIG_AB3100_CORE=y
-#
+# CONFIG_EZX_PCAP is not set
-# Multimedia devices
+# CONFIG_MEDIA_SUPPORT is not set
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
 
 #
 # Graphics support
@@ -760,6 +761,11 @@ CONFIG_SND_JACK=y
 # CONFIG_SND_VERBOSE_PROCFS is not set
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_ARM is not set
 # CONFIG_SND_SPI is not set
@@ -770,7 +776,7 @@ CONFIG_SND_SOC_I2C_AND_SPI=y
 # CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
 CONFIG_MMC=y
-# CONFIG_MMC_DEBUG is not set
+CONFIG_MMC_DEBUG=y
 # CONFIG_MMC_UNSAFE_RESUME is not set
 
 #
@@ -797,7 +803,7 @@ CONFIG_LEDS_CLASS=y
 #
 # CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_GPIO is not set
-# CONFIG_LEDS_LP5521 is not set
+# CONFIG_LEDS_LP3944 is not set
 # CONFIG_LEDS_PCA955X is not set
 # CONFIG_LEDS_DAC124S085 is not set
 # CONFIG_LEDS_BD2802 is not set
@@ -845,6 +851,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -887,7 +894,10 @@ CONFIG_REGULATOR=y
 # CONFIG_REGULATOR_DEBUG is not set
 # CONFIG_REGULATOR_FIXED_VOLTAGE is not set
 # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
 # CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_LP3971 is not set
 # CONFIG_UIO is not set
 # CONFIG_STAGING is not set
 
@@ -900,16 +910,20 @@ CONFIG_REGULATOR=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 CONFIG_FUSE_FS=y
+# CONFIG_CUSE is not set
 
 #
 # Caches
@@ -1033,6 +1047,7 @@ CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_SLUB_DEBUG_ON is not set
 # CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
@@ -1063,18 +1078,16 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_TRACING_SUPPORT=y
-
+CONFIG_FTRACE=y
-#
-# Tracers
-#
 # CONFIG_FUNCTION_TRACER is not set
 # CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
-# CONFIG_EVENT_TRACER is not set
 # CONFIG_BOOT_TRACER is not set
-# CONFIG_TRACE_BRANCH_PROFILING is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_STACK_TRACER is not set
 # CONFIG_KMEMTRACE is not set
 # CONFIG_WORKQUEUE_TRACER is not set
@@ -1109,6 +1122,7 @@ CONFIG_GENERIC_FIND_LAST_BIT=y
 # CONFIG_CRC32 is not set
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
+CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y

arch/arm/include/asm/pgtable.h

@@ -285,15 +285,6 @@ extern struct page *empty_zero_page;
 #define pte_young(pte)		(pte_val(pte) & L_PTE_YOUNG)
 #define pte_special(pte)	(0)
 
-/*
- * The following only works if pte_present() is not true.
- */
-#define pte_file(pte)		(pte_val(pte) & L_PTE_FILE)
-#define pte_to_pgoff(x)		(pte_val(x) >> 2)
-#define pgoff_to_pte(x)		__pte(((x) << 2) | L_PTE_FILE)
-
-#define PTE_FILE_MAX_BITS	30
-
 #define PTE_BIT_FUNC(fn,op) \
 static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
 
@@ -384,16 +375,50 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 
-/* Encode and decode a swap entry.
+/*
+ * Encode and decode a swap entry.  Swap entries are stored in the Linux
+ * page tables as follows:
  *
- * We support up to 32GB of swap on 4k machines
+ *   3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+ *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ *   <--------------- offset --------------------> <--- type --> 0 0
+ *
+ * This gives us up to 127 swap files and 32GB per swap file.  Note that
+ * the offset field is always non-zero.
  */
-#define __swp_type(x)		(((x).val >> 2) & 0x7f)
+#define __SWP_TYPE_SHIFT	2
-#define __swp_offset(x)		((x).val >> 9)
+#define __SWP_TYPE_BITS		7
-#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 2) | ((offset) << 9) })
+#define __SWP_TYPE_MASK		((1 << __SWP_TYPE_BITS) - 1)
+#define __SWP_OFFSET_SHIFT	(__SWP_TYPE_BITS + __SWP_TYPE_SHIFT)
+
+#define __swp_type(x)		(((x).val >> __SWP_TYPE_SHIFT) & __SWP_TYPE_MASK)
+#define __swp_offset(x)		((x).val >> __SWP_OFFSET_SHIFT)
+#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << __SWP_TYPE_SHIFT) | ((offset) << __SWP_OFFSET_SHIFT) })
+
 #define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(swp)	((pte_t) { (swp).val })
 
+/*
+ * It is an error for the kernel to have more swap files than we can
+ * encode in the PTEs.  This ensures that we know when MAX_SWAPFILES
+ * is increased beyond what we presently support.
+ */
+#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)
+
+/*
+ * Encode and decode a file entry.  File entries are stored in the Linux
+ * page tables as follows:
+ *
+ *   3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+ *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ *   <------------------------ offset -------------------------> 1 0
+ */
+#define pte_file(pte)		(pte_val(pte) & L_PTE_FILE)
+#define pte_to_pgoff(x)		(pte_val(x) >> 2)
+#define pgoff_to_pte(x)		__pte(((x) << 2) | L_PTE_FILE)
+
+#define PTE_FILE_MAX_BITS	30
+
 /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
 /* FIXME: this is not correct */
 #define kern_addr_valid(addr)	(1)

arch/arm/mach-u300/clock.c

@@ -24,6 +24,7 @@
 #include <linux/init.h>
 #include <linux/timer.h>
 #include <linux/io.h>
+#include <linux/seq_file.h>
 
 #include <asm/clkdev.h>
 #include <mach/hardware.h>
@@ -702,6 +703,7 @@ static struct clk amba_clk = {
 	.rate	    = 52000000, /* this varies! */
 	.hw_ctrld   = true,
 	.reset	    = false,
+	.lock       = __SPIN_LOCK_UNLOCKED(amba_clk.lock),
 };
 
 /*
@@ -720,6 +722,7 @@ static struct clk cpu_clk = {
 	.set_rate   = clk_set_rate_cpuclk,
 	.get_rate   = clk_get_rate_cpuclk,
 	.round_rate = clk_round_rate_cpuclk,
+	.lock       = __SPIN_LOCK_UNLOCKED(cpu_clk.lock),
 };
 
 static struct clk nandif_clk = {
@@ -732,6 +735,7 @@ static struct clk nandif_clk = {
 	.clk_val    = U300_SYSCON_SBCER_NANDIF_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(nandif_clk.lock),
 };
 
 static struct clk semi_clk = {
@@ -744,6 +748,7 @@ static struct clk semi_clk = {
 	.clk_val    = U300_SYSCON_SBCER_SEMI_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(semi_clk.lock),
 };
 
 #ifdef CONFIG_MACH_U300_BS335
@@ -758,6 +763,7 @@ static struct clk isp_clk = {
 	.clk_val    = U300_SYSCON_SBCER_ISP_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(isp_clk.lock),
 };
 
 static struct clk cds_clk = {
@@ -771,6 +777,7 @@ static struct clk cds_clk = {
 	.clk_val    = U300_SYSCON_SBCER_CDS_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(cds_clk.lock),
 };
 #endif
 
@@ -785,6 +792,7 @@ static struct clk dma_clk = {
 	.clk_val    = U300_SYSCON_SBCER_DMAC_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(dma_clk.lock),
 };
 
 static struct clk aaif_clk = {
@@ -798,6 +806,7 @@ static struct clk aaif_clk = {
 	.clk_val    = U300_SYSCON_SBCER_AAIF_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(aaif_clk.lock),
 };
 
 static struct clk apex_clk = {
@@ -811,6 +820,7 @@ static struct clk apex_clk = {
 	.clk_val    = U300_SYSCON_SBCER_APEX_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(apex_clk.lock),
 };
 
 static struct clk video_enc_clk = {
@@ -825,6 +835,7 @@ static struct clk video_enc_clk = {
 	.clk_val    = U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(video_enc_clk.lock),
 };
 
 static struct clk xgam_clk = {
@@ -839,6 +850,7 @@ static struct clk xgam_clk = {
 	.get_rate   = clk_get_rate_xgamclk,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(xgam_clk.lock),
 };
 
 /* This clock is used to activate the video encoder */
@@ -854,6 +866,7 @@ static struct clk ahb_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_ahb_clk,
+	.lock       = __SPIN_LOCK_UNLOCKED(ahb_clk.lock),
 };
 
 
@@ -871,6 +884,7 @@ static struct clk ahb_subsys_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_ahb_clk,
+	.lock       = __SPIN_LOCK_UNLOCKED(ahb_subsys_clk.lock),
 };
 
 static struct clk intcon_clk = {
@@ -882,6 +896,8 @@ static struct clk intcon_clk = {
 	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RRR,
 	.res_mask   = U300_SYSCON_RRR_INTCON_RESET_EN,
 	/* INTCON can be reset but not clock-gated */
+	.lock       = __SPIN_LOCK_UNLOCKED(intcon_clk.lock),
+
 };
 
 static struct clk mspro_clk = {
@@ -895,6 +911,7 @@ static struct clk mspro_clk = {
 	.clk_val    = U300_SYSCON_SBCER_MSPRO_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(mspro_clk.lock),
 };
 
 static struct clk emif_clk = {
@@ -909,6 +926,7 @@ static struct clk emif_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_emif_clk,
+	.lock       = __SPIN_LOCK_UNLOCKED(emif_clk.lock),
 };
 
 
@@ -926,6 +944,7 @@ static struct clk fast_clk = {
 	.clk_val    = U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(fast_clk.lock),
 };
 
 static struct clk mmcsd_clk = {
@@ -942,6 +961,7 @@ static struct clk mmcsd_clk = {
 	.round_rate = clk_round_rate_mclk,
 	.disable    = syscon_clk_disable,
 	.enable     = syscon_clk_enable,
+	.lock       = __SPIN_LOCK_UNLOCKED(mmcsd_clk.lock),
 };
 
 static struct clk i2s0_clk = {
@@ -956,6 +976,7 @@ static struct clk i2s0_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_i2s_i2c_spi,
+	.lock       = __SPIN_LOCK_UNLOCKED(i2s0_clk.lock),
 };
 
 static struct clk i2s1_clk = {
@@ -970,6 +991,7 @@ static struct clk i2s1_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_i2s_i2c_spi,
+	.lock       = __SPIN_LOCK_UNLOCKED(i2s1_clk.lock),
 };
 
 static struct clk i2c0_clk = {
@@ -984,6 +1006,7 @@ static struct clk i2c0_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_i2s_i2c_spi,
+	.lock       = __SPIN_LOCK_UNLOCKED(i2c0_clk.lock),
 };
 
 static struct clk i2c1_clk = {
@@ -998,6 +1021,7 @@ static struct clk i2c1_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_i2s_i2c_spi,
+	.lock       = __SPIN_LOCK_UNLOCKED(i2c1_clk.lock),
 };
 
 static struct clk spi_clk = {
@@ -1012,6 +1036,7 @@ static struct clk spi_clk = {
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
 	.get_rate   = clk_get_rate_i2s_i2c_spi,
+	.lock       = __SPIN_LOCK_UNLOCKED(spi_clk.lock),
 };
 
 #ifdef CONFIG_MACH_U300_BS335
@@ -1026,6 +1051,7 @@ static struct clk uart1_clk = {
 	.clk_val    = U300_SYSCON_SBCER_UART1_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(uart1_clk.lock),
 };
 #endif
 
@@ -1044,6 +1070,7 @@ static struct clk slow_clk = {
 	.clk_val    = U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(slow_clk.lock),
 };
 
 /* TODO: implement SYSCON clock? */
@@ -1055,6 +1082,7 @@ static struct clk wdog_clk = {
 	.rate	    = 32768,
 	.reset	    = false,
 	/* This is always on, cannot be enabled/disabled or reset */
+	.lock       = __SPIN_LOCK_UNLOCKED(wdog_clk.lock),
 };
 
 /* This one is hardwired to PLL13 */
@@ -1069,6 +1097,7 @@ static struct clk uart_clk = {
 	.clk_val    = U300_SYSCON_SBCER_UART_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(uart_clk.lock),
 };
 
 static struct clk keypad_clk = {
@@ -1082,6 +1111,7 @@ static struct clk keypad_clk = {
 	.clk_val    = U300_SYSCON_SBCER_KEYPAD_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(keypad_clk.lock),
 };
 
 static struct clk gpio_clk = {
@@ -1095,6 +1125,7 @@ static struct clk gpio_clk = {
 	.clk_val    = U300_SYSCON_SBCER_GPIO_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(gpio_clk.lock),
 };
 
 static struct clk rtc_clk = {
@@ -1106,6 +1137,7 @@ static struct clk rtc_clk = {
 	.res_reg    = U300_SYSCON_VBASE + U300_SYSCON_RSR,
 	.res_mask   = U300_SYSCON_RSR_RTC_RESET_EN,
 	/* This clock is always on, cannot be enabled/disabled */
+	.lock       = __SPIN_LOCK_UNLOCKED(rtc_clk.lock),
 };
 
 static struct clk bustr_clk = {
@@ -1119,6 +1151,7 @@ static struct clk bustr_clk = {
 	.clk_val    = U300_SYSCON_SBCER_BTR_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(bustr_clk.lock),
 };
 
 static struct clk evhist_clk = {
@@ -1132,6 +1165,7 @@ static struct clk evhist_clk = {
 	.clk_val    = U300_SYSCON_SBCER_EH_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(evhist_clk.lock),
 };
 
 static struct clk timer_clk = {
@@ -1145,6 +1179,7 @@ static struct clk timer_clk = {
 	.clk_val    = U300_SYSCON_SBCER_ACC_TMR_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(timer_clk.lock),
 };
 
 static struct clk app_timer_clk = {
@@ -1158,6 +1193,7 @@ static struct clk app_timer_clk = {
 	.clk_val    = U300_SYSCON_SBCER_APP_TMR_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(app_timer_clk.lock),
 };
 
 #ifdef CONFIG_MACH_U300_BS335
@@ -1172,6 +1208,7 @@ static struct clk ppm_clk = {
 	.clk_val    = U300_SYSCON_SBCER_PPM_CLK_EN,
 	.enable     = syscon_clk_enable,
 	.disable    = syscon_clk_disable,
+	.lock       = __SPIN_LOCK_UNLOCKED(ppm_clk.lock),
 };
 #endif
 
@@ -1187,53 +1224,53 @@ static struct clk ppm_clk = {
  */
 static struct clk_lookup lookups[] = {
 	/* Connected directly to the AMBA bus */
-	DEF_LOOKUP("amba", &amba_clk),
+	DEF_LOOKUP("amba",      &amba_clk),
-	DEF_LOOKUP("cpu", &cpu_clk),
+	DEF_LOOKUP("cpu",       &cpu_clk),
-	DEF_LOOKUP("nandif", &nandif_clk),
+	DEF_LOOKUP("fsmc",      &nandif_clk),
-	DEF_LOOKUP("semi", &semi_clk),
+	DEF_LOOKUP("semi",      &semi_clk),
 #ifdef CONFIG_MACH_U300_BS335
-	DEF_LOOKUP("isp", &isp_clk),
+	DEF_LOOKUP("isp",       &isp_clk),
-	DEF_LOOKUP("cds", &cds_clk),
+	DEF_LOOKUP("cds",       &cds_clk),
 #endif
-	DEF_LOOKUP("dma", &dma_clk),
+	DEF_LOOKUP("dma",       &dma_clk),
-	DEF_LOOKUP("aaif", &aaif_clk),
+	DEF_LOOKUP("msl",       &aaif_clk),
-	DEF_LOOKUP("apex", &apex_clk),
+	DEF_LOOKUP("apex",      &apex_clk),
 	DEF_LOOKUP("video_enc", &video_enc_clk),
-	DEF_LOOKUP("xgam", &xgam_clk),
+	DEF_LOOKUP("xgam",      &xgam_clk),
-	DEF_LOOKUP("ahb", &ahb_clk),
+	DEF_LOOKUP("ahb",       &ahb_clk),
 	/* AHB bridge clocks */
-	DEF_LOOKUP("ahb", &ahb_subsys_clk),
+	DEF_LOOKUP("ahb_subsys", &ahb_subsys_clk),
-	DEF_LOOKUP("intcon", &intcon_clk),
+	DEF_LOOKUP("intcon",    &intcon_clk),
-	DEF_LOOKUP("mspro", &mspro_clk),
+	DEF_LOOKUP("mspro",     &mspro_clk),
-	DEF_LOOKUP("pl172", &emif_clk),
+	DEF_LOOKUP("pl172",     &emif_clk),
 	/* FAST bridge clocks */
-	DEF_LOOKUP("fast", &fast_clk),
+	DEF_LOOKUP("fast",      &fast_clk),
-	DEF_LOOKUP("mmci", &mmcsd_clk),
+	DEF_LOOKUP("mmci",      &mmcsd_clk),
 	/*
 	 * The .0 and .1 identifiers on these comes from the platform device
 	 * .id field and are assigned when the platform devices are registered.
 	 */
-	DEF_LOOKUP("i2s.0", &i2s0_clk),
+	DEF_LOOKUP("i2s.0",     &i2s0_clk),
-	DEF_LOOKUP("i2s.1", &i2s1_clk),
+	DEF_LOOKUP("i2s.1",     &i2s1_clk),
-	DEF_LOOKUP("stddci2c.0", &i2c0_clk),
+	DEF_LOOKUP("stu300.0",  &i2c0_clk),
-	DEF_LOOKUP("stddci2c.1", &i2c1_clk),
+	DEF_LOOKUP("stu300.1",  &i2c1_clk),
-	DEF_LOOKUP("pl022", &spi_clk),
+	DEF_LOOKUP("pl022",     &spi_clk),
 #ifdef CONFIG_MACH_U300_BS335
-	DEF_LOOKUP("uart1", &uart1_clk),
+	DEF_LOOKUP("uart1",     &uart1_clk),
 #endif
 	/* SLOW bridge clocks */
-	DEF_LOOKUP("slow", &slow_clk),
+	DEF_LOOKUP("slow",      &slow_clk),
-	DEF_LOOKUP("wdog", &wdog_clk),
+	DEF_LOOKUP("coh901327_wdog",      &wdog_clk),
-	DEF_LOOKUP("uart0", &uart_clk),
+	DEF_LOOKUP("uart0",     &uart_clk),
-	DEF_LOOKUP("apptimer", &app_timer_clk),
+	DEF_LOOKUP("apptimer",  &app_timer_clk),
-	DEF_LOOKUP("keypad", &keypad_clk),
+	DEF_LOOKUP("coh901461-keypad",    &keypad_clk),
 	DEF_LOOKUP("u300-gpio", &gpio_clk),
-	DEF_LOOKUP("rtc0", &rtc_clk),
+	DEF_LOOKUP("rtc-coh901331",      &rtc_clk),
-	DEF_LOOKUP("bustr", &bustr_clk),
+	DEF_LOOKUP("bustr",     &bustr_clk),
-	DEF_LOOKUP("evhist", &evhist_clk),
+	DEF_LOOKUP("evhist",    &evhist_clk),
-	DEF_LOOKUP("timer", &timer_clk),
+	DEF_LOOKUP("timer",     &timer_clk),
 #ifdef CONFIG_MACH_U300_BS335
-	DEF_LOOKUP("ppm", &ppm_clk),
+	DEF_LOOKUP("ppm",       &ppm_clk),
 #endif
 };
 
@@ -1427,16 +1464,20 @@ static const struct file_operations u300_clocks_operations = {
 	.release	= single_release,
 };
 
-static void init_clk_read_procfs(void)
+static int __init init_clk_read_debugfs(void)
 {
 	/* Expose a simple debugfs interface to view all clocks */
 	(void) debugfs_create_file("u300_clocks", S_IFREG | S_IRUGO,
-				   NULL, NULL, &u300_clocks_operations);
+				   NULL, NULL,
-}
+				   &u300_clocks_operations);
-#else
+	return 0;
-static inline void init_clk_read_procfs(void)
-{
 }
+/*
+ * This needs to come in after the core_initcall() for the
+ * overall clocks, because debugfs is not available until
+ * the subsystems come up.
+ */
+module_init(init_clk_read_debugfs);
 #endif
 
 static int __init u300_clock_init(void)
@@ -1462,8 +1503,6 @@ static int __init u300_clock_init(void)
 
 	clk_register();
 
-	init_clk_read_procfs();
-
 	/*
 	 * Some of these may be on when we boot the system so make sure they
 	 * are turned OFF.

arch/arm/mm/proc-syms.c

@@ -27,6 +27,7 @@ EXPORT_SYMBOL(__cpuc_flush_kern_all);
 EXPORT_SYMBOL(__cpuc_flush_user_all);
 EXPORT_SYMBOL(__cpuc_flush_user_range);
 EXPORT_SYMBOL(__cpuc_coherent_kern_range);
+EXPORT_SYMBOL(__cpuc_flush_dcache_page);
 EXPORT_SYMBOL(dmac_inv_range);  /* because of flush_ioremap_region() */
 #else
 EXPORT_SYMBOL(cpu_cache);

drivers/amba/bus.c

@@ -207,6 +207,16 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
 	void __iomem *tmp;
 	int i, ret;
 
+	device_initialize(&dev->dev);
+
+	/*
+	 * Copy from device_add
+	 */
+	if (dev->dev.init_name) {
+		dev_set_name(&dev->dev, "%s", dev->dev.init_name);
+		dev->dev.init_name = NULL;
+	}
+
 	dev->dev.release = amba_device_release;
 	dev->dev.bus = &amba_bustype;
 	dev->dev.dma_mask = &dev->dma_mask;
@@ -240,7 +250,7 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
 		goto err_release;
 	}
 
-	ret = device_register(&dev->dev);
+	ret = device_add(&dev->dev);
 	if (ret)
 		goto err_release;