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-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/boot/compressed/Makefile2
-rw-r--r--arch/arm/common/sharpsl_pm.c19
-rw-r--r--arch/arm/include/asm/ftrace.h2
-rw-r--r--arch/arm/include/asm/memory.h12
-rw-r--r--arch/arm/include/asm/system.h4
-rw-r--r--arch/arm/kernel/armksyms.c2
-rw-r--r--arch/arm/kernel/elf.c6
-rw-r--r--arch/arm/kernel/entry-common.S4
-rw-r--r--arch/arm/kernel/ftrace.c13
-rw-r--r--arch/arm/kernel/module.c8
-rw-r--r--arch/arm/mach-at91/board-afeb-9260v1.c1
-rw-r--r--arch/arm/mach-at91/include/mach/gpio.h2
-rw-r--r--arch/arm/mach-ep93xx/core.c6
-rw-r--r--arch/arm/mach-imx/include/mach/gpio.h3
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/gpio.h3
-rw-r--r--arch/arm/mach-ks8695/include/mach/gpio.h3
-rw-r--r--arch/arm/mach-mx3/mx31ads.c2
-rw-r--r--arch/arm/mach-mx3/pcm037.c4
-rw-r--r--arch/arm/mach-ns9xxx/gpio.c2
-rw-r--r--arch/arm/mach-omap2/gpmc.c6
-rw-r--r--arch/arm/mach-orion5x/gpio.c2
-rw-r--r--arch/arm/mach-pxa/corgi_pm.c4
-rw-r--r--arch/arm/mach-pxa/include/mach/sharpsl.h1
-rw-r--r--arch/arm/mach-pxa/spitz.c12
-rw-r--r--arch/arm/mach-pxa/spitz_pm.c4
-rw-r--r--arch/arm/mm/cache-xsc3l2.c4
-rw-r--r--arch/arm/mm/mmu.c111
-rw-r--r--arch/arm/mm/proc-v7.S12
-rw-r--r--arch/arm/mm/proc-xsc3.S2
-rw-r--r--arch/arm/plat-mxc/gpio.c2
-rw-r--r--arch/arm/plat-mxc/include/mach/io.h20
-rw-r--r--arch/arm/plat-omap/clock.c20
-rw-r--r--arch/arm/plat-omap/include/mach/entry-macro.S4
-rw-r--r--arch/arm/plat-omap/include/mach/irqs.h2
35 files changed, 207 insertions, 100 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5021db2217ed..9722f8bb506c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -16,8 +16,7 @@ config ARM
16 select HAVE_ARCH_KGDB 16 select HAVE_ARCH_KGDB
17 select HAVE_KPROBES if (!XIP_KERNEL) 17 select HAVE_KPROBES if (!XIP_KERNEL)
18 select HAVE_KRETPROBES if (HAVE_KPROBES) 18 select HAVE_KRETPROBES if (HAVE_KPROBES)
19 select HAVE_FTRACE if (!XIP_KERNEL) 19 select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
20 select HAVE_DYNAMIC_FTRACE if (HAVE_FTRACE)
21 select HAVE_GENERIC_DMA_COHERENT 20 select HAVE_GENERIC_DMA_COHERENT
22 help 21 help
23 The ARM series is a line of low-power-consumption RISC chip designs 22 The ARM series is a line of low-power-consumption RISC chip designs
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 7a03f2007882..c47f2a3f8f8f 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -70,7 +70,7 @@ SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
70targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \ 70targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
71 head.o misc.o $(OBJS) 71 head.o misc.o $(OBJS)
72 72
73ifeq ($(CONFIG_FTRACE),y) 73ifeq ($(CONFIG_FUNCTION_TRACER),y)
74ORIG_CFLAGS := $(KBUILD_CFLAGS) 74ORIG_CFLAGS := $(KBUILD_CFLAGS)
75KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 75KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
76endif 76endif
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
index db8309161408..780bbf7cb26f 100644
--- a/arch/arm/common/sharpsl_pm.c
+++ b/arch/arm/common/sharpsl_pm.c
@@ -54,11 +54,13 @@
54/* 54/*
55 * Prototypes 55 * Prototypes
56 */ 56 */
57#ifdef CONFIG_PM
57static int sharpsl_off_charge_battery(void); 58static int sharpsl_off_charge_battery(void);
58static int sharpsl_check_battery_temp(void);
59static int sharpsl_check_battery_voltage(void); 59static int sharpsl_check_battery_voltage(void);
60static int sharpsl_ac_check(void);
61static int sharpsl_fatal_check(void); 60static int sharpsl_fatal_check(void);
61#endif
62static int sharpsl_check_battery_temp(void);
63static int sharpsl_ac_check(void);
62static int sharpsl_average_value(int ad); 64static int sharpsl_average_value(int ad);
63static void sharpsl_average_clear(void); 65static void sharpsl_average_clear(void);
64static void sharpsl_charge_toggle(struct work_struct *private_); 66static void sharpsl_charge_toggle(struct work_struct *private_);
@@ -424,6 +426,7 @@ static int sharpsl_check_battery_temp(void)
424 return 0; 426 return 0;
425} 427}
426 428
429#ifdef CONFIG_PM
427static int sharpsl_check_battery_voltage(void) 430static int sharpsl_check_battery_voltage(void)
428{ 431{
429 int val, i, buff[5]; 432 int val, i, buff[5];
@@ -455,6 +458,7 @@ static int sharpsl_check_battery_voltage(void)
455 458
456 return 0; 459 return 0;
457} 460}
461#endif
458 462
459static int sharpsl_ac_check(void) 463static int sharpsl_ac_check(void)
460{ 464{
@@ -586,8 +590,6 @@ static int corgi_pxa_pm_enter(suspend_state_t state)
586 590
587 return 0; 591 return 0;
588} 592}
589#endif
590
591 593
592/* 594/*
593 * Check for fatal battery errors 595 * Check for fatal battery errors
@@ -738,7 +740,10 @@ static int sharpsl_off_charge_battery(void)
738 } 740 }
739 } 741 }
740} 742}
741 743#else
744#define sharpsl_pm_suspend NULL
745#define sharpsl_pm_resume NULL
746#endif
742 747
743static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf) 748static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf)
744{ 749{
@@ -768,10 +773,12 @@ static void sharpsl_apm_get_power_status(struct apm_power_info *info)
768 info->battery_life = sharpsl_pm.battstat.mainbat_percent; 773 info->battery_life = sharpsl_pm.battstat.mainbat_percent;
769} 774}
770 775
776#ifdef CONFIG_PM
771static struct platform_suspend_ops sharpsl_pm_ops = { 777static struct platform_suspend_ops sharpsl_pm_ops = {
772 .enter = corgi_pxa_pm_enter, 778 .enter = corgi_pxa_pm_enter,
773 .valid = suspend_valid_only_mem, 779 .valid = suspend_valid_only_mem,
774}; 780};
781#endif
775 782
776static int __init sharpsl_pm_probe(struct platform_device *pdev) 783static int __init sharpsl_pm_probe(struct platform_device *pdev)
777{ 784{
@@ -802,7 +809,9 @@ static int __init sharpsl_pm_probe(struct platform_device *pdev)
802 809
803 apm_get_power_status = sharpsl_apm_get_power_status; 810 apm_get_power_status = sharpsl_apm_get_power_status;
804 811
812#ifdef CONFIG_PM
805 suspend_set_ops(&sharpsl_pm_ops); 813 suspend_set_ops(&sharpsl_pm_ops);
814#endif
806 815
807 mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250)); 816 mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250));
808 817
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index 584ef9a8e5a5..39c8bc1a006a 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -1,7 +1,7 @@
1#ifndef _ASM_ARM_FTRACE 1#ifndef _ASM_ARM_FTRACE
2#define _ASM_ARM_FTRACE 2#define _ASM_ARM_FTRACE
3 3
4#ifdef CONFIG_FTRACE 4#ifdef CONFIG_FUNCTION_TRACER
5#define MCOUNT_ADDR ((long)(mcount)) 5#define MCOUNT_ADDR ((long)(mcount))
6#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ 6#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
7 7
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 809ff9ab853a..77764301844b 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -44,10 +44,10 @@
44 * The module space lives between the addresses given by TASK_SIZE 44 * The module space lives between the addresses given by TASK_SIZE
45 * and PAGE_OFFSET - it must be within 32MB of the kernel text. 45 * and PAGE_OFFSET - it must be within 32MB of the kernel text.
46 */ 46 */
47#define MODULE_END (PAGE_OFFSET) 47#define MODULES_END (PAGE_OFFSET)
48#define MODULE_START (MODULE_END - 16*1048576) 48#define MODULES_VADDR (MODULES_END - 16*1048576)
49 49
50#if TASK_SIZE > MODULE_START 50#if TASK_SIZE > MODULES_VADDR
51#error Top of user space clashes with start of module space 51#error Top of user space clashes with start of module space
52#endif 52#endif
53 53
@@ -56,7 +56,7 @@
56 * Since we use sections to map it, this macro replaces the physical address 56 * Since we use sections to map it, this macro replaces the physical address
57 * with its virtual address while keeping offset from the base section. 57 * with its virtual address while keeping offset from the base section.
58 */ 58 */
59#define XIP_VIRT_ADDR(physaddr) (MODULE_START + ((physaddr) & 0x000fffff)) 59#define XIP_VIRT_ADDR(physaddr) (MODULES_VADDR + ((physaddr) & 0x000fffff))
60 60
61/* 61/*
62 * Allow 16MB-aligned ioremap pages 62 * Allow 16MB-aligned ioremap pages
@@ -94,8 +94,8 @@
94/* 94/*
95 * The module can be at any place in ram in nommu mode. 95 * The module can be at any place in ram in nommu mode.
96 */ 96 */
97#define MODULE_END (END_MEM) 97#define MODULES_END (END_MEM)
98#define MODULE_START (PHYS_OFFSET) 98#define MODULES_VADDR (PHYS_OFFSET)
99 99
100#endif /* !CONFIG_MMU */ 100#endif /* !CONFIG_MMU */
101 101
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 7aad78420f18..568020b34e3e 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -42,6 +42,10 @@
42#define CR_U (1 << 22) /* Unaligned access operation */ 42#define CR_U (1 << 22) /* Unaligned access operation */
43#define CR_XP (1 << 23) /* Extended page tables */ 43#define CR_XP (1 << 23) /* Extended page tables */
44#define CR_VE (1 << 24) /* Vectored interrupts */ 44#define CR_VE (1 << 24) /* Vectored interrupts */
45#define CR_EE (1 << 25) /* Exception (Big) Endian */
46#define CR_TRE (1 << 28) /* TEX remap enable */
47#define CR_AFE (1 << 29) /* Access flag enable */
48#define CR_TE (1 << 30) /* Thumb exception enable */
45 49
46/* 50/*
47 * This is used to ensure the compiler did actually allocate the register we 51 * This is used to ensure the compiler did actually allocate the register we
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 2357b1cf1cf9..c74f766ffc12 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -183,6 +183,6 @@ EXPORT_SYMBOL(_find_next_bit_be);
183 183
184EXPORT_SYMBOL(copy_page); 184EXPORT_SYMBOL(copy_page);
185 185
186#ifdef CONFIG_FTRACE 186#ifdef CONFIG_FUNCTION_TRACER
187EXPORT_SYMBOL(mcount); 187EXPORT_SYMBOL(mcount);
188#endif 188#endif
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index 513f332f040d..84849098c8e8 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -21,12 +21,16 @@ int elf_check_arch(const struct elf32_hdr *x)
21 21
22 eflags = x->e_flags; 22 eflags = x->e_flags;
23 if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN) { 23 if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN) {
24 unsigned int flt_fmt;
25
24 /* APCS26 is only allowed if the CPU supports it */ 26 /* APCS26 is only allowed if the CPU supports it */
25 if ((eflags & EF_ARM_APCS_26) && !(elf_hwcap & HWCAP_26BIT)) 27 if ((eflags & EF_ARM_APCS_26) && !(elf_hwcap & HWCAP_26BIT))
26 return 0; 28 return 0;
27 29
30 flt_fmt = eflags & (EF_ARM_VFP_FLOAT | EF_ARM_SOFT_FLOAT);
31
28 /* VFP requires the supporting code */ 32 /* VFP requires the supporting code */
29 if ((eflags & EF_ARM_VFP_FLOAT) && !(elf_hwcap & HWCAP_VFP)) 33 if (flt_fmt == EF_ARM_VFP_FLOAT && !(elf_hwcap & HWCAP_VFP))
30 return 0; 34 return 0;
31 } 35 }
32 return 1; 36 return 1;
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 3aa14dcc5bab..06269ea375c5 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -101,7 +101,7 @@ ENDPROC(ret_from_fork)
101#undef CALL 101#undef CALL
102#define CALL(x) .long x 102#define CALL(x) .long x
103 103
104#ifdef CONFIG_FTRACE 104#ifdef CONFIG_FUNCTION_TRACER
105#ifdef CONFIG_DYNAMIC_FTRACE 105#ifdef CONFIG_DYNAMIC_FTRACE
106ENTRY(mcount) 106ENTRY(mcount)
107 stmdb sp!, {r0-r3, lr} 107 stmdb sp!, {r0-r3, lr}
@@ -149,7 +149,7 @@ trace:
149ftrace_stub: 149ftrace_stub:
150 mov pc, lr 150 mov pc, lr
151 151
152#endif /* CONFIG_FTRACE */ 152#endif /* CONFIG_FUNCTION_TRACER */
153 153
154/*============================================================================= 154/*=============================================================================
155 * SWI handler 155 * SWI handler
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 76d50e6091bc..6c90479e8974 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -95,19 +95,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
95 return ret; 95 return ret;
96} 96}
97 97
98int ftrace_mcount_set(unsigned long *data)
99{
100 unsigned long pc, old;
101 unsigned long *addr = data;
102 unsigned char *new;
103
104 pc = (unsigned long)&mcount_call;
105 memcpy(&old, &mcount_call, MCOUNT_INSN_SIZE);
106 new = ftrace_call_replace(pc, *addr);
107 *addr = ftrace_modify_code(pc, (unsigned char *)&old, new);
108 return 0;
109}
110
111/* run from kstop_machine */ 98/* run from kstop_machine */
112int __init ftrace_dyn_arch_init(void *data) 99int __init ftrace_dyn_arch_init(void *data)
113{ 100{
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 9203ba7d58ee..b8d965dcd6fd 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -26,12 +26,12 @@
26/* 26/*
27 * The XIP kernel text is mapped in the module area for modules and 27 * The XIP kernel text is mapped in the module area for modules and
28 * some other stuff to work without any indirect relocations. 28 * some other stuff to work without any indirect relocations.
29 * MODULE_START is redefined here and not in asm/memory.h to avoid 29 * MODULES_VADDR is redefined here and not in asm/memory.h to avoid
30 * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off. 30 * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off.
31 */ 31 */
32extern void _etext; 32extern void _etext;
33#undef MODULE_START 33#undef MODULES_VADDR
34#define MODULE_START (((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK) 34#define MODULES_VADDR (((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK)
35#endif 35#endif
36 36
37#ifdef CONFIG_MMU 37#ifdef CONFIG_MMU
@@ -43,7 +43,7 @@ void *module_alloc(unsigned long size)
43 if (!size) 43 if (!size)
44 return NULL; 44 return NULL;
45 45
46 area = __get_vm_area(size, VM_ALLOC, MODULE_START, MODULE_END); 46 area = __get_vm_area(size, VM_ALLOC, MODULES_VADDR, MODULES_END);
47 if (!area) 47 if (!area)
48 return NULL; 48 return NULL;
49 49
diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c
index 9c040c78889a..e263fda3e2d1 100644
--- a/arch/arm/mach-at91/board-afeb-9260v1.c
+++ b/arch/arm/mach-at91/board-afeb-9260v1.c
@@ -165,6 +165,7 @@ static struct at91_mmc_data __initdata afeb9260_mmc_data = {
165static struct i2c_board_info __initdata afeb9260_i2c_devices[] = { 165static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
166 { 166 {
167 I2C_BOARD_INFO("fm3130", 0x68), 167 I2C_BOARD_INFO("fm3130", 0x68),
168 }, {
168 I2C_BOARD_INFO("24c64", 0x50), 169 I2C_BOARD_INFO("24c64", 0x50),
169 }, 170 },
170}; 171};
diff --git a/arch/arm/mach-at91/include/mach/gpio.h b/arch/arm/mach-at91/include/mach/gpio.h
index 76d76e2fa69e..bffa6741a751 100644
--- a/arch/arm/mach-at91/include/mach/gpio.h
+++ b/arch/arm/mach-at91/include/mach/gpio.h
@@ -13,6 +13,7 @@
13#ifndef __ASM_ARCH_AT91RM9200_GPIO_H 13#ifndef __ASM_ARCH_AT91RM9200_GPIO_H
14#define __ASM_ARCH_AT91RM9200_GPIO_H 14#define __ASM_ARCH_AT91RM9200_GPIO_H
15 15
16#include <linux/kernel.h>
16#include <asm/irq.h> 17#include <asm/irq.h>
17 18
18#define PIN_BASE NR_AIC_IRQS 19#define PIN_BASE NR_AIC_IRQS
@@ -220,6 +221,7 @@ static inline int gpio_request(unsigned gpio, const char *label)
220 221
221static inline void gpio_free(unsigned gpio) 222static inline void gpio_free(unsigned gpio)
222{ 223{
224 might_sleep();
223} 225}
224 226
225extern int gpio_direction_input(unsigned gpio); 227extern int gpio_direction_input(unsigned gpio);
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index de53f0be71b9..48345fb34613 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -26,6 +26,7 @@
26#include <linux/serial_core.h> 26#include <linux/serial_core.h>
27#include <linux/device.h> 27#include <linux/device.h>
28#include <linux/mm.h> 28#include <linux/mm.h>
29#include <linux/dma-mapping.h>
29#include <linux/time.h> 30#include <linux/time.h>
30#include <linux/timex.h> 31#include <linux/timex.h>
31#include <linux/delay.h> 32#include <linux/delay.h>
@@ -449,12 +450,13 @@ static struct resource ep93xx_ohci_resources[] = {
449 }, 450 },
450}; 451};
451 452
453
452static struct platform_device ep93xx_ohci_device = { 454static struct platform_device ep93xx_ohci_device = {
453 .name = "ep93xx-ohci", 455 .name = "ep93xx-ohci",
454 .id = -1, 456 .id = -1,
455 .dev = { 457 .dev = {
456 .dma_mask = (void *)0xffffffff, 458 .dma_mask = &ep93xx_ohci_device.dev.coherent_dma_mask,
457 .coherent_dma_mask = 0xffffffff, 459 .coherent_dma_mask = DMA_BIT_MASK(32),
458 }, 460 },
459 .num_resources = ARRAY_SIZE(ep93xx_ohci_resources), 461 .num_resources = ARRAY_SIZE(ep93xx_ohci_resources),
460 .resource = ep93xx_ohci_resources, 462 .resource = ep93xx_ohci_resources,
diff --git a/arch/arm/mach-imx/include/mach/gpio.h b/arch/arm/mach-imx/include/mach/gpio.h
index 6e3d795f2264..502d5aa2c093 100644
--- a/arch/arm/mach-imx/include/mach/gpio.h
+++ b/arch/arm/mach-imx/include/mach/gpio.h
@@ -1,5 +1,6 @@
1#ifndef _IMX_GPIO_H 1#ifndef _IMX_GPIO_H
2 2
3#include <linux/kernel.h>
3#include <mach/imx-regs.h> 4#include <mach/imx-regs.h>
4 5
5#define IMX_GPIO_ALLOC_MODE_NORMAL 0 6#define IMX_GPIO_ALLOC_MODE_NORMAL 0
@@ -63,6 +64,8 @@ static inline int gpio_request(unsigned gpio, const char *label)
63 64
64static inline void gpio_free(unsigned gpio) 65static inline void gpio_free(unsigned gpio)
65{ 66{
67 might_sleep();
68
66 imx_gpio_free(gpio); 69 imx_gpio_free(gpio);
67} 70}
68 71
diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h
index 9fbde177920f..cd5aec26c072 100644
--- a/arch/arm/mach-ixp4xx/include/mach/gpio.h
+++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h
@@ -25,6 +25,7 @@
25#ifndef __ASM_ARCH_IXP4XX_GPIO_H 25#ifndef __ASM_ARCH_IXP4XX_GPIO_H
26#define __ASM_ARCH_IXP4XX_GPIO_H 26#define __ASM_ARCH_IXP4XX_GPIO_H
27 27
28#include <linux/kernel.h>
28#include <mach/hardware.h> 29#include <mach/hardware.h>
29 30
30static inline int gpio_request(unsigned gpio, const char *label) 31static inline int gpio_request(unsigned gpio, const char *label)
@@ -34,6 +35,8 @@ static inline int gpio_request(unsigned gpio, const char *label)
34 35
35static inline void gpio_free(unsigned gpio) 36static inline void gpio_free(unsigned gpio)
36{ 37{
38 might_sleep();
39
37 return; 40 return;
38} 41}
39 42
diff --git a/arch/arm/mach-ks8695/include/mach/gpio.h b/arch/arm/mach-ks8695/include/mach/gpio.h
index 73c84168761c..d4af5c335f16 100644
--- a/arch/arm/mach-ks8695/include/mach/gpio.h
+++ b/arch/arm/mach-ks8695/include/mach/gpio.h
@@ -11,6 +11,8 @@
11#ifndef __ASM_ARCH_GPIO_H_ 11#ifndef __ASM_ARCH_GPIO_H_
12#define __ASM_ARCH_GPIO_H_ 12#define __ASM_ARCH_GPIO_H_
13 13
14#include <linux/kernel.h>
15
14#define KS8695_GPIO_0 0 16#define KS8695_GPIO_0 0
15#define KS8695_GPIO_1 1 17#define KS8695_GPIO_1 1
16#define KS8695_GPIO_2 2 18#define KS8695_GPIO_2 2
@@ -74,6 +76,7 @@ static inline int gpio_request(unsigned int pin, const char *label)
74 76
75static inline void gpio_free(unsigned int pin) 77static inline void gpio_free(unsigned int pin)
76{ 78{
79 might_sleep();
77} 80}
78 81
79#endif 82#endif
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c
index 1be4a390c63f..f902a7c37c31 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mx31ads.c
@@ -35,6 +35,8 @@
35#include <mach/imx-uart.h> 35#include <mach/imx-uart.h>
36#include <mach/iomux-mx3.h> 36#include <mach/iomux-mx3.h>
37 37
38#include "devices.h"
39
38/*! 40/*!
39 * @file mx31ads.c 41 * @file mx31ads.c
40 * 42 *
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index 11fda95c86a5..843f68c8ead1 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -91,12 +91,12 @@ static struct map_desc pcm037_io_desc[] __initdata = {
91 .virtual = AIPS1_BASE_ADDR_VIRT, 91 .virtual = AIPS1_BASE_ADDR_VIRT,
92 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), 92 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
93 .length = AIPS1_SIZE, 93 .length = AIPS1_SIZE,
94 .type = MT_DEVICE 94 .type = MT_DEVICE_NONSHARED
95 }, { 95 }, {
96 .virtual = AIPS2_BASE_ADDR_VIRT, 96 .virtual = AIPS2_BASE_ADDR_VIRT,
97 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), 97 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
98 .length = AIPS2_SIZE, 98 .length = AIPS2_SIZE,
99 .type = MT_DEVICE 99 .type = MT_DEVICE_NONSHARED
100 }, 100 },
101}; 101};
102 102
diff --git a/arch/arm/mach-ns9xxx/gpio.c b/arch/arm/mach-ns9xxx/gpio.c
index 5241e6a286cc..5503ca09c4ae 100644
--- a/arch/arm/mach-ns9xxx/gpio.c
+++ b/arch/arm/mach-ns9xxx/gpio.c
@@ -8,6 +8,7 @@
8 * under the terms of the GNU General Public License version 2 as published by 8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation. 9 * the Free Software Foundation.
10 */ 10 */
11#include <linux/kernel.h>
11#include <linux/compiler.h> 12#include <linux/compiler.h>
12#include <linux/init.h> 13#include <linux/init.h>
13#include <linux/spinlock.h> 14#include <linux/spinlock.h>
@@ -63,6 +64,7 @@ EXPORT_SYMBOL(gpio_request);
63 64
64void gpio_free(unsigned gpio) 65void gpio_free(unsigned gpio)
65{ 66{
67 might_sleep();
66 clear_bit(gpio, gpiores); 68 clear_bit(gpio, gpiores);
67 return; 69 return;
68} 70}
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 763bdbeaf681..2249049c1d5a 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -429,18 +429,16 @@ void __init gpmc_init(void)
429 gpmc_l3_clk = clk_get(NULL, ck); 429 gpmc_l3_clk = clk_get(NULL, ck);
430 if (IS_ERR(gpmc_l3_clk)) { 430 if (IS_ERR(gpmc_l3_clk)) {
431 printk(KERN_ERR "Could not get GPMC clock %s\n", ck); 431 printk(KERN_ERR "Could not get GPMC clock %s\n", ck);
432 return -ENODEV; 432 BUG();
433 } 433 }
434 434
435 gpmc_base = ioremap(l, SZ_4K); 435 gpmc_base = ioremap(l, SZ_4K);
436 if (!gpmc_base) { 436 if (!gpmc_base) {
437 clk_put(gpmc_l3_clk); 437 clk_put(gpmc_l3_clk);
438 printk(KERN_ERR "Could not get GPMC register memory\n"); 438 printk(KERN_ERR "Could not get GPMC register memory\n");
439 return -ENOMEM; 439 BUG();
440 } 440 }
441 441
442 BUG_ON(IS_ERR(gpmc_l3_clk));
443
444 l = gpmc_read_reg(GPMC_REVISION); 442 l = gpmc_read_reg(GPMC_REVISION);
445 printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f); 443 printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f);
446 /* Set smart idle mode and automatic L3 clock gating */ 444 /* Set smart idle mode and automatic L3 clock gating */
diff --git a/arch/arm/mach-orion5x/gpio.c b/arch/arm/mach-orion5x/gpio.c
index fc419868e39f..f99d08811e5a 100644
--- a/arch/arm/mach-orion5x/gpio.c
+++ b/arch/arm/mach-orion5x/gpio.c
@@ -165,6 +165,8 @@ EXPORT_SYMBOL(gpio_request);
165 165
166void gpio_free(unsigned pin) 166void gpio_free(unsigned pin)
167{ 167{
168 might_sleep();
169
168 if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) { 170 if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
169 pr_debug("%s: invalid GPIO %d\n", __func__, pin); 171 pr_debug("%s: invalid GPIO %d\n", __func__, pin);
170 return; 172 return;
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index eb7d6c94aa42..e35259032813 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -204,7 +204,9 @@ static struct sharpsl_charger_machinfo corgi_pm_machinfo = {
204 .read_devdata = corgipm_read_devdata, 204 .read_devdata = corgipm_read_devdata,
205 .charger_wakeup = corgi_charger_wakeup, 205 .charger_wakeup = corgi_charger_wakeup,
206 .should_wakeup = corgi_should_wakeup, 206 .should_wakeup = corgi_should_wakeup,
207#ifdef CONFIG_BACKLIGHT_CORGI 207#if defined(CONFIG_LCD_CORGI)
208 .backlight_limit = corgi_lcd_limit_intensity,
209#elif defined(CONFIG_BACKLIGHT_CORGI)
208 .backlight_limit = corgibl_limit_intensity, 210 .backlight_limit = corgibl_limit_intensity,
209#endif 211#endif
210 .charge_on_volt = SHARPSL_CHARGE_ON_VOLT, 212 .charge_on_volt = SHARPSL_CHARGE_ON_VOLT,
diff --git a/arch/arm/mach-pxa/include/mach/sharpsl.h b/arch/arm/mach-pxa/include/mach/sharpsl.h
index 3b1d4a72d4d1..8242e14a44fa 100644
--- a/arch/arm/mach-pxa/include/mach/sharpsl.h
+++ b/arch/arm/mach-pxa/include/mach/sharpsl.h
@@ -26,6 +26,7 @@ struct corgits_machinfo {
26 * SharpSL Backlight 26 * SharpSL Backlight
27 */ 27 */
28extern void corgibl_limit_intensity(int limit); 28extern void corgibl_limit_intensity(int limit);
29extern void corgi_lcd_limit_intensity(int limit);
29 30
30 31
31/* 32/*
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 524f656dc56d..f0a5bbae0b45 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -385,6 +385,16 @@ static void __init spitz_init_spi(void)
385 if (err) 385 if (err)
386 goto err_free_2; 386 goto err_free_2;
387 387
388 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
389 if (err)
390 goto err_free_3;
391 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
392 if (err)
393 goto err_free_3;
394 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
395 if (err)
396 goto err_free_3;
397
388 if (machine_is_akita()) { 398 if (machine_is_akita()) {
389 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT; 399 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
390 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON; 400 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
@@ -394,6 +404,8 @@ static void __init spitz_init_spi(void)
394 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); 404 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
395 return; 405 return;
396 406
407err_free_3:
408 gpio_free(SPITZ_GPIO_MAX1111_CS);
397err_free_2: 409err_free_2:
398 gpio_free(SPITZ_GPIO_LCDCON_CS); 410 gpio_free(SPITZ_GPIO_LCDCON_CS);
399err_free_1: 411err_free_1:
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 53018db106ac..072e77cfe5a3 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -198,7 +198,9 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = {
198 .read_devdata = spitzpm_read_devdata, 198 .read_devdata = spitzpm_read_devdata,
199 .charger_wakeup = spitz_charger_wakeup, 199 .charger_wakeup = spitz_charger_wakeup,
200 .should_wakeup = spitz_should_wakeup, 200 .should_wakeup = spitz_should_wakeup,
201#ifdef CONFIG_BACKLIGHT_CORGI 201#if defined(CONFIG_LCD_CORGI)
202 .backlight_limit = corgi_lcd_limit_intensity,
203#elif defined(CONFIG_BACKLIGHT_CORGI)
202 .backlight_limit = corgibl_limit_intensity, 204 .backlight_limit = corgibl_limit_intensity,
203#endif 205#endif
204 .charge_on_volt = SHARPSL_CHARGE_ON_VOLT, 206 .charge_on_volt = SHARPSL_CHARGE_ON_VOLT,
diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 10b1bae1a258..464de893a988 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -98,7 +98,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end)
98 /* 98 /*
99 * Clean and invalidate partial last cache line. 99 * Clean and invalidate partial last cache line.
100 */ 100 */
101 if (end & (CACHE_LINE_SIZE - 1)) { 101 if (start < end && (end & (CACHE_LINE_SIZE - 1))) {
102 xsc3_l2_clean_pa(end & ~(CACHE_LINE_SIZE - 1)); 102 xsc3_l2_clean_pa(end & ~(CACHE_LINE_SIZE - 1));
103 xsc3_l2_inv_pa(end & ~(CACHE_LINE_SIZE - 1)); 103 xsc3_l2_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
104 end &= ~(CACHE_LINE_SIZE - 1); 104 end &= ~(CACHE_LINE_SIZE - 1);
@@ -107,7 +107,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end)
107 /* 107 /*
108 * Invalidate all full cache lines between 'start' and 'end'. 108 * Invalidate all full cache lines between 'start' and 'end'.
109 */ 109 */
110 while (start != end) { 110 while (start < end) {
111 xsc3_l2_inv_pa(start); 111 xsc3_l2_inv_pa(start);
112 start += CACHE_LINE_SIZE; 112 start += CACHE_LINE_SIZE;
113 } 113 }
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 8ba754064559..e63db11f16a8 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -180,20 +180,20 @@ void adjust_cr(unsigned long mask, unsigned long set)
180#endif 180#endif
181 181
182#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_WRITE 182#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_WRITE
183#define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_XN|PMD_SECT_AP_WRITE 183#define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE
184 184
185static struct mem_type mem_types[] = { 185static struct mem_type mem_types[] = {
186 [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */ 186 [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */
187 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED | 187 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED |
188 L_PTE_SHARED, 188 L_PTE_SHARED,
189 .prot_l1 = PMD_TYPE_TABLE, 189 .prot_l1 = PMD_TYPE_TABLE,
190 .prot_sect = PROT_SECT_DEVICE | PMD_SECT_UNCACHED, 190 .prot_sect = PROT_SECT_DEVICE | PMD_SECT_S,
191 .domain = DOMAIN_IO, 191 .domain = DOMAIN_IO,
192 }, 192 },
193 [MT_DEVICE_NONSHARED] = { /* ARMv6 non-shared device */ 193 [MT_DEVICE_NONSHARED] = { /* ARMv6 non-shared device */
194 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_NONSHARED, 194 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_NONSHARED,
195 .prot_l1 = PMD_TYPE_TABLE, 195 .prot_l1 = PMD_TYPE_TABLE,
196 .prot_sect = PROT_SECT_DEVICE | PMD_SECT_TEX(2), 196 .prot_sect = PROT_SECT_DEVICE,
197 .domain = DOMAIN_IO, 197 .domain = DOMAIN_IO,
198 }, 198 },
199 [MT_DEVICE_CACHED] = { /* ioremap_cached */ 199 [MT_DEVICE_CACHED] = { /* ioremap_cached */
@@ -205,7 +205,7 @@ static struct mem_type mem_types[] = {
205 [MT_DEVICE_WC] = { /* ioremap_wc */ 205 [MT_DEVICE_WC] = { /* ioremap_wc */
206 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_WC, 206 .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_WC,
207 .prot_l1 = PMD_TYPE_TABLE, 207 .prot_l1 = PMD_TYPE_TABLE,
208 .prot_sect = PROT_SECT_DEVICE | PMD_SECT_BUFFERABLE, 208 .prot_sect = PROT_SECT_DEVICE,
209 .domain = DOMAIN_IO, 209 .domain = DOMAIN_IO,
210 }, 210 },
211 [MT_CACHECLEAN] = { 211 [MT_CACHECLEAN] = {
@@ -273,22 +273,23 @@ static void __init build_mem_type_table(void)
273#endif 273#endif
274 274
275 /* 275 /*
276 * On non-Xscale3 ARMv5-and-older systems, use CB=01 276 * Strip out features not present on earlier architectures.
277 * (Uncached/Buffered) for ioremap_wc() mappings. On XScale3 277 * Pre-ARMv5 CPUs don't have TEX bits. Pre-ARMv6 CPUs or those
278 * and ARMv6+, use TEXCB=00100 mappings (Inner/Outer Uncacheable 278 * without extended page tables don't have the 'Shared' bit.
279 * in xsc3 parlance, Uncached Normal in ARMv6 parlance).
280 */ 279 */
281 if (cpu_is_xsc3() || cpu_arch >= CPU_ARCH_ARMv6) { 280 if (cpu_arch < CPU_ARCH_ARMv5)
282 mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_TEX(1); 281 for (i = 0; i < ARRAY_SIZE(mem_types); i++)
283 mem_types[MT_DEVICE_WC].prot_sect &= ~PMD_SECT_BUFFERABLE; 282 mem_types[i].prot_sect &= ~PMD_SECT_TEX(7);
284 } 283 if ((cpu_arch < CPU_ARCH_ARMv6 || !(cr & CR_XP)) && !cpu_is_xsc3())
284 for (i = 0; i < ARRAY_SIZE(mem_types); i++)
285 mem_types[i].prot_sect &= ~PMD_SECT_S;
285 286
286 /* 287 /*
287 * ARMv5 and lower, bit 4 must be set for page tables. 288 * ARMv5 and lower, bit 4 must be set for page tables (was: cache
288 * (was: cache "update-able on write" bit on ARM610) 289 * "update-able on write" bit on ARM610). However, Xscale and
289 * However, Xscale cores require this bit to be cleared. 290 * Xscale3 require this bit to be cleared.
290 */ 291 */
291 if (cpu_is_xscale()) { 292 if (cpu_is_xscale() || cpu_is_xsc3()) {
292 for (i = 0; i < ARRAY_SIZE(mem_types); i++) { 293 for (i = 0; i < ARRAY_SIZE(mem_types); i++) {
293 mem_types[i].prot_sect &= ~PMD_BIT4; 294 mem_types[i].prot_sect &= ~PMD_BIT4;
294 mem_types[i].prot_l1 &= ~PMD_BIT4; 295 mem_types[i].prot_l1 &= ~PMD_BIT4;
@@ -302,6 +303,64 @@ static void __init build_mem_type_table(void)
302 } 303 }
303 } 304 }
304 305
306 /*
307 * Mark the device areas according to the CPU/architecture.
308 */
309 if (cpu_is_xsc3() || (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP))) {
310 if (!cpu_is_xsc3()) {
311 /*
312 * Mark device regions on ARMv6+ as execute-never
313 * to prevent speculative instruction fetches.
314 */
315 mem_types[MT_DEVICE].prot_sect |= PMD_SECT_XN;
316 mem_types[MT_DEVICE_NONSHARED].prot_sect |= PMD_SECT_XN;
317 mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_XN;
318 mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_XN;
319 }
320 if (cpu_arch >= CPU_ARCH_ARMv7 && (cr & CR_TRE)) {
321 /*
322 * For ARMv7 with TEX remapping,
323 * - shared device is SXCB=1100
324 * - nonshared device is SXCB=0100
325 * - write combine device mem is SXCB=0001
326 * (Uncached Normal memory)
327 */
328 mem_types[MT_DEVICE].prot_sect |= PMD_SECT_TEX(1);
329 mem_types[MT_DEVICE_NONSHARED].prot_sect |= PMD_SECT_TEX(1);
330 mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_BUFFERABLE;
331 } else if (cpu_is_xsc3()) {
332 /*
333 * For Xscale3,
334 * - shared device is TEXCB=00101
335 * - nonshared device is TEXCB=01000
336 * - write combine device mem is TEXCB=00100
337 * (Inner/Outer Uncacheable in xsc3 parlance)
338 */
339 mem_types[MT_DEVICE].prot_sect |= PMD_SECT_TEX(1) | PMD_SECT_BUFFERED;
340 mem_types[MT_DEVICE_NONSHARED].prot_sect |= PMD_SECT_TEX(2);
341 mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_TEX(1);
342 } else {
343 /*
344 * For ARMv6 and ARMv7 without TEX remapping,
345 * - shared device is TEXCB=00001
346 * - nonshared device is TEXCB=01000
347 * - write combine device mem is TEXCB=00100
348 * (Uncached Normal in ARMv6 parlance).
349 */
350 mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED;
351 mem_types[MT_DEVICE_NONSHARED].prot_sect |= PMD_SECT_TEX(2);
352 mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_TEX(1);
353 }
354 } else {
355 /*
356 * On others, write combining is "Uncached/Buffered"
357 */
358 mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_BUFFERABLE;
359 }
360
361 /*
362 * Now deal with the memory-type mappings
363 */
305 cp = &cache_policies[cachepolicy]; 364 cp = &cache_policies[cachepolicy];
306 vecs_pgprot = kern_pgprot = user_pgprot = cp->pte; 365 vecs_pgprot = kern_pgprot = user_pgprot = cp->pte;
307 366
@@ -317,12 +376,8 @@ static void __init build_mem_type_table(void)
317 * Enable CPU-specific coherency if supported. 376 * Enable CPU-specific coherency if supported.
318 * (Only available on XSC3 at the moment.) 377 * (Only available on XSC3 at the moment.)
319 */ 378 */
320 if (arch_is_coherent()) { 379 if (arch_is_coherent() && cpu_is_xsc3())
321 if (cpu_is_xsc3()) { 380 mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
322 mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
323 mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED;
324 }
325 }
326 381
327 /* 382 /*
328 * ARMv6 and above have extended page tables. 383 * ARMv6 and above have extended page tables.
@@ -336,11 +391,6 @@ static void __init build_mem_type_table(void)
336 mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; 391 mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
337 mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; 392 mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE;
338 393
339 /*
340 * Mark the device area as "shared device"
341 */
342 mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED;
343
344#ifdef CONFIG_SMP 394#ifdef CONFIG_SMP
345 /* 395 /*
346 * Mark memory with the "shared" attribute for SMP systems 396 * Mark memory with the "shared" attribute for SMP systems
@@ -360,9 +410,6 @@ static void __init build_mem_type_table(void)
360 mem_types[MT_LOW_VECTORS].prot_pte |= vecs_pgprot; 410 mem_types[MT_LOW_VECTORS].prot_pte |= vecs_pgprot;
361 mem_types[MT_HIGH_VECTORS].prot_pte |= vecs_pgprot; 411 mem_types[MT_HIGH_VECTORS].prot_pte |= vecs_pgprot;
362 412
363 if (cpu_arch < CPU_ARCH_ARMv5)
364 mem_types[MT_MINICLEAN].prot_sect &= ~PMD_SECT_TEX(1);
365
366 pgprot_user = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | user_pgprot); 413 pgprot_user = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | user_pgprot);
367 pgprot_kernel = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | 414 pgprot_kernel = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG |
368 L_PTE_DIRTY | L_PTE_WRITE | 415 L_PTE_DIRTY | L_PTE_WRITE |
@@ -654,7 +701,7 @@ static inline void prepare_page_table(struct meminfo *mi)
654 /* 701 /*
655 * Clear out all the mappings below the kernel image. 702 * Clear out all the mappings below the kernel image.
656 */ 703 */
657 for (addr = 0; addr < MODULE_START; addr += PGDIR_SIZE) 704 for (addr = 0; addr < MODULES_VADDR; addr += PGDIR_SIZE)
658 pmd_clear(pmd_off_k(addr)); 705 pmd_clear(pmd_off_k(addr));
659 706
660#ifdef CONFIG_XIP_KERNEL 707#ifdef CONFIG_XIP_KERNEL
@@ -766,7 +813,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
766 */ 813 */
767#ifdef CONFIG_XIP_KERNEL 814#ifdef CONFIG_XIP_KERNEL
768 map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK); 815 map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK);
769 map.virtual = MODULE_START; 816 map.virtual = MODULES_VADDR;
770 map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK; 817 map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
771 map.type = MT_ROM; 818 map.type = MT_ROM;
772 create_mapping(&map); 819 create_mapping(&map);
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 07f82db70945..4d3c0a73e7fb 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -115,7 +115,7 @@ ENTRY(cpu_v7_set_pte_ext)
115 orr r3, r3, r2 115 orr r3, r3, r2
116 orr r3, r3, #PTE_EXT_AP0 | 2 116 orr r3, r3, #PTE_EXT_AP0 | 2
117 117
118 tst r2, #1 << 4 118 tst r1, #1 << 4
119 orrne r3, r3, #PTE_EXT_TEX(1) 119 orrne r3, r3, #PTE_EXT_TEX(1)
120 120
121 tst r1, #L_PTE_WRITE 121 tst r1, #L_PTE_WRITE
@@ -192,11 +192,11 @@ __v7_setup:
192 mov pc, lr @ return to head.S:__ret 192 mov pc, lr @ return to head.S:__ret
193ENDPROC(__v7_setup) 193ENDPROC(__v7_setup)
194 194
195 /* 195 /* AT
196 * V X F I D LR 196 * TFR EV X F I D LR
197 * .... ...E PUI. .T.T 4RVI ZFRS BLDP WCAM 197 * .EEE ..EE PUI. .T.T 4RVI ZFRS BLDP WCAM
198 * rrrr rrrx xxx0 0101 xxxx xxxx x111 xxxx < forced 198 * rxxx rrxx xxx0 0101 xxxx xxxx x111 xxxx < forced
199 * 0 110 0011 1.00 .111 1101 < we want 199 * 1 0 110 0011 1.00 .111 1101 < we want
200 */ 200 */
201 .type v7_crval, #object 201 .type v7_crval, #object
202v7_crval: 202v7_crval:
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 04dc8b65401b..8f6cf56c11c0 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -349,7 +349,7 @@ ENTRY(cpu_xsc3_switch_mm)
349cpu_xsc3_mt_table: 349cpu_xsc3_mt_table:
350 .long 0x00 @ L_PTE_MT_UNCACHED 350 .long 0x00 @ L_PTE_MT_UNCACHED
351 .long PTE_EXT_TEX(1) @ L_PTE_MT_BUFFERABLE 351 .long PTE_EXT_TEX(1) @ L_PTE_MT_BUFFERABLE
352 .long PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH 352 .long PTE_EXT_TEX(5) | PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH
353 .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK 353 .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK
354 .long PTE_EXT_TEX(1) | PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED 354 .long PTE_EXT_TEX(1) | PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED
355 .long 0x00 @ unused 355 .long 0x00 @ unused
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index 733e0acac916..de5c4747453f 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -188,7 +188,7 @@ static int mxc_gpio_get(struct gpio_chip *chip, unsigned offset)
188 struct mxc_gpio_port *port = 188 struct mxc_gpio_port *port =
189 container_of(chip, struct mxc_gpio_port, chip); 189 container_of(chip, struct mxc_gpio_port, chip);
190 190
191 return (__raw_readl(port->base + GPIO_DR) >> offset) & 1; 191 return (__raw_readl(port->base + GPIO_PSR) >> offset) & 1;
192} 192}
193 193
194static int mxc_gpio_direction_input(struct gpio_chip *chip, unsigned offset) 194static int mxc_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h
index 65b6810124c1..5d4cb1196441 100644
--- a/arch/arm/plat-mxc/include/mach/io.h
+++ b/arch/arm/plat-mxc/include/mach/io.h
@@ -14,6 +14,26 @@
14/* Allow IO space to be anywhere in the memory */ 14/* Allow IO space to be anywhere in the memory */
15#define IO_SPACE_LIMIT 0xffffffff 15#define IO_SPACE_LIMIT 0xffffffff
16 16
17#ifdef CONFIG_ARCH_MX3
18#define __arch_ioremap __mx3_ioremap
19#define __arch_iounmap __iounmap
20
21static inline void __iomem *
22__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
23{
24 if (mtype == MT_DEVICE) {
25 /* Access all peripherals below 0x80000000 as nonshared device
26 * but leave l2cc alone.
27 */
28 if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) ||
29 (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE)))
30 mtype = MT_DEVICE_NONSHARED;
31 }
32
33 return __arm_ioremap(phys_addr, size, mtype);
34}
35#endif
36
17/* io address mapping macro */ 37/* io address mapping macro */
18#define __io(a) ((void __iomem *)(a)) 38#define __io(a) ((void __iomem *)(a))
19 39
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index bf6a10c5fc4f..be6aab9c6834 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -428,23 +428,23 @@ static int clk_debugfs_register_one(struct clk *c)
428 if (c->id != 0) 428 if (c->id != 0)
429 sprintf(p, ":%d", c->id); 429 sprintf(p, ":%d", c->id);
430 d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root); 430 d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
431 if (IS_ERR(d)) 431 if (!d)
432 return PTR_ERR(d); 432 return -ENOMEM;
433 c->dent = d; 433 c->dent = d;
434 434
435 d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount); 435 d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount);
436 if (IS_ERR(d)) { 436 if (!d) {
437 err = PTR_ERR(d); 437 err = -ENOMEM;
438 goto err_out; 438 goto err_out;
439 } 439 }
440 d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); 440 d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
441 if (IS_ERR(d)) { 441 if (!d) {
442 err = PTR_ERR(d); 442 err = -ENOMEM;
443 goto err_out; 443 goto err_out;
444 } 444 }
445 d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); 445 d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags);
446 if (IS_ERR(d)) { 446 if (!d) {
447 err = PTR_ERR(d); 447 err = -ENOMEM;
448 goto err_out; 448 goto err_out;
449 } 449 }
450 return 0; 450 return 0;
@@ -483,8 +483,8 @@ static int __init clk_debugfs_init(void)
483 int err; 483 int err;
484 484
485 d = debugfs_create_dir("clock", NULL); 485 d = debugfs_create_dir("clock", NULL);
486 if (IS_ERR(d)) 486 if (!d)
487 return PTR_ERR(d); 487 return -ENOMEM;
488 clk_debugfs_root = d; 488 clk_debugfs_root = d;
489 489
490 list_for_each_entry(c, &clocks, node) { 490 list_for_each_entry(c, &clocks, node) {
diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S
index 030118ee204a..2276f89671d8 100644
--- a/arch/arm/plat-omap/include/mach/entry-macro.S
+++ b/arch/arm/plat-omap/include/mach/entry-macro.S
@@ -65,7 +65,8 @@
65#include <mach/omap34xx.h> 65#include <mach/omap34xx.h>
66#endif 66#endif
67 67
68#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt number */ 68#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt offset */
69#define ACTIVEIRQ_MASK 0x7f /* Active interrupt bits */
69 70
70 .macro disable_fiq 71 .macro disable_fiq
71 .endm 72 .endm
@@ -88,6 +89,7 @@
88 cmp \irqnr, #0x0 89 cmp \irqnr, #0x0
892222: 902222:
90 ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET] 91 ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET]
92 and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
91 93
92 .endm 94 .endm
93 95
diff --git a/arch/arm/plat-omap/include/mach/irqs.h b/arch/arm/plat-omap/include/mach/irqs.h
index a2929ac8c687..bed5274c910a 100644
--- a/arch/arm/plat-omap/include/mach/irqs.h
+++ b/arch/arm/plat-omap/include/mach/irqs.h
@@ -372,7 +372,7 @@
372 372
373/* External TWL4030 gpio interrupts are optional */ 373/* External TWL4030 gpio interrupts are optional */
374#define TWL4030_GPIO_IRQ_BASE TWL4030_PWR_IRQ_END 374#define TWL4030_GPIO_IRQ_BASE TWL4030_PWR_IRQ_END
375#ifdef CONFIG_TWL4030_GPIO 375#ifdef CONFIG_GPIO_TWL4030
376#define TWL4030_GPIO_NR_IRQS 18 376#define TWL4030_GPIO_NR_IRQS 18
377#else 377#else
378#define TWL4030_GPIO_NR_IRQS 0 378#define TWL4030_GPIO_NR_IRQS 0