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-rw-r--r--arch/arm/common/sa1111.c2
-rw-r--r--arch/arm/include/asm/bitops.h16
-rw-r--r--arch/arm/include/asm/processor.h2
-rw-r--r--arch/arm/kernel/armksyms.c4
-rw-r--r--arch/arm/kernel/traps.c1
-rw-r--r--arch/arm/mach-omap1/io.c2
-rw-r--r--arch/arm/mach-pxa/include/mach/reset.h5
-rw-r--r--arch/arm/mm/alignment.c26
-rw-r--r--arch/arm/mm/fault.c1
-rw-r--r--arch/arm/plat-omap/include/mach/omapfb.h4
-rw-r--r--arch/arm/plat-omap/sram.c8
-rw-r--r--arch/arm/plat-orion/pcie.c2
12 files changed, 49 insertions, 24 deletions
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 47ccec95f3e8..ef12794c3c68 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -630,7 +630,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
630 return -ENOMEM; 630 return -ENOMEM;
631 631
632 sachip->clk = clk_get(me, "SA1111_CLK"); 632 sachip->clk = clk_get(me, "SA1111_CLK");
633 if (!sachip->clk) { 633 if (IS_ERR(sachip->clk)) {
634 ret = PTR_ERR(sachip->clk); 634 ret = PTR_ERR(sachip->clk);
635 goto err_free; 635 goto err_free;
636 } 636 }
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 9a1db20e032a..63a481fbbed4 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -237,6 +237,7 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
237#if __LINUX_ARM_ARCH__ < 5 237#if __LINUX_ARM_ARCH__ < 5
238 238
239#include <asm-generic/bitops/ffz.h> 239#include <asm-generic/bitops/ffz.h>
240#include <asm-generic/bitops/__fls.h>
240#include <asm-generic/bitops/__ffs.h> 241#include <asm-generic/bitops/__ffs.h>
241#include <asm-generic/bitops/fls.h> 242#include <asm-generic/bitops/fls.h>
242#include <asm-generic/bitops/ffs.h> 243#include <asm-generic/bitops/ffs.h>
@@ -277,16 +278,19 @@ static inline int constant_fls(int x)
277 * the clz instruction for much better code efficiency. 278 * the clz instruction for much better code efficiency.
278 */ 279 */
279 280
280#define __fls(x) \
281 ( __builtin_constant_p(x) ? constant_fls(x) : \
282 ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
283
284/* Implement fls() in C so that 64-bit args are suitably truncated */
285static inline int fls(int x) 281static inline int fls(int x)
286{ 282{
287 return __fls(x); 283 int ret;
284
285 if (__builtin_constant_p(x))
286 return constant_fls(x);
287
288 asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc");
289 ret = 32 - ret;
290 return ret;
288} 291}
289 292
293#define __fls(x) (fls(x) - 1)
290#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); }) 294#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
291#define __ffs(x) (ffs(x) - 1) 295#define __ffs(x) (ffs(x) - 1)
292#define ffz(x) __ffs( ~(x) ) 296#define ffz(x) __ffs( ~(x) )
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 517a4d6ffc74..6ff33790f47b 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -23,7 +23,7 @@
23#include <asm/types.h> 23#include <asm/types.h>
24 24
25#ifdef __KERNEL__ 25#ifdef __KERNEL__
26#define STACK_TOP ((current->personality == PER_LINUX_32BIT) ? \ 26#define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \
27 TASK_SIZE : TASK_SIZE_26) 27 TASK_SIZE : TASK_SIZE_26)
28#define STACK_TOP_MAX TASK_SIZE 28#define STACK_TOP_MAX TASK_SIZE
29#endif 29#endif
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index c74f766ffc12..23af3c972c9a 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -115,6 +115,8 @@ EXPORT_SYMBOL(__strnlen_user);
115EXPORT_SYMBOL(__strncpy_from_user); 115EXPORT_SYMBOL(__strncpy_from_user);
116 116
117#ifdef CONFIG_MMU 117#ifdef CONFIG_MMU
118EXPORT_SYMBOL(copy_page);
119
118EXPORT_SYMBOL(__copy_from_user); 120EXPORT_SYMBOL(__copy_from_user);
119EXPORT_SYMBOL(__copy_to_user); 121EXPORT_SYMBOL(__copy_to_user);
120EXPORT_SYMBOL(__clear_user); 122EXPORT_SYMBOL(__clear_user);
@@ -181,8 +183,6 @@ EXPORT_SYMBOL(_find_first_bit_be);
181EXPORT_SYMBOL(_find_next_bit_be); 183EXPORT_SYMBOL(_find_next_bit_be);
182#endif 184#endif
183 185
184EXPORT_SYMBOL(copy_page);
185
186#ifdef CONFIG_FUNCTION_TRACER 186#ifdef CONFIG_FUNCTION_TRACER
187EXPORT_SYMBOL(mcount); 187EXPORT_SYMBOL(mcount);
188#endif 188#endif
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 57e6874d0b80..79abc4ddc0cf 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -18,6 +18,7 @@
18#include <linux/personality.h> 18#include <linux/personality.h>
19#include <linux/kallsyms.h> 19#include <linux/kallsyms.h>
20#include <linux/delay.h> 20#include <linux/delay.h>
21#include <linux/hardirq.h>
21#include <linux/init.h> 22#include <linux/init.h>
22#include <linux/uaccess.h> 23#include <linux/uaccess.h>
23 24
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index b3bd8ca85118..4c3e582f3d3c 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -128,7 +128,7 @@ void __init omap1_map_common_io(void)
128 * Common low-level hardware init for omap1. This should only get called from 128 * Common low-level hardware init for omap1. This should only get called from
129 * board specific init. 129 * board specific init.
130 */ 130 */
131void __init omap1_init_common_hw() 131void __init omap1_init_common_hw(void)
132{ 132{
133 /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort 133 /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
134 * on a Posted Write in the TIPB Bridge". 134 * on a Posted Write in the TIPB Bridge".
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index 7b8842cfa5fc..31e6a7b6ad80 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -12,9 +12,8 @@ extern void clear_reset_status(unsigned int mask);
12 12
13/** 13/**
14 * init_gpio_reset() - register GPIO as reset generator 14 * init_gpio_reset() - register GPIO as reset generator
15 * 15 * @gpio: gpio nr
16 * @gpio - gpio nr 16 * @output: set gpio as out/low instead of input during normal work
17 * @output - set gpio as out/low instead of input during normal work
18 */ 17 */
19extern int init_gpio_reset(int gpio, int output); 18extern int init_gpio_reset(int gpio, int output);
20 19
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 133e65d166b3..2d5884ce0435 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -70,6 +70,10 @@ static unsigned long ai_dword;
70static unsigned long ai_multi; 70static unsigned long ai_multi;
71static int ai_usermode; 71static int ai_usermode;
72 72
73#define UM_WARN (1 << 0)
74#define UM_FIXUP (1 << 1)
75#define UM_SIGNAL (1 << 2)
76
73#ifdef CONFIG_PROC_FS 77#ifdef CONFIG_PROC_FS
74static const char *usermode_action[] = { 78static const char *usermode_action[] = {
75 "ignored", 79 "ignored",
@@ -754,7 +758,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
754 user: 758 user:
755 ai_user += 1; 759 ai_user += 1;
756 760
757 if (ai_usermode & 1) 761 if (ai_usermode & UM_WARN)
758 printk("Alignment trap: %s (%d) PC=0x%08lx Instr=0x%0*lx " 762 printk("Alignment trap: %s (%d) PC=0x%08lx Instr=0x%0*lx "
759 "Address=0x%08lx FSR 0x%03x\n", current->comm, 763 "Address=0x%08lx FSR 0x%03x\n", current->comm,
760 task_pid_nr(current), instrptr, 764 task_pid_nr(current), instrptr,
@@ -762,10 +766,10 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
762 thumb_mode(regs) ? tinstr : instr, 766 thumb_mode(regs) ? tinstr : instr,
763 addr, fsr); 767 addr, fsr);
764 768
765 if (ai_usermode & 2) 769 if (ai_usermode & UM_FIXUP)
766 goto fixup; 770 goto fixup;
767 771
768 if (ai_usermode & 4) 772 if (ai_usermode & UM_SIGNAL)
769 force_sig(SIGBUS, current); 773 force_sig(SIGBUS, current);
770 else 774 else
771 set_cr(cr_no_alignment); 775 set_cr(cr_no_alignment);
@@ -796,6 +800,22 @@ static int __init alignment_init(void)
796 res->write_proc = proc_alignment_write; 800 res->write_proc = proc_alignment_write;
797#endif 801#endif
798 802
803 /*
804 * ARMv6 and later CPUs can perform unaligned accesses for
805 * most single load and store instructions up to word size.
806 * LDM, STM, LDRD and STRD still need to be handled.
807 *
808 * Ignoring the alignment fault is not an option on these
809 * CPUs since we spin re-faulting the instruction without
810 * making any progress.
811 */
812 if (cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U)) {
813 cr_alignment &= ~CR_A;
814 cr_no_alignment &= ~CR_A;
815 set_cr(cr_alignment);
816 ai_usermode = UM_FIXUP;
817 }
818
799 hook_fault_code(1, do_alignment, SIGILL, "alignment exception"); 819 hook_fault_code(1, do_alignment, SIGILL, "alignment exception");
800 hook_fault_code(3, do_alignment, SIGILL, "alignment exception"); 820 hook_fault_code(3, do_alignment, SIGILL, "alignment exception");
801 821
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 2df8d9facf57..22c9530e91e2 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -11,6 +11,7 @@
11#include <linux/module.h> 11#include <linux/module.h>
12#include <linux/signal.h> 12#include <linux/signal.h>
13#include <linux/mm.h> 13#include <linux/mm.h>
14#include <linux/hardirq.h>
14#include <linux/init.h> 15#include <linux/init.h>
15#include <linux/kprobes.h> 16#include <linux/kprobes.h>
16#include <linux/uaccess.h> 17#include <linux/uaccess.h>
diff --git a/arch/arm/plat-omap/include/mach/omapfb.h b/arch/arm/plat-omap/include/mach/omapfb.h
index ec67fb428607..7b74d1255e0b 100644
--- a/arch/arm/plat-omap/include/mach/omapfb.h
+++ b/arch/arm/plat-omap/include/mach/omapfb.h
@@ -353,8 +353,8 @@ struct omapfb_device {
353 u32 pseudo_palette[17]; 353 u32 pseudo_palette[17];
354 354
355 struct lcd_panel *panel; /* LCD panel */ 355 struct lcd_panel *panel; /* LCD panel */
356 struct lcd_ctrl *ctrl; /* LCD controller */ 356 const struct lcd_ctrl *ctrl; /* LCD controller */
357 struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */ 357 const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */
358 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external 358 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external
359 interface */ 359 interface */
360 struct device *dev; 360 struct device *dev;
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 9f9a921829c0..dcd9d16da2e9 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -255,7 +255,7 @@ void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
255 if (!_omap_sram_reprogram_clock) 255 if (!_omap_sram_reprogram_clock)
256 omap_sram_error(); 256 omap_sram_error();
257 257
258 return _omap_sram_reprogram_clock(dpllctl, ckctl); 258 _omap_sram_reprogram_clock(dpllctl, ckctl);
259} 259}
260 260
261int __init omap1_sram_init(void) 261int __init omap1_sram_init(void)
@@ -282,8 +282,8 @@ void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
282 if (!_omap2_sram_ddr_init) 282 if (!_omap2_sram_ddr_init)
283 omap_sram_error(); 283 omap_sram_error();
284 284
285 return _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl, 285 _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
286 base_cs, force_unlock); 286 base_cs, force_unlock);
287} 287}
288 288
289static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val, 289static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
@@ -294,7 +294,7 @@ void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
294 if (!_omap2_sram_reprogram_sdrc) 294 if (!_omap2_sram_reprogram_sdrc)
295 omap_sram_error(); 295 omap_sram_error();
296 296
297 return _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type); 297 _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
298} 298}
299 299
300static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass); 300static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index 883902fead89..d41d41d78ad9 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -35,7 +35,7 @@
35#define PCIE_CONF_REG(r) ((((r) & 0xf00) << 16) | ((r) & 0xfc)) 35#define PCIE_CONF_REG(r) ((((r) & 0xf00) << 16) | ((r) & 0xfc))
36#define PCIE_CONF_BUS(b) (((b) & 0xff) << 16) 36#define PCIE_CONF_BUS(b) (((b) & 0xff) << 16)
37#define PCIE_CONF_DEV(d) (((d) & 0x1f) << 11) 37#define PCIE_CONF_DEV(d) (((d) & 0x1f) << 11)
38#define PCIE_CONF_FUNC(f) (((f) & 0x3) << 8) 38#define PCIE_CONF_FUNC(f) (((f) & 0x7) << 8)
39#define PCIE_CONF_DATA_OFF 0x18fc 39#define PCIE_CONF_DATA_OFF 0x18fc
40#define PCIE_MASK_OFF 0x1910 40#define PCIE_MASK_OFF 0x1910
41#define PCIE_CTRL_OFF 0x1a00 41#define PCIE_CTRL_OFF 0x1a00