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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-08-26 20:28:52 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-09-20 23:33:36 +0100 |
| commit | e8ce0eb5e2254b85415e4b58e73f24a5d13846a1 (patch) | |
| tree | 26aaee04d5a4bb872eea215f65073825258ecd76 /arch/arm/include | |
| parent | f5fa68d9674156ddaafa12a058ccc93c8866d5f9 (diff) | |
| download | op-kernel-dev-e8ce0eb5e2254b85415e4b58e73f24a5d13846a1.zip op-kernel-dev-e8ce0eb5e2254b85415e4b58e73f24a5d13846a1.tar.gz | |
ARM: pm: preallocate a page table for suspend/resume
Preallocate a page table and setup an identity mapping for the MMU
enable code. This means we don't have to "borrow" a page table to
do this, avoiding complexities with L2 cache coherency.
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/suspend.h | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/arm/include/asm/suspend.h b/arch/arm/include/asm/suspend.h index b0e4e1a..1c0a551 100644 --- a/arch/arm/include/asm/suspend.h +++ b/arch/arm/include/asm/suspend.h @@ -1,22 +1,7 @@ #ifndef __ASM_ARM_SUSPEND_H #define __ASM_ARM_SUSPEND_H -#include <asm/memory.h> -#include <asm/tlbflush.h> - extern void cpu_resume(void); - -/* - * Hide the first two arguments to __cpu_suspend - these are an implementation - * detail which platform code shouldn't have to know about. - */ -static inline int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) -{ - extern int __cpu_suspend(int, long, unsigned long, - int (*)(unsigned long)); - int ret = __cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, arg, fn); - flush_tlb_all(); - return ret; -} +extern int cpu_suspend(unsigned long, int (*)(unsigned long)); #endif |
