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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-08-26 20:28:52 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-09-20 23:33:36 +0100
commite8ce0eb5e2254b85415e4b58e73f24a5d13846a1 (patch)
tree26aaee04d5a4bb872eea215f65073825258ecd76 /arch/arm/include/asm/suspend.h
parentf5fa68d9674156ddaafa12a058ccc93c8866d5f9 (diff)
downloadop-kernel-dev-e8ce0eb5e2254b85415e4b58e73f24a5d13846a1.zip
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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/asm/suspend.h')
-rw-r--r--arch/arm/include/asm/suspend.h17
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
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