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authorArnd Bergmann <arnd@arndb.de>2012-01-09 16:16:29 +0000
committerArnd Bergmann <arnd@arndb.de>2012-01-09 16:16:29 +0000
commitdcf7ec5ee62a78123057a1e286c88ca739717409 (patch)
treefa3f19434638a942ba66d236dde4d9aaadf8b370 /arch/arm/kernel/suspend.c
parent15db3e823c3246e3bd31fe454f5c8927eb85caf2 (diff)
parent142f2101a86ade2d6c9dfbedf82e1b5b31c8fce6 (diff)
Merge branch 'samsung/driver' into next/drivers
Conflicts: arch/arm/mach-mxs/include/mach/common.h Pull in previous samsung conflict merges and do a trivial merge of an mxs double-add conflict. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/kernel/suspend.c')
-rw-r--r--arch/arm/kernel/suspend.c18
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c
index 93a22d282c16..1794cc3b0f18 100644
--- a/arch/arm/kernel/suspend.c
+++ b/arch/arm/kernel/suspend.c
@@ -1,13 +1,12 @@
#include <linux/init.h>
+#include <asm/idmap.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/memory.h>
#include <asm/suspend.h>
#include <asm/tlbflush.h>
-static pgd_t *suspend_pgd;
-
extern int __cpu_suspend(unsigned long, int (*)(unsigned long));
extern void cpu_resume_mmu(void);
@@ -21,7 +20,7 @@ void __cpu_suspend_save(u32 *ptr, u32 ptrsz, u32 sp, u32 *save_ptr)
*save_ptr = virt_to_phys(ptr);
/* This must correspond to the LDM in cpu_resume() assembly */
- *ptr++ = virt_to_phys(suspend_pgd);
+ *ptr++ = virt_to_phys(idmap_pgd);
*ptr++ = sp;
*ptr++ = virt_to_phys(cpu_do_resume);
@@ -42,7 +41,7 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
struct mm_struct *mm = current->active_mm;
int ret;
- if (!suspend_pgd)
+ if (!idmap_pgd)
return -EINVAL;
/*
@@ -59,14 +58,3 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
return ret;
}
-
-static int __init cpu_suspend_init(void)
-{
- suspend_pgd = pgd_alloc(&init_mm);
- if (suspend_pgd) {
- unsigned long addr = virt_to_phys(cpu_resume_mmu);
- identity_mapping_add(suspend_pgd, addr, addr + SECTION_SIZE);
- }
- return suspend_pgd ? 0 : -ENOMEM;
-}
-core_initcall(cpu_suspend_init);