diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 13:24:33 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 13:24:33 +0000 |
| commit | 2e0e943436912ffe0848ece58167edfe754edb96 (patch) | |
| tree | b91919095c74742fa06e2105db6d859bee39b2b4 /arch/arm/kernel/suspend.c | |
| parent | a32737e1ca650504f172292dd344eb64c02311f3 (diff) | |
| parent | ef3a0bf5bfadbace156fa2a3b9c753df2de41df2 (diff) | |
Merge branch 'devel-stable' into for-linus
Conflicts:
arch/arm/kernel/setup.c
arch/arm/mach-shmobile/board-kota2.c
Diffstat (limited to 'arch/arm/kernel/suspend.c')
| -rw-r--r-- | arch/arm/kernel/suspend.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c index 93a22d282c1..1794cc3b0f1 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); |