diff options
author | Olof Johansson <olof@lixom.net> | 2011-12-19 21:12:24 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2011-12-19 21:13:41 -0800 |
commit | 844e8a16f25568eefd02a6bfb40bdd9bc04704b8 (patch) | |
tree | fdfe4de420c66517a2e4a2a25a454997c6210e95 /arch/arm/kernel/suspend.c | |
parent | 5ecdd39f6cdd57aa42e072bf30aa7239fd109d7a (diff) | |
parent | a53bfa07369b7c3448a60d29f0fc2e81751ed0b7 (diff) |
Merge branch 'picoxcell/cleanup' into next/cleanup
* picoxcell/cleanup: (4 commits)
MAINTAINERS: add maintainer entry for Picochip picoxcell
ARM: picoxcell: move io mappings to common.c
ARM: picoxcell: don't reserve irq_descs
ARM: picoxcell: remove mach/memory.h
Conflicts:
arch/arm/mach-at91/setup.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); |