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authorOlof Johansson <olof@lixom.net>2011-12-19 21:12:24 -0800
committerOlof Johansson <olof@lixom.net>2011-12-19 21:13:41 -0800
commit844e8a16f25568eefd02a6bfb40bdd9bc04704b8 (patch)
treefdfe4de420c66517a2e4a2a25a454997c6210e95 /arch/arm/kernel/suspend.c
parent5ecdd39f6cdd57aa42e072bf30aa7239fd109d7a (diff)
parenta53bfa07369b7c3448a60d29f0fc2e81751ed0b7 (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.c18
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);