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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-06 18:48:39 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-22 20:11:23 +0300 |
| commit | f6b0fa02e8b0708d17d631afce456524eadf87ff (patch) | |
| tree | 900fcd2149a03ba229bb29e982d3d6a5f3d3fcfc /arch/arm/include/asm | |
| parent | 753790e713d80b50b867fa1ed32ec0eb5e82ae8e (diff) | |
| download | linux-f6b0fa02e8b0708d17d631afce456524eadf87ff.tar.xz | |
ARM: pm: add generic CPU suspend/resume support
This adds core support for saving and restoring CPU coprocessor
registers for suspend/resume support. This contains support for suspend
with ARM920, ARM926, SA11x0, PXA25x, PXA27x, PXA3xx, V6 and V7 CPUs.
Tested on Assabet and Tegra 2.
Tested-by: Colin Cross <ccross@android.com>
Tested-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/glue-proc.h | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/proc-fns.h | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/glue-proc.h b/arch/arm/include/asm/glue-proc.h index e3bf443f2d18..6469521d092f 100644 --- a/arch/arm/include/asm/glue-proc.h +++ b/arch/arm/include/asm/glue-proc.h @@ -256,6 +256,9 @@ #define cpu_dcache_clean_area __glue(CPU_NAME,_dcache_clean_area) #define cpu_do_switch_mm __glue(CPU_NAME,_switch_mm) #define cpu_set_pte_ext __glue(CPU_NAME,_set_pte_ext) +#define cpu_suspend_size __glue(CPU_NAME,_suspend_size) +#define cpu_do_suspend __glue(CPU_NAME,_do_suspend) +#define cpu_do_resume __glue(CPU_NAME,_do_resume) #endif #endif diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index 69802150be22..8ec535e11fd7 100644 --- a/arch/arm/include/asm/proc-fns.h +++ b/arch/arm/include/asm/proc-fns.h @@ -66,6 +66,11 @@ extern struct processor { * ignore 'ext'. */ void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext); + + /* Suspend/resume */ + unsigned int suspend_size; + void (*do_suspend)(void *); + void (*do_resume)(void *); } processor; #ifndef MULTI_CPU @@ -86,6 +91,8 @@ extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); #define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm) #endif +extern void cpu_resume(void); + #include <asm/memory.h> #ifdef CONFIG_MMU |