From 711be5ccfe9a02ba560aa918a008c31ea4760163 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 18 Jul 2007 11:38:45 +0100 Subject: [ARM] 4488/1: pxa: move pxa25x/pxa27x specific code out of pm.c 1. introduce a structure pxa_cpu_pm_fns for pxa25x/pxa27x specific operations as follows: struct pxa_cpu_pm_fns { int save_size; void (*save)(unsigned long *); void (*restore)(unsigned long *); int (*valid)(suspend_state_t state); void (*enter)(suspend_state_t state); } 2. processor specific registers saving and restoring are performed by calling the corresponding (*save) and (*restore) 3. pxa_cpu_pm_fns->save_size should be initialized to the required size for processor specific registers saving, the allocated memory address will be passed to (*save) and (*restore) memory allocation happens early in pxa_pm_init(), and save_size should be assigned prior to this (which is usually true, since pxa_pm_init() happens in device_initcall() 4. there're some redundancies for those SLEEP_SAVE_XXX and related macros, will be fixed later, one way possible is for the system devices to handle the specific registers saving and restoring Signed-off-by: eric miao Signed-off-by: Russell King --- include/asm-arm/arch-pxa/pm.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'include/asm-arm/arch-pxa') diff --git a/include/asm-arm/arch-pxa/pm.h b/include/asm-arm/arch-pxa/pm.h index 52243a62c4e7..62b69004819d 100644 --- a/include/asm-arm/arch-pxa/pm.h +++ b/include/asm-arm/arch-pxa/pm.h @@ -7,5 +7,14 @@ * */ -extern int pxa_pm_prepare(suspend_state_t state); +struct pxa_cpu_pm_fns { + int save_size; + void (*save)(unsigned long *); + void (*restore)(unsigned long *); + int (*valid)(suspend_state_t state); + void (*enter)(suspend_state_t state); +}; + +extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns; + extern int pxa_pm_enter(suspend_state_t state); -- cgit v1.2.2