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authorEric Miao <eric.y.miao@gmail.com>2007-07-18 11:38:45 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-07-20 17:25:10 +0100
commit711be5ccfe9a02ba560aa918a008c31ea4760163 (patch)
treeb54cba04944a5ae0cb8a2d8ecd4d8efd14f2e495 /net
parente09d02e123fb6944af23a0697369ebcfc15acf73 (diff)
[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 <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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