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sh: SH-Mobile R-standby register save/restore

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Add code to save/restore registers during
R-standby sleep on SH-Mobile processors.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm
2010-02-25 11:03:24 +00:00
committed by Paul Mundt
parent da64c2a8de
commit 41bfb7d7a6
3 changed files with 122 additions and 3 deletions
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3
arch/sh/kernel/cpu/shmobile/pm.c
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@ -33,7 +33,8 @@ ATOMIC_NOTIFIER_HEAD(sh_mobile_post_sleep_notifier_list);
#define SUSP_MODE_SLEEP (SUSP_SH_SLEEP)
#define SUSP_MODE_SLEEP_SF (SUSP_SH_SLEEP | SUSP_SH_SF)
#define SUSP_MODE_STANDBY_SF (SUSP_SH_STANDBY | SUSP_SH_SF)
#define SUSP_MODE_RSTANDBY (SUSP_SH_RSTANDBY | SUSP_SH_MMU | SUSP_SH_SF)
#define SUSP_MODE_RSTANDBY_SF \
(SUSP_SH_RSTANDBY | SUSP_SH_MMU | SUSP_SH_REGS | SUSP_SH_SF)
/*
* U-standby mode is unsupported since it needs bootloader hacks
*/