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authorJohannes Berg <johannes@sipsolutions.net>2007-04-30 15:09:54 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 16:40:40 -0700
commite8c9c502690efd24b7055bf608e7a3c34216848b (patch)
tree1583f34ec9cac07ddfdcb24de66e49718b107436 /arch/arm/plat-s3c24xx/pm.c
parent11d77d0c01b80e44c7aceb21928508dafce774f9 (diff)
downloadlinux-2.6.34-ux500-e8c9c502690efd24b7055bf608e7a3c34216848b.tar.gz
power management: implement pm_ops.valid for everybody
Almost all users of pm_ops only support mem sleep, don't check in .valid and don't reject any others in .prepare so users can be confused if they check /sys/power/state, especially when new states are added (these would then result in s-t-r although they're supposed to be something different). This patch implements a generic pm_valid_only_mem function that is then exported for users and puts it to use in almost all existing pm_ops. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: David Brownell <david-b@pacbell.net> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: linux-pm@lists.linux-foundation.org Cc: Len Brown <lenb@kernel.org> Acked-by: Russell King <rmk@arm.linux.org.uk> Cc: Greg KH <greg@kroah.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm/plat-s3c24xx/pm.c')
-rw-r--r--arch/arm/plat-s3c24xx/pm.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/arm/plat-s3c24xx/pm.c b/arch/arm/plat-s3c24xx/pm.c
index d6af3082af3..c6b03f8ab26 100644
--- a/arch/arm/plat-s3c24xx/pm.c
+++ b/arch/arm/plat-s3c24xx/pm.c
@@ -612,26 +612,9 @@ static int s3c2410_pm_enter(suspend_state_t state)
return 0;
}
-/*
- * Called after processes are frozen, but before we shut down devices.
- */
-static int s3c2410_pm_prepare(suspend_state_t state)
-{
- return 0;
-}
-
-/*
- * Called after devices are re-setup, but before processes are thawed.
- */
-static int s3c2410_pm_finish(suspend_state_t state)
-{
- return 0;
-}
-
static struct pm_ops s3c2410_pm_ops = {
- .prepare = s3c2410_pm_prepare,
.enter = s3c2410_pm_enter,
- .finish = s3c2410_pm_finish,
+ .valid = pm_valid_only_mem,
};
/* s3c2410_pm_init