tree dac51cecdd94e0c7273c990259ddd800057311b9
parent 0245b3e787dc3267a915e1f56419e7e9c197e148
author Shaohua Li <shaohua.li@intel.com> 1130713201 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1130722635 -0800

[PATCH] introduce .valid callback for pm_ops

Add pm_ops.valid callback, so only the available pm states show in
/sys/power/state.  And this also makes an earlier states error report at
enter_state before we do actual suspend/resume.

Signed-off-by: Shaohua Li<shaohua.li@intel.com>
Acked-by: Pavel Machek<pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>