summaryrefslogtreecommitdiff
path: root/kernel/power/main.c
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-11-05 15:39:24 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-05 15:39:24 -0500
commit7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (patch)
tree541909f86c31fee97cd70d28ec2fe5c23e1ceb02 /kernel/power/main.c
parentf1e691a24955ea987f021f378324fb5003b1b208 (diff)
parent70d9d825e0a5a78ec1dacaaaf5c72ff5b0206fab (diff)
Merge branch 'master'
Diffstat (limited to 'kernel/power/main.c')
-rw-r--r--kernel/power/main.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 22bdc93cc038..18d7d693fbba 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -167,6 +167,8 @@ static int enter_state(suspend_state_t state)
{
int error;
+ if (pm_ops->valid && !pm_ops->valid(state))
+ return -ENODEV;
if (down_trylock(&pm_sem))
return -EBUSY;
@@ -236,7 +238,8 @@ static ssize_t state_show(struct subsystem * subsys, char * buf)
char * s = buf;
for (i = 0; i < PM_SUSPEND_MAX; i++) {
- if (pm_states[i])
+ if (pm_states[i] && pm_ops && (!pm_ops->valid
+ ||(pm_ops->valid && pm_ops->valid(i))))
s += sprintf(s,"%s ",pm_states[i]);
}
s += sprintf(s,"\n");