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-rw-r--r--kernel/power/disk.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index e518379b667..06331374d86 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -350,7 +350,34 @@ static const char * const pm_disk_modes[] = {
static ssize_t disk_show(struct kset *kset, char *buf)
{
- return sprintf(buf, "%s\n", pm_disk_modes[pm_disk_mode]);
+ int i;
+ char *start = buf;
+
+ for (i = PM_DISK_PLATFORM; i < PM_DISK_MAX; i++) {
+ if (!pm_disk_modes[i])
+ continue;
+ switch (i) {
+ case PM_DISK_SHUTDOWN:
+ case PM_DISK_REBOOT:
+ case PM_DISK_TEST:
+ case PM_DISK_TESTPROC:
+ break;
+ default:
+ if (pm_ops && pm_ops->enter &&
+ (i == pm_ops->pm_disk_mode))
+ break;
+ /* not a valid mode, continue with loop */
+ continue;
+ }
+ if (i == pm_disk_mode)
+ buf += sprintf(buf, "[%s]", pm_disk_modes[i]);
+ else
+ buf += sprintf(buf, "%s", pm_disk_modes[i]);
+ if (i+1 != PM_DISK_MAX)
+ buf += sprintf(buf, " ");
+ }
+ buf += sprintf(buf, "\n");
+ return buf-start;
}