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-rw-r--r--kernel/power/main.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index f172f41858bb..868028280d13 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -289,22 +289,26 @@ static int suspend_enter(suspend_state_t state)
{
int error;
- device_pm_lock();
+ if (suspend_ops->prepare) {
+ error = suspend_ops->prepare();
+ if (error)
+ return error;
+ }
error = device_power_down(PMSG_SUSPEND);
if (error) {
printk(KERN_ERR "PM: Some devices failed to power down\n");
- goto Done;
+ goto Platfrom_finish;
}
- if (suspend_ops->prepare) {
- error = suspend_ops->prepare();
+ if (suspend_ops->prepare_late) {
+ error = suspend_ops->prepare_late();
if (error)
goto Power_up_devices;
}
if (suspend_test(TEST_PLATFORM))
- goto Platfrom_finish;
+ goto Platform_wake;
error = disable_nonboot_cpus();
if (error || suspend_test(TEST_CPUS))
@@ -326,15 +330,16 @@ static int suspend_enter(suspend_state_t state)
Enable_cpus:
enable_nonboot_cpus();
- Platfrom_finish:
- if (suspend_ops->finish)
- suspend_ops->finish();
+ Platform_wake:
+ if (suspend_ops->wake)
+ suspend_ops->wake();
Power_up_devices:
device_power_up(PMSG_RESUME);
- Done:
- device_pm_unlock();
+ Platfrom_finish:
+ if (suspend_ops->finish)
+ suspend_ops->finish();
return error;
}