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-rw-r--r--kernel/power/suspend.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 5eb30aab9b99..bef86d121eb2 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -76,8 +76,20 @@ EXPORT_SYMBOL_GPL(suspend_set_ops);
bool valid_state(suspend_state_t state)
{
- if (state == PM_SUSPEND_FREEZE)
- return true;
+ if (state == PM_SUSPEND_FREEZE) {
+#ifdef CONFIG_PM_DEBUG
+ if (pm_test_level != TEST_NONE &&
+ pm_test_level != TEST_FREEZER &&
+ pm_test_level != TEST_DEVICES &&
+ pm_test_level != TEST_PLATFORM) {
+ printk(KERN_WARNING "Unsupported pm_test mode for "
+ "freeze state, please choose "
+ "none/freezer/devices/platform.\n");
+ return false;
+ }
+#endif
+ return true;
+ }
/*
* PM_SUSPEND_STANDBY and PM_SUSPEND_MEMORY states need lowlevel
* support and need to be valid to the lowlevel