From: 黄涛 <huangtao@rock-chips.com>
Date: Thu, 31 May 2012 01:28:26 +0000 (+0800)
Subject: rk: earlysuspend: only works on system is running
X-Git-Tag: firefly_0821_release~9142^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=193a36f0962127f3c6b732cfcd414a6a8fd83f3e;p=firefly-linux-kernel-4.4.55.git

rk: earlysuspend: only works on system is running
---

diff --git a/kernel/power/earlysuspend.c b/kernel/power/earlysuspend.c
index ba5e9763a8a3..11d476062245 100644
--- a/kernel/power/earlysuspend.c
+++ b/kernel/power/earlysuspend.c
@@ -77,6 +77,11 @@ static void early_suspend(struct work_struct *work)
 	unsigned long irqflags;
 	int abort = 0;
 
+#ifdef CONFIG_PLAT_RK
+	if (system_state != SYSTEM_RUNNING)
+		return;
+#endif
+
 	mutex_lock(&early_suspend_lock);
 	spin_lock_irqsave(&state_lock, irqflags);
 	if (state == SUSPEND_REQUESTED)
@@ -124,6 +129,11 @@ static void late_resume(struct work_struct *work)
 	unsigned long irqflags;
 	int abort = 0;
 
+#ifdef CONFIG_PLAT_RK
+	if (system_state != SYSTEM_RUNNING)
+		return;
+#endif
+
 	mutex_lock(&early_suspend_lock);
 	spin_lock_irqsave(&state_lock, irqflags);
 	if (state == SUSPENDED)
@@ -158,6 +168,11 @@ void request_suspend_state(suspend_state_t new_state)
 	unsigned long irqflags;
 	int old_sleep;
 
+#ifdef CONFIG_PLAT_RK
+	if (system_state != SYSTEM_RUNNING)
+		return;
+#endif
+
 	spin_lock_irqsave(&state_lock, irqflags);
 	old_sleep = state & SUSPEND_REQUESTED;
 	if (debug_mask & DEBUG_USER_STATE) {