From: 黄涛 <huangtao@rock-chips.com>
Date: Tue, 25 Jan 2011 09:56:22 +0000 (+0800)
Subject: earlysuspend: more verbose
X-Git-Tag: firefly_0821_release~10785^2~12^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1b2f0e0b51472a3049f3949ef3358a0f47d2f3ac;p=firefly-linux-kernel-4.4.55.git

earlysuspend: more verbose
---

diff --git a/kernel/power/earlysuspend.c b/kernel/power/earlysuspend.c
index 84bed51dcdce..d76c496d773d 100644
--- a/kernel/power/earlysuspend.c
+++ b/kernel/power/earlysuspend.c
@@ -20,6 +20,7 @@
 #include <linux/syscalls.h> /* sys_sync */
 #include <linux/wakelock.h>
 #include <linux/workqueue.h>
+#include <linux/kallsyms.h>
 
 #include "power.h"
 
@@ -27,7 +28,11 @@ enum {
 	DEBUG_USER_STATE = 1U << 0,
 	DEBUG_SUSPEND = 1U << 2,
 };
+#ifdef DEBUG
+static int debug_mask = DEBUG_USER_STATE | DEBUG_SUSPEND;
+#else
 static int debug_mask = DEBUG_USER_STATE;
+#endif
 module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP);
 
 static DEFINE_MUTEX(early_suspend_lock);
@@ -94,6 +99,8 @@ static void early_suspend(struct work_struct *work)
 	if (debug_mask & DEBUG_SUSPEND)
 		pr_info("early_suspend: call handlers\n");
 	list_for_each_entry(pos, &early_suspend_handlers, link) {
+		if (debug_mask & DEBUG_SUSPEND)
+			print_symbol("early_suspend: call %s\n", (unsigned long)pos->suspend);
 		if (pos->suspend != NULL)
 			pos->suspend(pos);
 	}
@@ -131,9 +138,12 @@ static void late_resume(struct work_struct *work)
 	}
 	if (debug_mask & DEBUG_SUSPEND)
 		pr_info("late_resume: call handlers\n");
-	list_for_each_entry_reverse(pos, &early_suspend_handlers, link)
+	list_for_each_entry_reverse(pos, &early_suspend_handlers, link) {
+		if (debug_mask & DEBUG_SUSPEND)
+			print_symbol("late_resume: call %s\n", (unsigned long)pos->resume);
 		if (pos->resume != NULL)
 			pos->resume(pos);
+	}
 	if (debug_mask & DEBUG_SUSPEND)
 		pr_info("late_resume: done\n");
 abort: