From: 黄涛 <huangtao@rock-chips.com>
Date: Tue, 21 Sep 2010 10:15:30 +0000 (+0800)
Subject: clock: clk_get_rate不加锁
X-Git-Tag: firefly_0821_release~11119
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4e9c720fec4a737d143fd24e278b4a94a45f16a5;p=firefly-linux-kernel-4.4.55.git

clock: clk_get_rate不加锁
---

diff --git a/arch/arm/mach-rk2818/clock.c b/arch/arm/mach-rk2818/clock.c
index d4e482a4d025..59233f1e81f3 100644
--- a/arch/arm/mach-rk2818/clock.c
+++ b/arch/arm/mach-rk2818/clock.c
@@ -1304,16 +1304,10 @@ EXPORT_SYMBOL(clk_disable);
 
 unsigned long clk_get_rate(struct clk *clk)
 {
-	unsigned long ret;
-
 	if (clk == NULL || IS_ERR(clk))
 		return 0;
 
-	LOCK();
-	ret = clk->rate;
-	UNLOCK();
-
-	return ret;
+	return clk->rate;
 }
 EXPORT_SYMBOL(clk_get_rate);