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authorIngo Molnar <mingo@elte.hu>2008-05-29 16:05:05 +0200
committerIngo Molnar <mingo@elte.hu>2008-05-29 16:05:05 +0200
commit6715930654e06c4d2e66e718ea159079f71838f4 (patch)
tree6a0a19fb62f3e99cb5f6bf6c34ae541f7c30fb42 /arch/arm/plat-omap/clock.c
parentea3f01f8afd3bc5daff915cc4ea5cc5ea9e7d427 (diff)
parente490517a039a99d692cb3a5561941b0a5f576172 (diff)
Merge commit 'linus/master' into sched-fixes-for-linus
Diffstat (limited to 'arch/arm/plat-omap/clock.c')
-rw-r--r--arch/arm/plat-omap/clock.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 72d34a23a2e..2db5580048d 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
+#include <linux/cpufreq.h>
#include <asm/io.h>
@@ -134,9 +135,17 @@ void clk_disable(struct clk *clk)
return;
spin_lock_irqsave(&clockfw_lock, flags);
- BUG_ON(clk->usecount == 0);
+ if (clk->usecount == 0) {
+ printk(KERN_ERR "Trying disable clock %s with 0 usecount\n",
+ clk->name);
+ WARN_ON(1);
+ goto out;
+ }
+
if (arch_clock->clk_disable)
arch_clock->clk_disable(clk);
+
+out:
spin_unlock_irqrestore(&clockfw_lock, flags);
}
EXPORT_SYMBOL(clk_disable);