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authorIngo Molnar <mingo@elte.hu>2008-06-12 11:27:22 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-12 11:27:22 +0200
commitbb6dfb32f90094fea647e1f27d994a8b6ddd2766 (patch)
treee63681727543bcc3251bbc82b81a9cc822cc3f5e /arch/arm/plat-omap/clock.c
parent4f384f8bcdb5d618a0a68fb84c809e602c798b8f (diff)
parent5e70b7f3c24468bb1635b295945edb48ecd9656a (diff)
Merge branch 'linus' into x86/gart
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 72d34a23a2ec..2db5580048d8 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);