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authorIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
commite1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch)
treebca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /arch/sh/kernel/cpu/clock.c
parent2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadop-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.zip
op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.tar.gz
Merge branch 'linus' into perfcounters/core
Conflicts: fs/exec.c include/linux/init_task.h Simple context conflicts.
Diffstat (limited to 'arch/sh/kernel/cpu/clock.c')
-rw-r--r--arch/sh/kernel/cpu/clock.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index b7e46d5..7b17137 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -117,6 +117,11 @@ int clk_enable(struct clk *clk)
unsigned long flags;
int ret;
+ if (!clk)
+ return -EINVAL;
+
+ clk_enable(clk->parent);
+
spin_lock_irqsave(&clock_lock, flags);
ret = __clk_enable(clk);
spin_unlock_irqrestore(&clock_lock, flags);
@@ -147,9 +152,14 @@ void clk_disable(struct clk *clk)
{
unsigned long flags;
+ if (!clk)
+ return;
+
spin_lock_irqsave(&clock_lock, flags);
__clk_disable(clk);
spin_unlock_irqrestore(&clock_lock, flags);
+
+ clk_disable(clk->parent);
}
EXPORT_SYMBOL_GPL(clk_disable);
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