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authorAnton Arapov <anton@redhat.com>2012-06-08 12:58:00 +0200
committerAnton Arapov <anton@redhat.com>2012-06-08 12:58:00 +0200
commit6792a3f47a2e42d7164292bf7f1a55cfc4c91652 (patch)
treeb90c002bfbbeaec92f5d8a2383dcabf6524016f7 /arch/arm/plat-samsung/clock.c
parentfe2895d3d55146cac65b273c0f83e2c7e543cd0e (diff)
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fedora kernel: b920e9b748c595f970bf80ede7832d39f8d567dav3.4.1-2
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/plat-samsung/clock.c')
-rw-r--r--arch/arm/plat-samsung/clock.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 10f71179071..65c5eca475e 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -84,31 +84,35 @@ static int clk_null_enable(struct clk *clk, int enable)
int clk_enable(struct clk *clk)
{
+ unsigned long flags;
+
if (IS_ERR(clk) || clk == NULL)
return -EINVAL;
clk_enable(clk->parent);
- spin_lock(&clocks_lock);
+ spin_lock_irqsave(&clocks_lock, flags);
if ((clk->usage++) == 0)
(clk->enable)(clk, 1);
- spin_unlock(&clocks_lock);
+ spin_unlock_irqrestore(&clocks_lock, flags);
return 0;
}
void clk_disable(struct clk *clk)
{
+ unsigned long flags;
+
if (IS_ERR(clk) || clk == NULL)
return;
- spin_lock(&clocks_lock);
+ spin_lock_irqsave(&clocks_lock, flags);
if ((--clk->usage) == 0)
(clk->enable)(clk, 0);
- spin_unlock(&clocks_lock);
+ spin_unlock_irqrestore(&clocks_lock, flags);
clk_disable(clk->parent);
}