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authorIngo Molnar <mingo@elte.hu>2009-04-29 14:46:59 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-29 14:47:05 +0200
commite7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a (patch)
tree4ba588631dd8189a818a91c9e3976526071178b6 /arch/arm/mach-omap1/clock.c
parent1130b0296184bc21806225fd06d533515a99d2db (diff)
parent56a50adda49b2020156616c4eb15353e0f9ad7de (diff)
downloadblackbird-op-linux-e7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a.tar.gz
blackbird-op-linux-e7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a.zip
Merge branch 'linus' into perfcounters/core
Merge reason: This brach was on -rc1, refresh it to almost-rc4 to pick up the latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap1/clock.c')
-rw-r--r--arch/arm/mach-omap1/clock.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index dafe4f71d15f..336e51dc6127 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -590,27 +590,28 @@ static void omap1_init_ext_clk(struct clk * clk)
static int omap1_clk_enable(struct clk *clk)
{
int ret = 0;
+
if (clk->usecount++ == 0) {
- if (likely(clk->parent)) {
+ if (clk->parent) {
ret = omap1_clk_enable(clk->parent);
-
- if (unlikely(ret != 0)) {
- clk->usecount--;
- return ret;
- }
+ if (ret)
+ goto err;
if (clk->flags & CLOCK_NO_IDLE_PARENT)
omap1_clk_deny_idle(clk->parent);
}
ret = clk->ops->enable(clk);
-
- if (unlikely(ret != 0) && clk->parent) {
- omap1_clk_disable(clk->parent);
- clk->usecount--;
+ if (ret) {
+ if (clk->parent)
+ omap1_clk_disable(clk->parent);
+ goto err;
}
}
+ return ret;
+err:
+ clk->usecount--;
return ret;
}
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