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authorIngo Molnar <mingo@elte.hu>2009-05-11 14:44:27 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-11 14:44:31 +0200
commit41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch)
tree51c50bcb67a5039448ddfa1869d7948cab1217e9 /arch/arm/mach-omap1/clock.c
parentx86 gart: reimplement IOMMU_LEAK feature by using DMA_API_DEBUG (diff)
parentLinux 2.6.30-rc5 (diff)
downloadlinux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.tar.xz
linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.zip
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base, update it to .30-rc5 to refresh. 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;
}