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authorIngo Molnar <mingo@elte.hu>2010-08-25 13:09:58 +0200
committerIngo Molnar <mingo@elte.hu>2010-08-25 13:10:00 +0200
commit7de5d895b2020260190db0021de646f3f22f755e (patch)
tree51d012f0b76a2ec1bd3b4837690faf1087f37056 /drivers/video/amba-clcd.c
parent04fba67163a9e6132614b72b33bb2743bd33ffb3 (diff)
parent502adf5778f4151dcba3f64dd6ed322151f3712c (diff)
Merge branch 'linus' into perf/core
Merge reason: pick up perf fixes Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/video/amba-clcd.c')
-rw-r--r--drivers/video/amba-clcd.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index afe21e6eb544..1c2c68356ea7 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -80,7 +80,10 @@ static void clcdfb_disable(struct clcd_fb *fb)
/*
* Disable CLCD clock source.
*/
- clk_disable(fb->clk);
+ if (fb->clk_enabled) {
+ fb->clk_enabled = false;
+ clk_disable(fb->clk);
+ }
}
static void clcdfb_enable(struct clcd_fb *fb, u32 cntl)
@@ -88,7 +91,10 @@ static void clcdfb_enable(struct clcd_fb *fb, u32 cntl)
/*
* Enable the CLCD clock source.
*/
- clk_enable(fb->clk);
+ if (!fb->clk_enabled) {
+ fb->clk_enabled = true;
+ clk_enable(fb->clk);
+ }
/*
* Bring up by first enabling..