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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-17 18:11:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-17 18:11:49 -0700
commit2a6a432a9ce55876b92f9ea860d7baa05538de16 (patch)
treef64431e3f5f105ee350831aef6810281d93e10b1 /drivers
parenta7c8962bfbc730a9acc0a635bad0f9628b6e816a (diff)
parent99c796df94afca5256860dd4760017f1dbb3480c (diff)
downloadop-kernel-dev-2a6a432a9ce55876b92f9ea860d7baa05538de16.zip
op-kernel-dev-2a6a432a9ce55876b92f9ea860d7baa05538de16.tar.gz
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: VIDEO: amba clcd: don't disable an already disabled clock ARM: Tighten check for allowable CPSR values ARM: 6329/1: wire up sys_accept4() on ARM ARM: 6328/1: Build with -fno-dwarf2-cfi-asm ARM: 6326/1: kgdb: fix GDB_MAX_REGS no longer used
Diffstat (limited to 'drivers')
-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 afe21e6..1c2c683 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..
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