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author | Takashi Iwai <tiwai@suse.de> | 2009-12-01 15:58:15 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-12-01 15:58:15 +0100 |
commit | b00615d163cd24fa98d155acfc1f9d81d6fe1103 (patch) | |
tree | dde815788aaea3e336aaaf24763311ce63a22e1b /arch/arm/kernel/smp_scu.c | |
parent | 75639e7ee1401b3876c7a00ffe96ea8027668690 (diff) | |
parent | d6797322231af98b9bb4afb175dd614cf511e5f7 (diff) | |
download | kernel_samsung_tuna-b00615d163cd24fa98d155acfc1f9d81d6fe1103.zip kernel_samsung_tuna-b00615d163cd24fa98d155acfc1f9d81d6fe1103.tar.gz kernel_samsung_tuna-b00615d163cd24fa98d155acfc1f9d81d6fe1103.tar.bz2 |
Merge branch 'topic/pcm-dma-fix' into topic/core-change
Diffstat (limited to 'arch/arm/kernel/smp_scu.c')
-rw-r--r-- | arch/arm/kernel/smp_scu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index d3831f6..9ab4149 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -37,6 +37,10 @@ void __init scu_enable(void __iomem *scu_base) u32 scu_ctrl; scu_ctrl = __raw_readl(scu_base + SCU_CTRL); + /* already enabled? */ + if (scu_ctrl & 1) + return; + scu_ctrl |= 1; __raw_writel(scu_ctrl, scu_base + SCU_CTRL); |