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| author | Eric W. Biederman <ebiederm@xmission.com> | 2009-11-17 10:01:34 +0100 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2009-11-17 10:01:34 +0100 |
| commit | bb9074ff58fe745e4f244f76209241909c82ec9c (patch) | |
| tree | cf6be00ab88b1e315f6b74a896a370440f677599 /arch/arm/kernel/smp_scu.c | |
| parent | sysctl: Remove the last of the generic binary sysctl support (diff) | |
| parent | Linux 2.6.32-rc7 (diff) | |
| download | linux-bb9074ff58fe745e4f244f76209241909c82ec9c.tar.xz linux-bb9074ff58fe745e4f244f76209241909c82ec9c.zip | |
Merge commit 'v2.6.32-rc7'
Resolve the conflict between v2.6.32-rc7 where dn_def_dev_handler
gets a small bug fix and the sysctl tree where I am removing all
sysctl strategy routines.
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 d3831f616ee9..9ab4149bd983 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); |