diff options
| author | David S. Miller <davem@davemloft.net> | 2011-10-07 13:38:43 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-07 13:38:43 -0400 |
| commit | 88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9 (patch) | |
| tree | 08c4399e0341f7eb0ccb24e15f2cab687275c2a4 /arch/arm/kernel/smp_scu.c | |
| parent | 8083f0fc969d9b5353061a7a6f963405057e26b1 (diff) | |
| parent | 3ee72ca99288f1de95ec9c570e43f531c8799f06 (diff) | |
| download | linux-stable-88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9.tar.gz linux-stable-88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9.tar.bz2 linux-stable-88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9.zip | |
Merge branch 'master' of github.com:davem330/net
Conflicts:
net/batman-adv/soft-interface.c
Diffstat (limited to 'arch/arm/kernel/smp_scu.c')
| -rw-r--r-- | arch/arm/kernel/smp_scu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 79ed5e7f204a..7fcddb75c877 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -13,6 +13,7 @@ #include <asm/smp_scu.h> #include <asm/cacheflush.h> +#include <asm/cputype.h> #define SCU_CTRL 0x00 #define SCU_CONFIG 0x04 @@ -37,6 +38,15 @@ void __init scu_enable(void __iomem *scu_base) { u32 scu_ctrl; +#ifdef CONFIG_ARM_ERRATA_764369 + /* Cortex-A9 only */ + if ((read_cpuid(CPUID_ID) & 0xff0ffff0) == 0x410fc090) { + scu_ctrl = __raw_readl(scu_base + 0x30); + if (!(scu_ctrl & 1)) + __raw_writel(scu_ctrl | 0x1, scu_base + 0x30); + } +#endif + scu_ctrl = __raw_readl(scu_base + SCU_CTRL); /* already enabled? */ if (scu_ctrl & 1) |