diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/smp_scu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 7f24ee9d7330..d3831f616ee9 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <linux/io.h> | 12 | #include <linux/io.h> |
13 | 13 | ||
14 | #include <asm/smp_scu.h> | 14 | #include <asm/smp_scu.h> |
15 | #include <asm/cacheflush.h> | ||
15 | 16 | ||
16 | #define SCU_CTRL 0x00 | 17 | #define SCU_CTRL 0x00 |
17 | #define SCU_CONFIG 0x04 | 18 | #define SCU_CONFIG 0x04 |
@@ -38,4 +39,10 @@ void __init scu_enable(void __iomem *scu_base) | |||
38 | scu_ctrl = __raw_readl(scu_base + SCU_CTRL); | 39 | scu_ctrl = __raw_readl(scu_base + SCU_CTRL); |
39 | scu_ctrl |= 1; | 40 | scu_ctrl |= 1; |
40 | __raw_writel(scu_ctrl, scu_base + SCU_CTRL); | 41 | __raw_writel(scu_ctrl, scu_base + SCU_CTRL); |
42 | |||
43 | /* | ||
44 | * Ensure that the data accessed by CPU0 before the SCU was | ||
45 | * initialised is visible to the other CPUs. | ||
46 | */ | ||
47 | flush_cache_all(); | ||
41 | } | 48 | } |