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 @@ #include #include +#include #define SCU_CTRL 0x00 #define SCU_CONFIG 0x04 @@ -38,4 +39,10 @@ void __init scu_enable(void __iomem *scu_base) scu_ctrl = __raw_readl(scu_base + SCU_CTRL); scu_ctrl |= 1; __raw_writel(scu_ctrl, scu_base + SCU_CTRL); + + /* + * Ensure that the data accessed by CPU0 before the SCU was + * initialised is visible to the other CPUs. + */ + flush_cache_all(); }