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| author | Shawn Guo <shawn.guo@linaro.org> | 2014-07-31 03:07:00 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-08-02 09:51:52 +0200 |
| commit | f8f3d4ed0d64c59296d79e9d219d8f388562de35 (patch) | |
| tree | df3833bf9bbec226922b5e45d80d6c55dbdb7b67 /arch | |
| parent | ARM: 8120/1: crypto: sha512: add ARM NEON implementation (diff) | |
| download | linux-f8f3d4ed0d64c59296d79e9d219d8f388562de35.tar.xz linux-f8f3d4ed0d64c59296d79e9d219d8f388562de35.zip | |
ARM: 8121/1: smp_scu: use macro for SCU enable bit
Use macro instead of magic number for SCU enable bit.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/smp_scu.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 1aafa0d785eb..c947508f84e6 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -17,6 +17,7 @@ #include <asm/cputype.h> #define SCU_CTRL 0x00 +#define SCU_ENABLE (1 << 0) #define SCU_CONFIG 0x04 #define SCU_CPU_STATUS 0x08 #define SCU_INVALIDATE 0x0c @@ -50,10 +51,10 @@ void scu_enable(void __iomem *scu_base) scu_ctrl = readl_relaxed(scu_base + SCU_CTRL); /* already enabled? */ - if (scu_ctrl & 1) + if (scu_ctrl & SCU_ENABLE) return; - scu_ctrl |= 1; + scu_ctrl |= SCU_ENABLE; writel_relaxed(scu_ctrl, scu_base + SCU_CTRL); /* |