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authorShawn Guo <shawn.guo@linaro.org>2014-07-31 03:07:00 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-08-02 09:51:52 +0200
commitf8f3d4ed0d64c59296d79e9d219d8f388562de35 (patch)
treedf3833bf9bbec226922b5e45d80d6c55dbdb7b67 /arch/arm/kernel/smp_scu.c
parentARM: 8120/1: crypto: sha512: add ARM NEON implementation (diff)
downloadlinux-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/arm/kernel/smp_scu.c')
-rw-r--r--arch/arm/kernel/smp_scu.c5
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);
/*