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>

diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c
index 1aafa0d785eb835dd50d6036a855fc2bbf8ea32e..c947508f84e682059ea475db11cbc9dffbc1111d 100644 (file)
--- 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);
 
        /*