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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>
This commit is contained in:
Shawn Guo 2014-07-31 02:07:00 +01:00 committed by Russell King
parent c8611d712a
commit f8f3d4ed0d
1 changed files with 3 additions and 2 deletions
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5
arch/arm/kernel/smp_scu.c
View File

@ -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);
/*