From: Shawn Guo <shawn.guo@linaro.org> Date: Thu, 31 Jul 2014 01:07:00 +0000 (+0100) Subject: ARM: 8121/1: smp_scu: use macro for SCU enable bit X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8f3d4ed0d64c59296d79e9d219d8f388562de35;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 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); /*