From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@freescale.com (Shawn Guo) Date: Mon, 21 Jul 2014 15:45:53 +0800 Subject: [PATCH 1/3] ARM: smp_scu: use macro for SCU enable bit In-Reply-To: <1405928755-19413-1-git-send-email-shawn.guo@freescale.com> References: <1405928755-19413-1-git-send-email-shawn.guo@freescale.com> Message-ID: <1405928755-19413-2-git-send-email-shawn.guo@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Use macro instead of magic number for SCU enable bit. Signed-off-by: Shawn Guo --- arch/arm/kernel/smp_scu.c | 5 +++-- 1 file 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 #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); /* -- 1.9.1