linux-kernel - [PATCH V2 05/15] ARM: footbridge: cleanup cppcheck shifting error

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Message-Id: <20190624135105.15579-6-tranmanphong@gmail.com>
Date:   Mon, 24 Jun 2019 20:50:55 +0700
From:   Phong Tran <tranmanphong@...il.com>
To:     tranmanphong@...il.com
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Subject: [PATCH V2 05/15] ARM: footbridge: cleanup cppcheck shifting error

[arch/arm/mach-footbridge/dc21285.c:236]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour

Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
 arch/arm/mach-footbridge/dc21285.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index 8b81a17f675d..edea41e0256f 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -230,7 +230,7 @@ static irqreturn_t dc21285_parity_irq(int irq, void *dev_id)
 	printk("\n");
 
 	cmd = *CSR_PCICMD & 0xffff;
-	*CSR_PCICMD = cmd | 1 << 31;
+	*CSR_PCICMD = cmd | BIT(31);
 
 	/*
 	 * back off this interrupt
-- 
2.11.0