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Date: Tue, 25 Jun 2019 11:03:46 +0700 From: Phong Tran <tranmanphong@...il.com> To: tranmanphong@...il.com Cc: acme@...nel.org, alexander.shishkin@...ux.intel.com, alexander.sverdlin@...il.com, allison@...utok.net, andrew@...n.ch, ast@...nel.org, bgolaszewski@...libre.com, bpf@...r.kernel.org, daniel@...earbox.net, daniel@...que.org, dmg@...ingmachine.org, festevam@...il.com, gerg@...inux.org, gregkh@...uxfoundation.org, gregory.clement@...tlin.com, haojian.zhuang@...il.com, hsweeten@...ionengravers.com, illusionist.neo@...il.com, info@...ux.net, jason@...edaemon.net, jolsa@...hat.com, kafai@...com, kernel@...gutronix.de, kgene@...nel.org, krzk@...nel.org, kstewart@...uxfoundation.org, linux-arm-kernel@...ts.infradead.org, linux-imx@....com, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, linux-samsung-soc@...r.kernel.org, linux@...linux.org.uk, liviu.dudau@....com, lkundrak@...sk, lorenzo.pieralisi@....com, mark.rutland@....com, mingo@...hat.com, namhyung@...nel.org, netdev@...r.kernel.org, nsekhar@...com, peterz@...radead.org, robert.jarzmik@...e.fr, s.hauer@...gutronix.de, sebastian.hesselbarth@...il.com, shawnguo@...nel.org, songliubraving@...com, sudeep.holla@....com, swinslow@...il.com, tglx@...utronix.de, tony@...mide.com, will@...nel.org, yhs@...com Subject: [PATCH V3 05/15] ARM: footbridge: cleanup cppcheck shifting error There is error from cppcheck tool "Shifting signed 32-bit value by 31 bits is undefined behaviour errors" change to use BIT() marco for improvement. 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
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