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@xxxxxxxxx> --- arch/arm/mach-pxa/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 74efc3ab595f..cbbb5cfecb60 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -35,9 +35,9 @@ #define IPR(i) (((i) < 32) ? (0x01c + ((i) << 2)) : \ ((i) < 64) ? (0x0b0 + (((i) - 32) << 2)) : \ (0x144 + (((i) - 64) << 2))) -#define ICHP_VAL_IRQ (1 << 31) +#define ICHP_VAL_IRQ BIT(31) #define ICHP_IRQ(i) (((i) >> 16) & 0x7fff) -#define IPR_VALID (1 << 31) +#define IPR_VALID BIT(31) #define MAX_INTERNAL_IRQS 128 -- 2.11.0