On Sun, 23 Jun 2019 at 17:14, Phong Tran <tranmanphong@xxxxxxxxx> wrote: > > [arch/arm/mach-exynos/suspend.c:288]: (error) Shifting signed 32-bit > value by 31 bits is undefined behaviour > > Signed-off-by: Phong Tran <tranmanphong@xxxxxxxxx> > --- > arch/arm/mach-exynos/suspend.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Let's switch to BIT macro. It will solve the problem and is preferred way of coding. Best regards, Krzysztof