On Sun, 2019-06-23 at 22:13 +0700, Phong Tran wrote: > [arch/arm/mach-mmp/pm-mmp2.c:121]: (error) Shifting signed 32-bit value > by 31 bits is undefined behaviour > [arch/arm/mach-mmp/pm-mmp2.c:136]: (error) Shifting signed 32-bit value > by 31 bits is undefined behaviour > [arch/arm/mach-mmp/pm-mmp2.c:244]: (error) Shifting signed 32-bit value > by 31 bits is undefined behaviour > [arch/arm/mach-mmp/pm-pxa910.c:141]: (error) Shifting signed 32-bit > value by 31 bits is undefined behaviour > [arch/arm/mach-mmp/pm-pxa910.c:159]: (error) Shifting signed 32-bit > value by 31 bits is undefined behaviour > > Signed-off-by: Phong Tran <tranmanphong@xxxxxxxxx> Like others already pointed out, you may want to send out a v2 that would use the BIT() macro. Either way works for me: Acked-by: Lubomir Rintel <lkundrak@xxxxx> [mmp] Thank you Lubo > --- > arch/arm/mach-mmp/pm-mmp2.h | 40 +++++++++++------------ > arch/arm/mach-mmp/pm-pxa910.h | 76 +++++++++++++++++++++---------------------- > 2 files changed, 58 insertions(+), 58 deletions(-) > > diff --git a/arch/arm/mach-mmp/pm-mmp2.h b/arch/arm/mach-mmp/pm-mmp2.h > index 70299a9450d3..87fd1c81547d 100644 > --- a/arch/arm/mach-mmp/pm-mmp2.h > +++ b/arch/arm/mach-mmp/pm-mmp2.h > @@ -12,37 +12,37 @@ > #include "addr-map.h" > > #define APMU_PJ_IDLE_CFG APMU_REG(0x018) > -#define APMU_PJ_IDLE_CFG_PJ_IDLE (1 << 1) > -#define APMU_PJ_IDLE_CFG_PJ_PWRDWN (1 << 5) > +#define APMU_PJ_IDLE_CFG_PJ_IDLE (1U << 1) > +#define APMU_PJ_IDLE_CFG_PJ_PWRDWN (1U << 5) > #define APMU_PJ_IDLE_CFG_PWR_SW(x) ((x) << 16) > -#define APMU_PJ_IDLE_CFG_L2_PWR_SW (1 << 19) > +#define APMU_PJ_IDLE_CFG_L2_PWR_SW (1U << 19) > #define APMU_PJ_IDLE_CFG_ISO_MODE_CNTRL_MASK (3 << 28) > > #define APMU_SRAM_PWR_DWN APMU_REG(0x08c) > > #define MPMU_SCCR MPMU_REG(0x038) > #define MPMU_PCR_PJ MPMU_REG(0x1000) > -#define MPMU_PCR_PJ_AXISD (1 << 31) > -#define MPMU_PCR_PJ_SLPEN (1 << 29) > -#define MPMU_PCR_PJ_SPSD (1 << 28) > -#define MPMU_PCR_PJ_DDRCORSD (1 << 27) > -#define MPMU_PCR_PJ_APBSD (1 << 26) > -#define MPMU_PCR_PJ_INTCLR (1 << 24) > -#define MPMU_PCR_PJ_SLPWP0 (1 << 23) > -#define MPMU_PCR_PJ_SLPWP1 (1 << 22) > -#define MPMU_PCR_PJ_SLPWP2 (1 << 21) > -#define MPMU_PCR_PJ_SLPWP3 (1 << 20) > -#define MPMU_PCR_PJ_VCTCXOSD (1 << 19) > -#define MPMU_PCR_PJ_SLPWP4 (1 << 18) > -#define MPMU_PCR_PJ_SLPWP5 (1 << 17) > -#define MPMU_PCR_PJ_SLPWP6 (1 << 16) > -#define MPMU_PCR_PJ_SLPWP7 (1 << 15) > +#define MPMU_PCR_PJ_AXISD (1U << 31) > +#define MPMU_PCR_PJ_SLPEN (1U << 29) > +#define MPMU_PCR_PJ_SPSD (1U << 28) > +#define MPMU_PCR_PJ_DDRCORSD (1U << 27) > +#define MPMU_PCR_PJ_APBSD (1U << 26) > +#define MPMU_PCR_PJ_INTCLR (1U << 24) > +#define MPMU_PCR_PJ_SLPWP0 (1U << 23) > +#define MPMU_PCR_PJ_SLPWP1 (1U << 22) > +#define MPMU_PCR_PJ_SLPWP2 (1U << 21) > +#define MPMU_PCR_PJ_SLPWP3 (1U << 20) > +#define MPMU_PCR_PJ_VCTCXOSD (1U << 19) > +#define MPMU_PCR_PJ_SLPWP4 (1U << 18) > +#define MPMU_PCR_PJ_SLPWP5 (1U << 17) > +#define MPMU_PCR_PJ_SLPWP6 (1U << 16) > +#define MPMU_PCR_PJ_SLPWP7 (1U << 15) > > #define MPMU_PLL2_CTRL1 MPMU_REG(0x0414) > #define MPMU_CGR_PJ MPMU_REG(0x1024) > #define MPMU_WUCRM_PJ MPMU_REG(0x104c) > -#define MPMU_WUCRM_PJ_WAKEUP(x) (1 << (x)) > -#define MPMU_WUCRM_PJ_RTC_ALARM (1 << 17) > +#define MPMU_WUCRM_PJ_WAKEUP(x) (1U << (x)) > +#define MPMU_WUCRM_PJ_RTC_ALARM (1U << 17) > > enum { > POWER_MODE_ACTIVE = 0, > diff --git a/arch/arm/mach-mmp/pm-pxa910.h b/arch/arm/mach-mmp/pm-pxa910.h > index 8e6344adaf51..0958cde1ca6e 100644 > --- a/arch/arm/mach-mmp/pm-pxa910.h > +++ b/arch/arm/mach-mmp/pm-pxa910.h > @@ -10,54 +10,54 @@ > #define __PXA910_PM_H__ > > #define APMU_MOH_IDLE_CFG APMU_REG(0x0018) > -#define APMU_MOH_IDLE_CFG_MOH_IDLE (1 << 1) > -#define APMU_MOH_IDLE_CFG_MOH_PWRDWN (1 << 5) > -#define APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN (1 << 6) > +#define APMU_MOH_IDLE_CFG_MOH_IDLE (1U << 1) > +#define APMU_MOH_IDLE_CFG_MOH_PWRDWN (1U << 5) > +#define APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN (1U << 6) > #define APMU_MOH_IDLE_CFG_MOH_PWR_SW(x) (((x) & 0x3) << 16) > #define APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(x) (((x) & 0x3) << 18) > -#define APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ (1 << 21) > -#define APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN (1 << 20) > +#define APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ (1U << 21) > +#define APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN (1U << 20) > > #define APMU_SQU_CLK_GATE_CTRL APMU_REG(0x001c) > #define APMU_MC_HW_SLP_TYPE APMU_REG(0x00b0) > > #define MPMU_FCCR MPMU_REG(0x0008) > #define MPMU_APCR MPMU_REG(0x1000) > -#define MPMU_APCR_AXISD (1 << 31) > -#define MPMU_APCR_DSPSD (1 << 30) > -#define MPMU_APCR_SLPEN (1 << 29) > -#define MPMU_APCR_DTCMSD (1 << 28) > -#define MPMU_APCR_DDRCORSD (1 << 27) > -#define MPMU_APCR_APBSD (1 << 26) > -#define MPMU_APCR_BBSD (1 << 25) > -#define MPMU_APCR_SLPWP0 (1 << 23) > -#define MPMU_APCR_SLPWP1 (1 << 22) > -#define MPMU_APCR_SLPWP2 (1 << 21) > -#define MPMU_APCR_SLPWP3 (1 << 20) > -#define MPMU_APCR_VCTCXOSD (1 << 19) > -#define MPMU_APCR_SLPWP4 (1 << 18) > -#define MPMU_APCR_SLPWP5 (1 << 17) > -#define MPMU_APCR_SLPWP6 (1 << 16) > -#define MPMU_APCR_SLPWP7 (1 << 15) > -#define MPMU_APCR_MSASLPEN (1 << 14) > -#define MPMU_APCR_STBYEN (1 << 13) > +#define MPMU_APCR_AXISD (1U << 31) > +#define MPMU_APCR_DSPSD (1U << 30) > +#define MPMU_APCR_SLPEN (1U << 29) > +#define MPMU_APCR_DTCMSD (1U << 28) > +#define MPMU_APCR_DDRCORSD (1U << 27) > +#define MPMU_APCR_APBSD (1U << 26) > +#define MPMU_APCR_BBSD (1U << 25) > +#define MPMU_APCR_SLPWP0 (1U << 23) > +#define MPMU_APCR_SLPWP1 (1U << 22) > +#define MPMU_APCR_SLPWP2 (1U << 21) > +#define MPMU_APCR_SLPWP3 (1U << 20) > +#define MPMU_APCR_VCTCXOSD (1U << 19) > +#define MPMU_APCR_SLPWP4 (1U << 18) > +#define MPMU_APCR_SLPWP5 (1U << 17) > +#define MPMU_APCR_SLPWP6 (1U << 16) > +#define MPMU_APCR_SLPWP7 (1U << 15) > +#define MPMU_APCR_MSASLPEN (1U << 14) > +#define MPMU_APCR_STBYEN (1U << 13) > > #define MPMU_AWUCRM MPMU_REG(0x104c) > -#define MPMU_AWUCRM_AP_ASYNC_INT (1 << 25) > -#define MPMU_AWUCRM_AP_FULL_IDLE (1 << 24) > -#define MPMU_AWUCRM_SDH1 (1 << 23) > -#define MPMU_AWUCRM_SDH2 (1 << 22) > -#define MPMU_AWUCRM_KEYPRESS (1 << 21) > -#define MPMU_AWUCRM_TRACKBALL (1 << 20) > -#define MPMU_AWUCRM_NEWROTARY (1 << 19) > -#define MPMU_AWUCRM_RTC_ALARM (1 << 17) > -#define MPMU_AWUCRM_AP2_TIMER_3 (1 << 13) > -#define MPMU_AWUCRM_AP2_TIMER_2 (1 << 12) > -#define MPMU_AWUCRM_AP2_TIMER_1 (1 << 11) > -#define MPMU_AWUCRM_AP1_TIMER_3 (1 << 10) > -#define MPMU_AWUCRM_AP1_TIMER_2 (1 << 9) > -#define MPMU_AWUCRM_AP1_TIMER_1 (1 << 8) > -#define MPMU_AWUCRM_WAKEUP(x) (1 << ((x) & 0x7)) > +#define MPMU_AWUCRM_AP_ASYNC_INT (1U << 25) > +#define MPMU_AWUCRM_AP_FULL_IDLE (1U << 24) > +#define MPMU_AWUCRM_SDH1 (1U << 23) > +#define MPMU_AWUCRM_SDH2 (1U << 22) > +#define MPMU_AWUCRM_KEYPRESS (1U << 21) > +#define MPMU_AWUCRM_TRACKBALL (1U << 20) > +#define MPMU_AWUCRM_NEWROTARY (1U << 19) > +#define MPMU_AWUCRM_RTC_ALARM (1U << 17) > +#define MPMU_AWUCRM_AP2_TIMER_3 (1U << 13) > +#define MPMU_AWUCRM_AP2_TIMER_2 (1U << 12) > +#define MPMU_AWUCRM_AP2_TIMER_1 (1U << 11) > +#define MPMU_AWUCRM_AP1_TIMER_3 (1U << 10) > +#define MPMU_AWUCRM_AP1_TIMER_2 (1U << 9) > +#define MPMU_AWUCRM_AP1_TIMER_1 (1U << 8) > +#define MPMU_AWUCRM_WAKEUP(x) (1U << ((x) & 0x7)) > > enum { > POWER_MODE_ACTIVE = 0,