EFI_ISDST          44 drivers/char/efirtc.c #define EFI_ISDST (EFI_TIME_ADJUST_DAYLIGHT|EFI_TIME_IN_DAYLIGHT)
EFI_ISDST          21 drivers/rtc/rtc-efi.c #define EFI_ISDST (EFI_TIME_ADJUST_DAYLIGHT|EFI_TIME_IN_DAYLIGHT)