RTC_DST_EN         29 include/asm-generic/rtc.h #define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
RTC_DST_EN         29 include/asm-m68k/rtc.h #define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
RTC_DST_EN         33 include/asm-parisc/rtc.h #define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
RTC_DST_EN         94 include/linux/mc146818rtc.h # define RTC_DST_EN 0x01	/* auto switch DST - works f. USA only */