linux-imx
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committed 15d82d22498x
writeb(tmp, rtc->regbase + RCR2); spin_unlock_irq(&rtc->lock); return 0;}static inline int sh_rtc_read_alarm_value(struct sh_rtc *rtc, int reg_off){ unsigned int byte; int value = 0xff; /* return 0xff for ignored values */ int value = -1; /* return -1 for ignored values */ byte = readb(rtc->regbase + reg_off); if (byte & AR_ENB) { byte &= ~AR_ENB; /* strip the enable bit */ value = bcd2bin(byte); } return value;}