spin_unlock_irqrestore(&rtc_lock, flags); 
static inline int mc146818_set_rtc_mmss(unsigned long nowtime){	int real_seconds, real_minutes, cmos_minutes;	unsigned char save_control, save_freq_select;	int retval = 0;	save_control = CMOS_READ(RTC_CONTROL); /* tell the clock it's being set */	CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);	save_freq_select = CMOS_READ(RTC_FREQ_SELECT); /* stop and reset prescaler */	CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);	cmos_minutes = CMOS_READ(RTC_MINUTES);	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)		BCD_TO_BIN(cmos_minutes);	/*	 * since we're only adjusting minutes and seconds,	 * don't interfere with hour overflow. This avoids	 * messing with unknown time zones but requires your	 * RTC not to be off by more than 15 minutes	 */	real_seconds = nowtime % 60;	real_minutes = nowtime / 60;	if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)		real_minutes += 30;		/* correct for half hour time zone */	real_minutes %= 60;	if (abs(real_minutes - cmos_minutes) < 30) {		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {			BIN_TO_BCD(real_seconds);			BIN_TO_BCD(real_minutes);		}		CMOS_WRITE(real_seconds,RTC_SECONDS);		CMOS_WRITE(real_minutes,RTC_MINUTES);	} else {		printk(KERN_WARNING		       "set_rtc_mmss: can't update from %d to %d\n",		       cmos_minutes, real_minutes);		retval = -1;	}	/* The following flags have to be released exactly in this order,	 * otherwise the DS12887 (popular MC146818A clone with integrated	 * battery and quartz) will not reset the oscillator and will not	 * update precisely 500 ms later. You won't find this mentioned in	 * the Dallas Semiconductor data sheets, but who believes data	 * sheets anyway ...                           -- Markus Kuhn	 */	CMOS_WRITE(save_control, RTC_CONTROL);	CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);	return retval;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/53c2df2f4ebbc1d8231ca7cc13ac5381230888b1/mc146818-time.h/clean/include/asm-mips/mc146818-time.h