Commit 3f31f172 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: ds1511: drop dead code 

The watchdog part of the code is not reachable and should be reimplemented
properly as a watchdog driver.

Link: https://lore.kernel.org/r/20240227230431.1837717-3-alexandre.belloni@bootlin.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 4e7a9e2e

drivers/rtc/rtc-ds1511.c

+0 −44
Original line number Diff line number Diff line
@@ -122,50 +122,6 @@ rtc_enable_update(void) 
	rtc_write((rtc_read(RTC_CMD) | RTC_TE), RTC_CMD);

}



/*

 * #define DS1511_WDOG_RESET_SUPPORT

 *

 * Uncomment this if you want to use these routines in

 * some platform code.

 */

#ifdef DS1511_WDOG_RESET_SUPPORT

/*

 * just enough code to set the watchdog timer so that it

 * will reboot the system

 */

void

ds1511_wdog_set(unsigned long deciseconds)

{

	/*

	 * the wdog timer can take 99.99 seconds

	 */

	deciseconds %= 10000;

	/*

	 * set the wdog values in the wdog registers

	 */

	rtc_write(bin2bcd(deciseconds % 100), DS1511_WD_MSEC);

	rtc_write(bin2bcd(deciseconds / 100), DS1511_WD_SEC);

	/*

	 * set wdog enable and wdog 'steering' bit to issue a reset

	 */

	rtc_write(rtc_read(RTC_CMD) | DS1511_WDE | DS1511_WDS, RTC_CMD);

}



void

ds1511_wdog_disable(void)

{

	/*

	 * clear wdog enable and wdog 'steering' bits

	 */

	rtc_write(rtc_read(RTC_CMD) & ~(DS1511_WDE | DS1511_WDS), RTC_CMD);

	/*

	 * clear the wdog counter

	 */

	rtc_write(0, DS1511_WD_MSEC);

	rtc_write(0, DS1511_WD_SEC);

}

#endif



static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)

{

	u8 mon, day, dow, hrs, min, sec, yrs, cen;