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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2024-02-28 00:04:18 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2024-02-29 22:15:46 +0100
commit3f31f1729d56cb31c0d45f88e7ea0f6c749c0a92 (patch)
treeea1e476c3c9d8415ced5f1e8ee61dbc1caebe260 /drivers/rtc
parent4e7a9e2ea2f1fc145a56dff998bc8215525b0a1e (diff)
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: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-ds1511.c44
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index a646bcf9cd56..fe8dbad51c88 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -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;