On 23/08/2019 20:45:53+0800, YueHaibing wrote: > If WATCHDOG_CORE is not set, build fails: > > drivers/rtc/rtc-pcf2127.o: In function `pcf2127_probe.isra.6': > drivers/rtc/rtc-pcf2127.c:478: undefined reference to `devm_watchdog_register_device' > > Add WATCHDOG_CORE Kconfig dependency to fix this. > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Fixes: bbc597561ce1 ("rtc: pcf2127: add watchdog feature support") > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> > --- > drivers/rtc/Kconfig | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig > index 25af63d..9dce7dc 100644 > --- a/drivers/rtc/Kconfig > +++ b/drivers/rtc/Kconfig > @@ -886,6 +886,8 @@ config RTC_DRV_DS3232_HWMON > config RTC_DRV_PCF2127 > tristate "NXP PCF2127" > depends on RTC_I2C_AND_SPI > + depends on WATCHDOG Definitively not, I fixed it that way: + select WATCHDOG_CORE if WATCHDOG -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com