On 30/03/2020 20:26:16+0800, Biwen Li wrote: > From: Biwen Li <biwen.li@xxxxxxx> > > Add shutdown interface > > Signed-off-by: Biwen Li <biwen.li@xxxxxxx> > --- > drivers/rtc/rtc-fsl-ftm-alarm.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c > index d7fa6c16f47b..118a775e8316 100644 > --- a/drivers/rtc/rtc-fsl-ftm-alarm.c > +++ b/drivers/rtc/rtc-fsl-ftm-alarm.c > @@ -307,6 +307,15 @@ static int ftm_rtc_probe(struct platform_device *pdev) > return 0; > } > > +static void ftm_rtc_shutdown(struct platform_device *pdev) > +{ > + struct ftm_rtc *rtc = platform_get_drvdata(pdev); > + > + ftm_irq_acknowledge(rtc); > + ftm_irq_disable(rtc); > + ftm_clean_alarm(rtc); If the alarm is able to start the platform, then you probably don't want to disable the alarm on shutdown. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com