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SubjectRe: rtc: fsl-ftm-alarm: add shutdown interface
On 30/03/2020 20:26:16+0800, Biwen Li wrote:
> From: Biwen Li <biwen.li@nxp.com>
>
> Add shutdown interface
>
> Signed-off-by: Biwen Li <biwen.li@nxp.com>
> ---
> 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

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