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SubjectRe: [PATCH] rtc: stm32: manage the get_irq probe defer case
Date
On 4/24/19 2:26 PM, Fabien Dessenne wrote:
> Manage the -EPROBE_DEFER error case for the wake IRQ.
>
> Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>

Acked-by: Amelie Delaunay <amelie.delaunay@st.com>

> ---
> drivers/rtc/rtc-stm32.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
> index c5908cf..8e6c9b3 100644
> --- a/drivers/rtc/rtc-stm32.c
> +++ b/drivers/rtc/rtc-stm32.c
> @@ -788,11 +788,14 @@ static int stm32_rtc_probe(struct platform_device *pdev)
> ret = device_init_wakeup(&pdev->dev, true);
> if (rtc->data->has_wakeirq) {
> rtc->wakeirq_alarm = platform_get_irq(pdev, 1);
> - if (rtc->wakeirq_alarm <= 0)
> - ret = rtc->wakeirq_alarm;
> - else
> + if (rtc->wakeirq_alarm > 0) {
> ret = dev_pm_set_dedicated_wake_irq(&pdev->dev,
> rtc->wakeirq_alarm);
> + } else {
> + ret = rtc->wakeirq_alarm;
> + if (rtc->wakeirq_alarm == -EPROBE_DEFER)
> + goto err;
> + }
> }
> if (ret)
> dev_warn(&pdev->dev, "alarm can't wake up the system: %d", ret);
>
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