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rtc: stm32: manage the get_irq probe defer case
author
Fabien Dessenne
<fabien.dessenne@st.com>
Wed, 24 Apr 2019 12:26:48 +0000
(14:26 +0200)
committer
Alexandre Belloni
<alexandre.belloni@bootlin.com>
Mon, 29 Apr 2019 13:53:42 +0000
(15:53 +0200)
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>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/rtc/rtc-stm32.c
patch
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diff --git
a/drivers/rtc/rtc-stm32.c
b/drivers/rtc/rtc-stm32.c
index
c5908cf
..
8e6c9b3
100644
(file)
--- 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);