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authorFabien Dessenne <fabien.dessenne@st.com>2019-04-24 14:26:48 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-29 15:53:42 +0200
commitcf612c5949aca2bd81a1e28688957c8149ea2693 (patch)
tree6c55ef9559a803ce9839f2bba59417be8bb98aed /drivers/rtc/rtc-stm32.c
parentf9bf089a70aab6baac745843b44c152084848f5e (diff)
downloadlinux-cf612c5949aca2bd81a1e28688957c8149ea2693.tar.bz2
rtc: stm32: manage the get_irq probe defer case
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>
Diffstat (limited to 'drivers/rtc/rtc-stm32.c')
-rw-r--r--drivers/rtc/rtc-stm32.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
index c5908cfea234..8e6c9b3bcc29 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);