As pointed out by Sergei Shtylyov, the pcf8563_irq function
contains a bug in the error handling: an interrupt handler
is not supposed to return an errno value but an 'enum
irqreturn'.
Let's fix this by returning IRQ_NONE in case of a communication error.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 3a6f994c4da8..c2ef0a22ee94 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -168,7 +168,7 @@ static irqreturn_t pcf8563_irq(int irq, void *dev_id)
err = pcf8563_get_alarm_mode(pcf8563->client, NULL, &pending);
if (err)
- return err;
+ return IRQ_NONE;
if (pending) {
rtc_update_irq(pcf8563->rtc, 1, RTC_IRQF | RTC_AF);
--
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