request_threaed_irq fails if handler == NULL and ONESHOT not in flags.
---
drivers/input/misc/rotary_encoder.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 309612a6d9f5..5a4e1d69c4af 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -296,7 +296,8 @@ static int rotary_encoder_probe(struct platform_device *pdev)
}
err = devm_request_threaded_irq(dev, encoder->irq_a, NULL, handler,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT,
DRV_NAME, encoder);
if (err) {
dev_err(dev, "unable to request IRQ %d\n", encoder->irq_a);
@@ -304,7 +305,8 @@ static int rotary_encoder_probe(struct platform_device *pdev)
}
err = devm_request_threaded_irq(dev, encoder->irq_b, NULL, handler,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT,
DRV_NAME, encoder);
if (err) {
dev_err(dev, "unable to request IRQ %d\n", encoder->irq_b);
--
2.7.0
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