From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit 6c0d48cb29c29b306ba3548afb45154d22eb4d78 ]
Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail.
So pass the IRQF_ONESHOT flag in this case.
The semantic patch that makes this change is available
in scripts/coccinelle/misc/irqf_oneshot.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
drivers/iio/adc/twl4030-madc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 94c5f05..4caecbe 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -835,7 +835,8 @@ static int twl4030_madc_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
twl4030_madc_threaded_irq_handler,
- IRQF_TRIGGER_RISING, "twl4030_madc", madc);
+ IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+ "twl4030_madc", madc);
if (ret) {
dev_err(&pdev->dev, "could not request irq\n");
goto err_i2c;
--
2.1.4
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