On 24/05/15 21:39, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
>
> 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>
Applied to the fixes-togreg branch of iio.git and marked for stable.
> ---
> 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;
>
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