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iio:adc:sun4i-gpadc: Use new IRQF_NO_AUTOEN flag instead of request then disable

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This new flag ensures a requested irq is not autoenabled, thus removing
the need for the disable_irq() that follows and closing off any chance
of spurious interrupts.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Barry Song <song.bao.hua@hisilicon.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20210402184544.488862-5-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2021-04-02 19:45:41 +01:00
parent aef3ef1659
commit ff2293ea9c
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/sun4i-gpadc-iio.c
View file

@ -470,7 +470,8 @@ static int sun4i_irq_init(struct platform_device *pdev, const char *name,
}
*irq = ret;
ret = devm_request_any_context_irq(&pdev->dev, *irq, handler, 0,
ret = devm_request_any_context_irq(&pdev->dev, *irq, handler,
IRQF_NO_AUTOEN,
devname, info);
if (ret < 0) {
dev_err(&pdev->dev, "could not request %s interrupt: %d\n",
@ -478,7 +479,6 @@ static int sun4i_irq_init(struct platform_device *pdev, const char *name,
return ret;
}
disable_irq(*irq);
atomic_set(atomic, 0);
return 0;