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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-04-02 21:45:40 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-04-07 10:36:39 +0300
commitaef3ef165972ca16e3b87ec024e6edfad642e230 (patch)
tree3559d337b90a41c8d78ca61febb93188ff43ab09 /drivers
parent42004ceb3404b198379d59b0d31ea566b4912869 (diff)
downloadlinux-aef3ef165972ca16e3b87ec024e6edfad642e230.tar.xz
iio:adc:nau7802: Use IRQF_NO_AUTOEN instead of request then disable
Whilst a race during interrupt enabling is probably not a problem, it is better to not enable the interrupt at all. The new IRQF_NO_AUTOEN flag allows us to do that. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Alexandre Belloni <alexandre.belloni@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/20210402184544.488862-4-jic23@kernel.org
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iio/adc/nau7802.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c
index 07c85434b568..bb70b51d25b1 100644
--- a/drivers/iio/adc/nau7802.c
+++ b/drivers/iio/adc/nau7802.c
@@ -498,7 +498,8 @@ static int nau7802_probe(struct i2c_client *client,
ret = request_threaded_irq(client->irq,
NULL,
nau7802_eoc_trigger,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT |
+ IRQF_NO_AUTOEN,
client->dev.driver->name,
indio_dev);
if (ret) {
@@ -513,8 +514,7 @@ static int nau7802_probe(struct i2c_client *client,
dev_info(&client->dev,
"Failed to allocate IRQ, using polling mode\n");
client->irq = 0;
- } else
- disable_irq(client->irq);
+ }
}
if (!client->irq) {