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iio:max1027: Use iio_trigger_validate_own_device() helper

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Use the new iio_trigger_validate_own_device() to verify that the trigger
can only be attached to the matching IIO device rather than using a custom
variant.

While the implementation of iio_trigger_validate_own_device() and the
custom variant and are not identical their behaviour is.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2016-09-23 17:19:43 +02:00 committed by Jonathan Cameron
parent 19808e0467
commit bea15d5139
1 changed files with 1 additions and 12 deletions
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13
drivers/iio/adc/max1027.c
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@ -362,17 +362,6 @@ static int max1027_set_trigger_state(struct iio_trigger *trig, bool state)
return 0;
}
static int max1027_validate_device(struct iio_trigger *trig,
struct iio_dev *indio_dev)
{
struct iio_dev *indio = iio_trigger_get_drvdata(trig);
if (indio != indio_dev)
return -EINVAL;
return 0;
}
static irqreturn_t max1027_trigger_handler(int irq, void *private)
{
struct iio_poll_func *pf = (struct iio_poll_func *)private;
@ -393,7 +382,7 @@ static irqreturn_t max1027_trigger_handler(int irq, void *private)
static const struct iio_trigger_ops max1027_trigger_ops = {
.owner = THIS_MODULE,
.validate_device = &max1027_validate_device,
.validate_device = &iio_trigger_validate_own_device,
.set_trigger_state = &max1027_set_trigger_state,
};