From: Lars-Peter Clausen Date: Fri, 23 Sep 2016 15:19:42 +0000 (+0200) Subject: iio:mma8452: Use new iio_trigger_validate_own_device() helper X-Git-Tag: v4.10-rc1~148^2~508^2~106 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=19808e0467a05ee4a3008f9d586ce32d5b34aba8;p=linux.git iio:mma8452: Use new iio_trigger_validate_own_device() helper 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 Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index d41e1b588e68..1c7051581513 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1347,20 +1347,9 @@ static int mma8452_data_rdy_trigger_set_state(struct iio_trigger *trig, return mma8452_change_config(data, MMA8452_CTRL_REG4, reg); } -static int mma8452_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 const struct iio_trigger_ops mma8452_trigger_ops = { .set_trigger_state = mma8452_data_rdy_trigger_set_state, - .validate_device = mma8452_validate_device, + .validate_device = iio_trigger_validate_own_device, .owner = THIS_MODULE, };