The driver is defining debugfs entries by calling `adis16480_debugfs_init()`. However, those entries are attached to the iio_dev debugfs entry which won't exist if no debugfs_reg_access callback is provided. Fixes: 2f3abe6cbb6c ("iio:imu: Add support for the ADIS16480 and similar IMUs") Cc: <Stable@xxxxxxxxxxxxxxx> Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx> --- Changes in v2: * Add a Fixes tag and Cc stable. drivers/iio/imu/adis16480.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index 3b53bbb11bfb..94aa1c57e605 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -921,6 +921,7 @@ static const struct iio_info adis16480_info = { .read_raw = &adis16480_read_raw, .write_raw = &adis16480_write_raw, .update_scan_mode = adis_update_scan_mode, + .debugfs_reg_access = adis_debugfs_reg_access, }; static int adis16480_stop_device(struct iio_dev *indio_dev) -- 2.23.0