linux-kernel - [PATCH 4.19 019/140] iio: adis16480: Add debugfs_reg

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Message-Id: <20191216174755.837735242@linuxfoundation.org>
Date:   Mon, 16 Dec 2019 18:48:07 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Nuno Sá <nuno.sa@...log.com>,
        Stable@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH 4.19 019/140] iio: adis16480: Add debugfs_reg_access entry

From: Nuno Sá <nuno.sa@...log.com>

commit 4c35b7a51e2f291471f7221d112c6a45c63e83bc upstream.

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")
Signed-off-by: Nuno Sá <nuno.sa@...log.com>
Cc: <Stable@...r.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iio/imu/adis16480.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -727,6 +727,7 @@ static const struct iio_info adis16480_i
 	.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)