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Sun, 08 Mar 2026 11:29:28 -0700 (PDT) From: Archit Anant To: jic23@kernel.org, dlechner@baylibre.com Cc: lars@metafoo.de, Michael.Hennerich@analog.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Archit Anant , Andy Shevchenko Subject: [PATCH v4 4/4] iio: adc: ad799x: use devm_iio_device_register and drop remove Date: Sun, 8 Mar 2026 23:58:11 +0530 Message-Id: <20260308182811.33471-5-architanant5@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260308182811.33471-1-architanant5@gmail.com> References: <20260308182811.33471-1-architanant5@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Convert the driver to use the device-managed versions of iio_device_register(), iio_triggered_buffer_setup(), and devm_mutex_init(). By moving these remaining resources to the devm framework, the driver no longer requires manual cleanup. This allows for the removal of all remaining goto labels in ad799x_probe() and the complete deletion of the ad799x_remove() function. Suggested-by: David Lechner Suggested-by: Andy Shevchenko Signed-off-by: Archit Anant --- drivers/iio/adc/ad799x.c | 27 +++++---------------------- 1 file changed, 5 insertions(+), 22 deletions(-) diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index f5ef6ff97c89..89ac0d393366 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -861,7 +861,7 @@ static int ad799x_probe(struct i2c_client *client) if (ret) return ret; =20 - ret =3D iio_triggered_buffer_setup(indio_dev, NULL, + ret =3D devm_iio_triggered_buffer_setup(dev, indio_dev, NULL, &ad799x_trigger_handler, NULL); if (ret) return ret; @@ -876,30 +876,14 @@ static int ad799x_probe(struct i2c_client *client) client->name, indio_dev); if (ret) - goto error_cleanup_ring; + return ret; } =20 - mutex_init(&st->lock); - - ret =3D iio_device_register(indio_dev); + ret =3D devm_mutex_init(dev, &st->lock); if (ret) - goto error_cleanup_ring; - - return 0; - -error_cleanup_ring: - iio_triggered_buffer_cleanup(indio_dev); - - return ret; -} - -static void ad799x_remove(struct i2c_client *client) -{ - struct iio_dev *indio_dev =3D i2c_get_clientdata(client); - - iio_device_unregister(indio_dev); + return ret; =20 - iio_triggered_buffer_cleanup(indio_dev); + return devm_iio_device_register(dev, indio_dev); } =20 static int ad799x_suspend(struct device *dev) @@ -969,7 +953,6 @@ static struct i2c_driver ad799x_driver =3D { .pm =3D pm_sleep_ptr(&ad799x_pm_ops), }, .probe =3D ad799x_probe, - .remove =3D ad799x_remove, .id_table =3D ad799x_id, }; module_i2c_driver(ad799x_driver); --=20 2.39.5