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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-5c1d94fb2a4sm329837eaf.10.2024.06.21.15.12.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Jun 2024 15:12:10 -0700 (PDT) From: David Lechner To: Jonathan Cameron Cc: David Lechner , Joel Stanley , Andrew Jeffery , Liam Girdwood , Mark Brown , Andreas Klinger , Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/10] iio: adc: ti-ads8688: drop ads8688_remove() Date: Fri, 21 Jun 2024 17:11:56 -0500 Message-ID: <20240621-iio-regulator-refactor-round-2-v1-9-49e50cd0b99a@baylibre.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240621-iio-regulator-refactor-round-2-v1-0-49e50cd0b99a@baylibre.com> References: <20240621-iio-regulator-refactor-round-2-v1-0-49e50cd0b99a@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.12.4 Content-Transfer-Encoding: quoted-printable By using a few devm_ functions, we can simplify the driver and remove the ads8688_remove() function. spi_set_drvdata() is removed since there are no more callers of spi_get_drvdata(). Also use dev_err_probe() to simplify error return. Signed-off-by: David Lechner --- drivers/iio/adc/ti-ads8688.c | 32 ++++++-------------------------- 1 file changed, 6 insertions(+), 26 deletions(-) diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index fca3032c59d9..7a79f0cebfbf 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -432,8 +432,6 @@ static int ads8688_probe(struct spi_device *spi) =20 spi->mode =3D SPI_MODE_1; =20 - spi_set_drvdata(spi, indio_dev); - st->spi =3D spi; =20 indio_dev->name =3D spi_get_device_id(spi)->name; @@ -446,30 +444,13 @@ static int ads8688_probe(struct spi_device *spi) =20 mutex_init(&st->lock); =20 - ret =3D iio_triggered_buffer_setup(indio_dev, NULL, ads8688_trigger_handl= er, NULL); - if (ret < 0) { - dev_err(&spi->dev, "iio triggered buffer setup failed\n"); - return ret; - } - - ret =3D iio_device_register(indio_dev); - if (ret) - goto err_buffer_cleanup; - - return 0; - -err_buffer_cleanup: - iio_triggered_buffer_cleanup(indio_dev); - - return ret; -} - -static void ads8688_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev =3D spi_get_drvdata(spi); + ret =3D devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, NULL, + ads8688_trigger_handler, NULL); + if (ret < 0) + return dev_err_probe(&spi->dev, ret, + "iio triggered buffer setup failed\n"); =20 - iio_device_unregister(indio_dev); - iio_triggered_buffer_cleanup(indio_dev); + return devm_iio_device_register(&spi->dev, indio_dev); } =20 static const struct spi_device_id ads8688_id[] =3D { @@ -492,7 +473,6 @@ static struct spi_driver ads8688_driver =3D { .of_match_table =3D ads8688_of_match, }, .probe =3D ads8688_probe, - .remove =3D ads8688_remove, .id_table =3D ads8688_id, }; module_spi_driver(ads8688_driver); --=20 2.45.2