linux-kernel - [PATCH] iio: max5481: use devres for iio device registration

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Date:   Wed, 14 Aug 2019 11:21:44 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Lars-Peter Clausen <lars@...afoo.de>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH] iio: max5481: use devres for iio device registration

Replace iio_device_register with the devres variant and drop the
explicit function call to unregister the iio device.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/iio/potentiometer/max5481.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iio/potentiometer/max5481.c b/drivers/iio/potentiometer/max5481.c
index 732375b6d131..40b7212e68dc 100644
--- a/drivers/iio/potentiometer/max5481.c
+++ b/drivers/iio/potentiometer/max5481.c
@@ -162,7 +162,7 @@ static int max5481_probe(struct spi_device *spi)
 	if (ret < 0)
 		return ret;
 
-	return iio_device_register(indio_dev);
+	return devm_iio_device_register(&spi->dev, indio_dev);
 }
 
 static int max5481_remove(struct spi_device *spi)
@@ -170,8 +170,6 @@ static int max5481_remove(struct spi_device *spi)
 	struct iio_dev *indio_dev = dev_get_drvdata(&spi->dev);
 	struct max5481_data *data = iio_priv(indio_dev);
 
-	iio_device_unregister(indio_dev);
-
 	/* save wiper reg to NV reg */
 	return max5481_write_cmd(data, MAX5481_COPY_AB_TO_NV, 0);
 }
-- 
2.11.0