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path: root/drivers/iio/adc/mcp320x.c
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Diffstat (limited to 'drivers/iio/adc/mcp320x.c')
-rw-r--r--drivers/iio/adc/mcp320x.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c
index ebc015922a7..28a086e4877 100644
--- a/drivers/iio/adc/mcp320x.c
+++ b/drivers/iio/adc/mcp320x.c
@@ -169,7 +169,7 @@ static int mcp320x_probe(struct spi_device *spi)
const struct mcp3208_chip_info *chip_info;
int ret;
- indio_dev = iio_device_alloc(sizeof(*adc));
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc));
if (!indio_dev)
return -ENOMEM;
@@ -193,15 +193,13 @@ static int mcp320x_probe(struct spi_device *spi)
spi_message_init_with_transfers(&adc->msg, adc->transfer,
ARRAY_SIZE(adc->transfer));
- adc->reg = regulator_get(&spi->dev, "vref");
- if (IS_ERR(adc->reg)) {
- ret = PTR_ERR(adc->reg);
- goto iio_free;
- }
+ adc->reg = devm_regulator_get(&spi->dev, "vref");
+ if (IS_ERR(adc->reg))
+ return PTR_ERR(adc->reg);
ret = regulator_enable(adc->reg);
if (ret < 0)
- goto reg_free;
+ return ret;
mutex_init(&adc->lock);
@@ -213,10 +211,6 @@ static int mcp320x_probe(struct spi_device *spi)
reg_disable:
regulator_disable(adc->reg);
-reg_free:
- regulator_put(adc->reg);
-iio_free:
- iio_device_free(indio_dev);
return ret;
}
@@ -228,8 +222,6 @@ static int mcp320x_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
regulator_disable(adc->reg);
- regulator_put(adc->reg);
- iio_device_free(indio_dev);
return 0;
}