devm_* APIs are device managed and make code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Cc: Michael Hennerich <hennerich@xxxxxxxxxxxxxxxxxxxx>
---
drivers/iio/adc/ad7793.c | 23 ++++++-----------------
1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 334e31f..4dddeab 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -757,7 +757,7 @@ static int ad7793_probe(struct spi_device *spi)
return -ENODEV;
}
- indio_dev = iio_device_alloc(sizeof(*st));
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@@ -766,15 +766,13 @@ static int ad7793_probe(struct spi_device *spi)
ad_sd_init(&st->sd, indio_dev, spi, &ad7793_sigma_delta_info);
if (pdata->refsel != AD7793_REFSEL_INTERNAL) {
- st->reg = regulator_get(&spi->dev, "refin");
- if (IS_ERR(st->reg)) {
- ret = PTR_ERR(st->reg);
- goto error_device_free;
- }
+ st->reg = devm_regulator_get(&spi->dev, "refin");
+ if (IS_ERR(st->reg))
+ return PTR_ERR(st->reg);
ret = regulator_enable(st->reg);
if (ret)
- goto error_put_reg;
+ return ret;
vref_mv = regulator_get_voltage(st->reg);
if (vref_mv < 0) {
@@ -818,11 +816,6 @@ error_remove_trigger:
error_disable_reg:
if (pdata->refsel != AD7793_REFSEL_INTERNAL)
regulator_disable(st->reg);
-error_put_reg:
- if (pdata->refsel != AD7793_REFSEL_INTERNAL)
- regulator_put(st->reg);
-error_device_free:
- iio_device_free(indio_dev);
return ret;
}
@@ -836,12 +829,8 @@ static int ad7793_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
ad_sd_cleanup_buffer_and_trigger(indio_dev);
- if (pdata->refsel != AD7793_REFSEL_INTERNAL) {
+ if (pdata->refsel != AD7793_REFSEL_INTERNAL)
regulator_disable(st->reg);
- regulator_put(st->reg);
- }
-
- iio_device_free(indio_dev);
return 0;
}
--
1.7.9.5
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