iio: dac: ad7303: Use devm_* APIs
devm_* APIs are device managed and make code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/dac/ad7303.c b/drivers/iio/dac/ad7303.c
index d546f50..ed2d276 100644
--- a/drivers/iio/dac/ad7303.c
+++ b/drivers/iio/dac/ad7303.c
@@ -203,7 +203,7 @@
bool ext_ref;
int ret;
- indio_dev = iio_device_alloc(sizeof(*st));
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@@ -212,15 +212,13 @@
st->spi = spi;
- st->vdd_reg = regulator_get(&spi->dev, "Vdd");
- if (IS_ERR(st->vdd_reg)) {
- ret = PTR_ERR(st->vdd_reg);
- goto err_free;
- }
+ st->vdd_reg = devm_regulator_get(&spi->dev, "Vdd");
+ if (IS_ERR(st->vdd_reg))
+ return PTR_ERR(st->vdd_reg);
ret = regulator_enable(st->vdd_reg);
if (ret)
- goto err_put_vdd_reg;
+ return ret;
if (spi->dev.of_node) {
ext_ref = of_property_read_bool(spi->dev.of_node,
@@ -234,7 +232,7 @@
}
if (ext_ref) {
- st->vref_reg = regulator_get(&spi->dev, "REF");
+ st->vref_reg = devm_regulator_get(&spi->dev, "REF");
if (IS_ERR(st->vref_reg)) {
ret = PTR_ERR(st->vref_reg);
goto err_disable_vdd_reg;
@@ -242,7 +240,7 @@
ret = regulator_enable(st->vref_reg);
if (ret)
- goto err_put_vref_reg;
+ goto err_disable_vdd_reg;
st->config |= AD7303_CFG_EXTERNAL_VREF;
}
@@ -263,16 +261,8 @@
err_disable_vref_reg:
if (st->vref_reg)
regulator_disable(st->vref_reg);
-err_put_vref_reg:
- if (st->vref_reg)
- regulator_put(st->vref_reg);
err_disable_vdd_reg:
regulator_disable(st->vdd_reg);
-err_put_vdd_reg:
- regulator_put(st->vdd_reg);
-err_free:
- iio_device_free(indio_dev);
-
return ret;
}
@@ -283,14 +273,9 @@
iio_device_unregister(indio_dev);
- if (st->vref_reg) {
+ if (st->vref_reg)
regulator_disable(st->vref_reg);
- regulator_put(st->vref_reg);
- }
regulator_disable(st->vdd_reg);
- regulator_put(st->vdd_reg);
-
- iio_device_free(indio_dev);
return 0;
}