summaryrefslogtreecommitdiffstats
path: root/drivers/iio
diff options
context:
space:
mode:
authorSachin Kamat <sachin.kamat@linaro.org>2013-08-19 12:38:00 +0100
committerJonathan Cameron <jic23@kernel.org>2013-08-19 20:37:20 +0100
commit66e670aa0805e553e2647da37502759967f026d3 (patch)
tree70ce86ebba127cac5e2cc4c9c21b7cf948a9f3d1 /drivers/iio
parent0d7c04d33f3e2f9e3da0a545be747731b4410e32 (diff)
downloadop-kernel-dev-66e670aa0805e553e2647da37502759967f026d3.zip
op-kernel-dev-66e670aa0805e553e2647da37502759967f026d3.tar.gz
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>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/dac/ad7303.c31
1 files changed, 8 insertions, 23 deletions
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 @@ static int ad7303_probe(struct spi_device *spi)
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 @@ static int ad7303_probe(struct spi_device *spi)
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 @@ static int ad7303_probe(struct spi_device *spi)
}
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 @@ static int ad7303_probe(struct spi_device *spi)
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 @@ static int ad7303_probe(struct spi_device *spi)
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 @@ static int ad7303_remove(struct spi_device *spi)
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;
}
OpenPOWER on IntegriCloud