iio: dac: ad5380: 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/ad5380.c b/drivers/iio/dac/ad5380.c
index bf2db02..1c44ae3 100644 (file)
--- a/drivers/iio/dac/ad5380.c
+++ b/drivers/iio/dac/ad5380.c
@@ -369,11 +369,10 @@ static int ad5380_probe(struct device *dev, struct regmap *regmap,
        unsigned int ctrl = 0;
        int ret;
 
-       indio_dev = iio_device_alloc(sizeof(*st));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
        if (indio_dev == NULL) {
                dev_err(dev, "Failed to allocate iio device\n");
-               ret = -ENOMEM;
-               goto error_out;
+               return -ENOMEM;
        }
 
        st = iio_priv(indio_dev);
@@ -391,13 +390,13 @@ static int ad5380_probe(struct device *dev, struct regmap *regmap,
        ret = ad5380_alloc_channels(indio_dev);
        if (ret) {
                dev_err(dev, "Failed to allocate channel spec: %d\n", ret);
-               goto error_free;
+               return ret;
        }
 
        if (st->chip_info->int_vref == 2500000)
                ctrl |= AD5380_CTRL_INT_VREF_2V5;
 
-       st->vref_reg = regulator_get(dev, "vref");
+       st->vref_reg = devm_regulator_get(dev, "vref");
        if (!IS_ERR(st->vref_reg)) {
                ret = regulator_enable(st->vref_reg);
                if (ret) {
@@ -434,13 +433,7 @@ error_disable_reg:
        if (!IS_ERR(st->vref_reg))
                regulator_disable(st->vref_reg);
 error_free_reg:
-       if (!IS_ERR(st->vref_reg))
-               regulator_put(st->vref_reg);
-
        kfree(indio_dev->channels);
-error_free:
-       iio_device_free(indio_dev);
-error_out:
 
        return ret;
 }
@@ -456,11 +449,8 @@ static int ad5380_remove(struct device *dev)
 
        if (!IS_ERR(st->vref_reg)) {
                regulator_disable(st->vref_reg);
-               regulator_put(st->vref_reg);
        }
 
-       iio_device_free(indio_dev);
-
        return 0;
 }