iio: dac: ad5624r_spi: 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>

1 files changed, 6 insertions, 16 deletions

diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
index bb298aaff321..714af757cd56 100644
--- a/drivers/iio/dac/ad5624r_spi.c
+++ b/drivers/iio/dac/ad5624r_spi.c
@@ -226,17 +226,15 @@ static int ad5624r_probe(struct spi_device *spi)
         struct iio_dev *indio_dev;
         int ret, voltage_uv = 0;
 
-        indio_dev = iio_device_alloc(sizeof(*st));
-        if (indio_dev == NULL) {
-                ret = -ENOMEM;
-                goto error_ret;
-        }
+        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+        if (!indio_dev)
+                return -ENOMEM;
         st = iio_priv(indio_dev);
-        st->reg = regulator_get(&spi->dev, "vcc");
+        st->reg = devm_regulator_get(&spi->dev, "vcc");
         if (!IS_ERR(st->reg)) {
                 ret = regulator_enable(st->reg);
                 if (ret)
-                        goto error_put_reg;
+                        return ret;
 
                 ret = regulator_get_voltage(st->reg);
                 if (ret < 0)
@@ -277,11 +275,6 @@ static int ad5624r_probe(struct spi_device *spi)
 error_disable_reg:
         if (!IS_ERR(st->reg))
                 regulator_disable(st->reg);
-error_put_reg:
-        if (!IS_ERR(st->reg))
-                regulator_put(st->reg);
-        iio_device_free(indio_dev);
-error_ret:
 
         return ret;
 }
@@ -292,11 +285,8 @@ static int ad5624r_remove(struct spi_device *spi)
         struct ad5624r_state *st = iio_priv(indio_dev);
 
         iio_device_unregister(indio_dev);
-        if (!IS_ERR(st->reg)) {
+        if (!IS_ERR(st->reg))
                 regulator_disable(st->reg);
-                regulator_put(st->reg);
-        }
-        iio_device_free(indio_dev);
 
         return 0;
 }