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>

diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
index bb298aa..714af75 100644 (file)
--- 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;
 }