staging: iio: ad2s90: Use devm_iio_device_alloc

devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Graff Yang <graff.yang@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c
index 40b825286d4af65dfe9228baa76c0af392096fa9..e24c5890652f8d1c1b0280875f25cde6fb0050a5 100644 (file)
--- a/drivers/staging/iio/resolver/ad2s90.c
+++ b/drivers/staging/iio/resolver/ad2s90.c
@@ -64,11 +64,9 @@ static int ad2s90_probe(struct spi_device *spi)
        struct ad2s90_state *st;
        int ret = 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);
        spi_set_drvdata(spi, indio_dev);
 
@@ -83,7 +81,7 @@ static int ad2s90_probe(struct spi_device *spi)
 
        ret = iio_device_register(indio_dev);
        if (ret)
-               goto error_free_dev;
+               return ret;
 
        /* need 600ns between CS and the first falling edge of SCLK */
        spi->max_speed_hz = 830000;
@@ -91,17 +89,11 @@ static int ad2s90_probe(struct spi_device *spi)
        spi_setup(spi);
 
        return 0;
-
-error_free_dev:
-       iio_device_free(indio_dev);
-error_ret:
-       return ret;
 }
 
 static int ad2s90_remove(struct spi_device *spi)
 {
        iio_device_unregister(spi_get_drvdata(spi));
-       iio_device_free(spi_get_drvdata(spi));
 
        return 0;
 }