staging: iio: ad9834: Use devm_regulator_get_enable()

The regulators are only enabled at probe(), hence replace the boilerplate
code by making use of devm_regulator_get_enable() helper.

Signed-off-by: Saalim Quadri <danascape@gmail.com>
Link: https://patch.msgid.link/20250306000459.1554007-1-danascape@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c
index 6e99e008c5f43289fcb2e84bdfb53c40d190d0cb..50413da2aa652b8cf2a33047399bad5450b8a331 100644 (file)
--- a/drivers/staging/iio/frequency/ad9834.c
+++ b/drivers/staging/iio/frequency/ad9834.c
@@ -387,33 +387,15 @@ static const struct iio_info ad9833_info = {
        .attrs = &ad9833_attribute_group,
 };
 
-static void ad9834_disable_reg(void *data)
-{
-       struct regulator *reg = data;
-
-       regulator_disable(reg);
-}
-
 static int ad9834_probe(struct spi_device *spi)
 {
        struct ad9834_state *st;
        struct iio_dev *indio_dev;
-       struct regulator *reg;
        int ret;
 
-       reg = devm_regulator_get(&spi->dev, "avdd");
-       if (IS_ERR(reg))
-               return PTR_ERR(reg);
-
-       ret = regulator_enable(reg);
-       if (ret) {
-               dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
-               return ret;
-       }
-
-       ret = devm_add_action_or_reset(&spi->dev, ad9834_disable_reg, reg);
+       ret = devm_regulator_get_enable(&spi->dev, "avdd");
        if (ret)
-               return ret;
+               return dev_err_probe(&spi->dev, ret, "Failed to enable specified AVDD supply\n");
 
        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
        if (!indio_dev) {