iio: frequency: adf4371: Benefit from devm_clk_get_enabled() to simplify

Make use of devm_clk_get_enabled() to replace some code that effectively
open codes this new function.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220808204740.307667-10-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/frequency/adf4371.c b/drivers/iio/frequency/adf4371.c
index 135c8ce..b270884 100644 (file)
--- a/drivers/iio/frequency/adf4371.c
+++ b/drivers/iio/frequency/adf4371.c
@@ -540,13 +540,6 @@ static int adf4371_setup(struct adf4371_state *st)
        return regmap_bulk_write(st->regmap, ADF4371_REG(0x30), st->buf, 5);
 }
 
-static void adf4371_clk_disable(void *data)
-{
-       struct adf4371_state *st = data;
-
-       clk_disable_unprepare(st->clkin);
-}
-
 static int adf4371_probe(struct spi_device *spi)
 {
        const struct spi_device_id *id = spi_get_device_id(spi);
@@ -579,18 +572,10 @@ static int adf4371_probe(struct spi_device *spi)
        indio_dev->channels = st->chip_info->channels;
        indio_dev->num_channels = st->chip_info->num_channels;
 
-       st->clkin = devm_clk_get(&spi->dev, "clkin");
+       st->clkin = devm_clk_get_enabled(&spi->dev, "clkin");
        if (IS_ERR(st->clkin))
                return PTR_ERR(st->clkin);
 
-       ret = clk_prepare_enable(st->clkin);
-       if (ret < 0)
-               return ret;
-
-       ret = devm_add_action_or_reset(&spi->dev, adf4371_clk_disable, st);
-       if (ret)
-               return ret;
-
        st->clkin_freq = clk_get_rate(st->clkin);
 
        ret = adf4371_setup(st);