iio: adc: ad7124: 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/20220808204740.307667-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index c5b785d8b2415bd643ceec21dae9a2d7064b981e..4088786e1026d5288d34e42f852292248ede1491 100644 (file)
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -936,11 +936,6 @@ static void ad7124_reg_disable(void *r)
        regulator_disable(r);
 }
 
-static void ad7124_clk_disable(void *c)
-{
-       clk_disable_unprepare(c);
-}
-
 static int ad7124_probe(struct spi_device *spi)
 {
        const struct ad7124_chip_info *info;
@@ -993,18 +988,10 @@ static int ad7124_probe(struct spi_device *spi)
                        return ret;
        }
 
-       st->mclk = devm_clk_get(&spi->dev, "mclk");
+       st->mclk = devm_clk_get_enabled(&spi->dev, "mclk");
        if (IS_ERR(st->mclk))
                return PTR_ERR(st->mclk);
 
-       ret = clk_prepare_enable(st->mclk);
-       if (ret < 0)
-               return ret;
-
-       ret = devm_add_action_or_reset(&spi->dev, ad7124_clk_disable, st->mclk);
-       if (ret)
-               return ret;
-
        ret = ad7124_soft_reset(st);
        if (ret < 0)
                return ret;