iio: adc: ad9467: 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/20220808204740.307667-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
index 5a5f33f..7534572 100644 (file)
--- a/drivers/iio/adc/ad9467.c
+++ b/drivers/iio/adc/ad9467.c
@@ -378,13 +378,6 @@ static int ad9467_preenable_setup(struct adi_axi_adc_conv *conv)
        return ad9467_outputmode_set(st->spi, st->output_mode);
 }
 
-static void ad9467_clk_disable(void *data)
-{
-       struct ad9467_state *st = data;
-
-       clk_disable_unprepare(st->clk);
-}
-
 static int ad9467_probe(struct spi_device *spi)
 {
        const struct ad9467_chip_info *info;
@@ -404,18 +397,10 @@ static int ad9467_probe(struct spi_device *spi)
        st = adi_axi_adc_conv_priv(conv);
        st->spi = spi;
 
-       st->clk = devm_clk_get(&spi->dev, "adc-clk");
+       st->clk = devm_clk_get_enabled(&spi->dev, "adc-clk");
        if (IS_ERR(st->clk))
                return PTR_ERR(st->clk);
 
-       ret = clk_prepare_enable(st->clk);
-       if (ret < 0)
-               return ret;
-
-       ret = devm_add_action_or_reset(&spi->dev, ad9467_clk_disable, st);
-       if (ret)
-               return ret;
-
        st->pwrdown_gpio = devm_gpiod_get_optional(&spi->dev, "powerdown",
                                                   GPIOD_OUT_LOW);
        if (IS_ERR(st->pwrdown_gpio))