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iio: adc: meson_saradc: Use devm_clk_get_optional() 

Replace open coded variants of devm_clk_get_optional().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20220603100004.70336-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2022-06-03 13:00:02 +03:00 committed by Jonathan Cameron
parent 2d27a02139
commit 6531f3a41f
1 changed files with 6 additions and 16 deletions
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22
drivers/iio/adc/meson_saradc.c
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@ -1222,23 +1222,13 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
return dev_err_probe(&pdev->dev, PTR_ERR(priv->core_clk),
"failed to get core clk\n");
priv->adc_clk = devm_clk_get(&pdev->dev, "adc_clk");
if (IS_ERR(priv->adc_clk)) {
if (PTR_ERR(priv->adc_clk) == -ENOENT)
priv->adc_clk = NULL;
else
return dev_err_probe(&pdev->dev, PTR_ERR(priv->adc_clk),
"failed to get adc clk\n");
}
priv->adc_clk = devm_clk_get_optional(dev, "adc_clk");
if (IS_ERR(priv->adc_clk))
return dev_err_probe(dev, PTR_ERR(priv->adc_clk), "failed to get adc clk\n");
priv->adc_sel_clk = devm_clk_get(&pdev->dev, "adc_sel");
if (IS_ERR(priv->adc_sel_clk)) {
if (PTR_ERR(priv->adc_sel_clk) == -ENOENT)
priv->adc_sel_clk = NULL;
else
return dev_err_probe(&pdev->dev, PTR_ERR(priv->adc_sel_clk),
"failed to get adc_sel clk\n");
}
priv->adc_sel_clk = devm_clk_get_optional(dev, "adc_sel");
if (IS_ERR(priv->adc_sel_clk))
return dev_err_probe(dev, PTR_ERR(priv->adc_sel_clk), "failed to get adc_sel clk\n");
/* on pre-GXBB SoCs the SAR ADC itself provides the ADC clock: */
if (!priv->adc_clk) {