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iio: adc: stm32-dfsdm: Use devm_platform_get_and_ioremap_resource()

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Make use of devm_platform_get_and_ioremap_resource() provided by
driver core platform instead of duplicated analogue, dev_err() is
removed because it has been done in devm_ioremap_resource().

Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Link: https://lore.kernel.org/r/20200918083142.32816-1-bobo.shaobowang@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Wang ShaoBo 2020-09-18 16:31:42 +08:00 committed by Jonathan Cameron
parent cbc4ca3525
commit 57e5b8bfd6
1 changed files with 4 additions and 7 deletions
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11
drivers/iio/adc/stm32-dfsdm-core.c
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@ -226,16 +226,13 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev,
if (!node)
return -EINVAL;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "Failed to get memory resource\n");
return -ENODEV;
}
priv->dfsdm.phys_base = res->start;
priv->dfsdm.base = devm_ioremap_resource(&pdev->dev, res);
priv->dfsdm.base = devm_platform_get_and_ioremap_resource(pdev, 0,
&res);
if (IS_ERR(priv->dfsdm.base))
return PTR_ERR(priv->dfsdm.base);
priv->dfsdm.phys_base = res->start;
/*
* "dfsdm" clock is mandatory for DFSDM peripheral clocking.
* "dfsdm" or "audio" clocks can be used as source clock for