From 57e5b8bfd633b9237f0072ef8faeef9545a61ea1 Mon Sep 17 00:00:00 2001 From: Wang ShaoBo Date: Fri, 18 Sep 2020 16:31:42 +0800 Subject: iio: adc: stm32-dfsdm: Use devm_platform_get_and_ioremap_resource() 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 Link: https://lore.kernel.org/r/20200918083142.32816-1-bobo.shaobowang@huawei.com Signed-off-by: Jonathan Cameron --- drivers/iio/adc/stm32-dfsdm-core.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c index 0b8bea88b011..42a7377704a4 100644 --- a/drivers/iio/adc/stm32-dfsdm-core.c +++ b/drivers/iio/adc/stm32-dfsdm-core.c @@ -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 -- cgit v1.2.3