From cbc4ca3525777f3934bd5684e8ec908135dcbcd4 Mon Sep 17 00:00:00 2001 From: Wang ShaoBo Date: Fri, 18 Sep 2020 16:28:37 +0800 Subject: iio: adc: at91-sama5d2_adc: 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. Signed-off-by: Wang ShaoBo Link: https://lore.kernel.org/r/20200918082837.32610-1-bobo.shaobowang@huawei.com Signed-off-by: Jonathan Cameron --- drivers/iio/adc/at91-sama5d2_adc.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) (limited to 'drivers/iio/adc/at91-sama5d2_adc.c') diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index de9583d6cddd..ad7d9819f83c 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1764,17 +1764,13 @@ static int at91_adc_probe(struct platform_device *pdev) mutex_init(&st->lock); INIT_WORK(&st->touch_st.workq, at91_adc_workq_handler); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; + st->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(st->base)) + return PTR_ERR(st->base); /* if we plan to use DMA, we need the physical address of the regs */ st->dma_st.phys_addr = res->start; - st->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(st->base)) - return PTR_ERR(st->base); - st->irq = platform_get_irq(pdev, 0); if (st->irq <= 0) { if (!st->irq) -- cgit v1.2.3