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Date: Sun, 22 Sep 2019 13:30:41 +0200 From: Markus Elfring <Markus.Elfring@....de> To: dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Andreas Färber <afaerber@...e.de>, Dan Williams <dan.j.williams@...el.com>, Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, Vinod Koul <vkoul@...nel.org> Cc: LKML <linux-kernel@...r.kernel.org>, kernel-janitors@...r.kernel.org Subject: [PATCH] dmaengine: owl: Use devm_platform_ioremap_resource() in owl_dma_probe() From: Markus Elfring <elfring@...rs.sourceforge.net> Date: Sun, 22 Sep 2019 13:23:54 +0200 Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net> --- drivers/dma/owl-dma.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 90bbcef99ef8..023f951189a7 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -1045,18 +1045,13 @@ static int owl_dma_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct owl_dma *od; - struct resource *res; int ret, i, nr_channels, nr_requests; od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL); if (!od) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - - od->base = devm_ioremap_resource(&pdev->dev, res); + od->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(od->base)) return PTR_ERR(od->base); -- 2.23.0
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