media: coda: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/coda/imx-vdoa.c

@@ -301,8 +301,7 @@ static int vdoa_probe(struct platform_device *pdev)
 		return PTR_ERR(vdoa->vdoa_clk);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	vdoa->regs = devm_ioremap_resource(vdoa->dev, res);
+	vdoa->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(vdoa->regs))
 		return PTR_ERR(vdoa->regs);