media: rcar_jpu: 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 <[e-mail]>
Reviewed-by: Kieran Bingham <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/platform/rcar_jpu.c

···
 static int jpu_probe(struct platform_device *pdev)
 {
 	struct jpu *jpu;
-	struct resource *res;
 	int ret;
 	unsigned int i;
 
···
 	jpu->dev = &pdev->dev;
 
 	/* memory-mapped registers */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	jpu->regs = devm_ioremap_resource(&pdev->dev, res);
+	jpu->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(jpu->regs))
 		return PTR_ERR(jpu->regs);