fbdev: imxfb: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Helge Deller <deller@gmx.de>

drivers/video/fbdev/imxfb.c

@@ -869,7 +869,6 @@ static int imxfb_probe(struct platform_device *pdev)
 	struct imxfb_info *fbi;
 	struct lcd_device *lcd;
 	struct fb_info *info;
-	struct resource *res;
 	struct imx_fb_videomode *m;
 	const struct of_device_id *of_id;
 	struct device_node *display_np;
@@ -886,10 +885,6 @@ static int imxfb_probe(struct platform_device *pdev)
 	if (of_id)
 		pdev->id_entry = of_id->data;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	info = framebuffer_alloc(sizeof(struct imxfb_info), &pdev->dev);
 	if (!info)
 		return -ENOMEM;
@@ -971,7 +966,7 @@ static int imxfb_probe(struct platform_device *pdev)
 		goto failed_getclock;
 	}
 
-	fbi->regs = devm_ioremap_resource(&pdev->dev, res);
+	fbi->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(fbi->regs)) {
 		ret = PTR_ERR(fbi->regs);
 		goto failed_ioremap;