drm/tegra: vic: Use devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of calling
platform_get_resource() and devm_ioremap_resource() separately. Make the
code simpler without functional changes.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/tegra/vic.c

@@ -469,7 +469,6 @@ static int vic_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct host1x_syncpt **syncpts;
-	struct resource *regs;
 	struct vic *vic;
 	int err;
 
@@ -490,13 +489,7 @@ static int vic_probe(struct platform_device *pdev)
 	if (!syncpts)
 		return -ENOMEM;
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!regs) {
-		dev_err(&pdev->dev, "failed to get registers\n");
-		return -ENXIO;
-	}
-
-	vic->regs = devm_ioremap_resource(dev, regs);
+	vic->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(vic->regs))
 		return PTR_ERR(vic->regs);