drm/tidss: use devm_platform_ioremap_resource_byname

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately.

Signed-off-by: Wang Xiaojun <wangxiaojun11@huawei.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200917062958.2183496-1-wangxiaojun11@huawei.com

diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index b669168..60b92df 100644 (file)
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -2608,16 +2608,9 @@ void dispc_remove(struct tidss_device *tidss)
 static int dispc_iomap_resource(struct platform_device *pdev, const char *name,
                                void __iomem **base)
 {
-       struct resource *res;
        void __iomem *b;
 
-       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
-       if (!res) {
-               dev_err(&pdev->dev, "cannot get mem resource '%s'\n", name);
-               return -EINVAL;
-       }
-
-       b = devm_ioremap_resource(&pdev->dev, res);
+       b = devm_platform_ioremap_resource_byname(pdev, name);
        if (IS_ERR(b)) {
                dev_err(&pdev->dev, "cannot ioremap resource '%s'\n", name);
                return PTR_ERR(b);