drm/mediatek: use platform_register_drivers

Use platform_register_drivers instead of open coding the iteration over
component platform drivers in the mtk_drm_drv and mtk_hdmi modules.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: CK Hu <ck.hu@mediatek.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index f6c8ec4..3754c3f 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -576,33 +576,14 @@ static struct platform_driver * const mtk_drm_drivers[] = {
 
 static int __init mtk_drm_init(void)
 {
-       int ret;
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(mtk_drm_drivers); i++) {
-               ret = platform_driver_register(mtk_drm_drivers[i]);
-               if (ret < 0) {
-                       pr_err("Failed to register %s driver: %d\n",
-                              mtk_drm_drivers[i]->driver.name, ret);
-                       goto err;
-               }
-       }
-
-       return 0;
-
-err:
-       while (--i >= 0)
-               platform_driver_unregister(mtk_drm_drivers[i]);
-
-       return ret;
+       return platform_register_drivers(mtk_drm_drivers,
+                                        ARRAY_SIZE(mtk_drm_drivers));
 }
 
 static void __exit mtk_drm_exit(void)
 {
-       int i;
-
-       for (i = ARRAY_SIZE(mtk_drm_drivers) - 1; i >= 0; i--)
-               platform_driver_unregister(mtk_drm_drivers[i]);
+       platform_unregister_drivers(mtk_drm_drivers,
+                                   ARRAY_SIZE(mtk_drm_drivers));
 }
 
 module_init(mtk_drm_init);

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 0a4ffd7..71eb4fb 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1778,33 +1778,14 @@ static struct platform_driver * const mtk_hdmi_drivers[] = {
 
 static int __init mtk_hdmitx_init(void)
 {
-       int ret;
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(mtk_hdmi_drivers); i++) {
-               ret = platform_driver_register(mtk_hdmi_drivers[i]);
-               if (ret < 0) {
-                       pr_err("Failed to register %s driver: %d\n",
-                              mtk_hdmi_drivers[i]->driver.name, ret);
-                       goto err;
-               }
-       }
-
-       return 0;
-
-err:
-       while (--i >= 0)
-               platform_driver_unregister(mtk_hdmi_drivers[i]);
-
-       return ret;
+       return platform_register_drivers(mtk_hdmi_drivers,
+                                        ARRAY_SIZE(mtk_hdmi_drivers));
 }
 
 static void __exit mtk_hdmitx_exit(void)
 {
-       int i;
-
-       for (i = ARRAY_SIZE(mtk_hdmi_drivers) - 1; i >= 0; i--)
-               platform_driver_unregister(mtk_hdmi_drivers[i]);
+       platform_unregister_drivers(mtk_hdmi_drivers,
+                                   ARRAY_SIZE(mtk_hdmi_drivers));
 }
 
 module_init(mtk_hdmitx_init);