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>

2 files changed, 8 insertions, 46 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index f6c8ec4c7dbc..3754c3ffdcf2 100644
--- 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 0a4ffd724146..71eb4fbbfc85 100644
--- 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);