drm/tegra: Use new multi-driver module helpers

Use the new multi-driver module helpers to get rid of some boilerplate
in the module initialization and cleanup functions.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index e0f8277..dc8e7b8 100644 (file)
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -1076,6 +1076,16 @@ static struct host1x_driver host1x_drm_driver = {
        .subdevs = host1x_drm_subdevs,
 };
 
+static struct platform_driver * const drivers[] = {
+       &tegra_dc_driver,
+       &tegra_hdmi_driver,
+       &tegra_dsi_driver,
+       &tegra_dpaux_driver,
+       &tegra_sor_driver,
+       &tegra_gr2d_driver,
+       &tegra_gr3d_driver,
+};
+
 static int __init host1x_drm_init(void)
 {
        int err;
@@ -1084,48 +1094,12 @@ static int __init host1x_drm_init(void)
        if (err < 0)
                return err;
 
-       err = platform_driver_register(&tegra_dc_driver);
+       err = platform_register_drivers(drivers, ARRAY_SIZE(drivers));
        if (err < 0)
                goto unregister_host1x;
 
-       err = platform_driver_register(&tegra_dsi_driver);
-       if (err < 0)
-               goto unregister_dc;
-
-       err = platform_driver_register(&tegra_sor_driver);
-       if (err < 0)
-               goto unregister_dsi;
-
-       err = platform_driver_register(&tegra_hdmi_driver);
-       if (err < 0)
-               goto unregister_sor;
-
-       err = platform_driver_register(&tegra_dpaux_driver);
-       if (err < 0)
-               goto unregister_hdmi;
-
-       err = platform_driver_register(&tegra_gr2d_driver);
-       if (err < 0)
-               goto unregister_dpaux;
-
-       err = platform_driver_register(&tegra_gr3d_driver);
-       if (err < 0)
-               goto unregister_gr2d;
-
        return 0;
 
-unregister_gr2d:
-       platform_driver_unregister(&tegra_gr2d_driver);
-unregister_dpaux:
-       platform_driver_unregister(&tegra_dpaux_driver);
-unregister_hdmi:
-       platform_driver_unregister(&tegra_hdmi_driver);
-unregister_sor:
-       platform_driver_unregister(&tegra_sor_driver);
-unregister_dsi:
-       platform_driver_unregister(&tegra_dsi_driver);
-unregister_dc:
-       platform_driver_unregister(&tegra_dc_driver);
 unregister_host1x:
        host1x_driver_unregister(&host1x_drm_driver);
        return err;
@@ -1134,13 +1108,7 @@ module_init(host1x_drm_init);
 
 static void __exit host1x_drm_exit(void)
 {
-       platform_driver_unregister(&tegra_gr3d_driver);
-       platform_driver_unregister(&tegra_gr2d_driver);
-       platform_driver_unregister(&tegra_dpaux_driver);
-       platform_driver_unregister(&tegra_hdmi_driver);
-       platform_driver_unregister(&tegra_sor_driver);
-       platform_driver_unregister(&tegra_dsi_driver);
-       platform_driver_unregister(&tegra_dc_driver);
+       platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
        host1x_driver_unregister(&host1x_drm_driver);
 }
 module_exit(host1x_drm_exit);

diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index d88a2d1..a972814 100644 (file)
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -279,10 +279,10 @@ void tegra_fb_output_poll_changed(struct drm_device *drm);
 #endif
 
 extern struct platform_driver tegra_dc_driver;
-extern struct platform_driver tegra_dsi_driver;
-extern struct platform_driver tegra_sor_driver;
 extern struct platform_driver tegra_hdmi_driver;
+extern struct platform_driver tegra_dsi_driver;
 extern struct platform_driver tegra_dpaux_driver;
+extern struct platform_driver tegra_sor_driver;
 extern struct platform_driver tegra_gr2d_driver;
 extern struct platform_driver tegra_gr3d_driver;