drm: omapdrm: Move shutdown() handler from core to dss

In preparation for removal of the core module, move the shutdown()
handler from core to dss.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/core.c

@@ -50,19 +50,6 @@ EXPORT_SYMBOL(omapdss_get_version);
 
 /* PLATFORM DEVICE */
 
-static void dss_disable_all_devices(void)
-{
-	struct omap_dss_device *dssdev = NULL;
-
-	for_each_dss_dev(dssdev) {
-		if (!dssdev->driver)
-			continue;
-
-		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
-			dssdev->driver->disable(dssdev);
-	}
-}
-
 static int __init omap_dss_probe(struct platform_device *pdev)
 {
 	core.pdev = pdev;
@@ -77,15 +64,8 @@ static int omap_dss_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static void omap_dss_shutdown(struct platform_device *pdev)
-{
-	DSSDBG("shutdown\n");
-	dss_disable_all_devices();
-}
-
 static struct platform_driver omap_dss_driver = {
 	.remove         = omap_dss_remove,
-	.shutdown	= omap_dss_shutdown,
 	.driver         = {
 		.name   = "omapdss",
 	},

drivers/gpu/drm/omapdrm/dss/dss.c

@@ -1380,6 +1380,21 @@ static int dss_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static void dss_shutdown(struct platform_device *pdev)
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	DSSDBG("shutdown\n");
+
+	for_each_dss_dev(dssdev) {
+		if (!dssdev->driver)
+			continue;
+
+		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+			dssdev->driver->disable(dssdev);
+	}
+}
+
 static int dss_runtime_suspend(struct device *dev)
 {
 	dss_save_context();
@@ -1419,6 +1434,7 @@ static const struct dev_pm_ops dss_pm_ops = {
 static struct platform_driver omap_dsshw_driver = {
 	.probe		= dss_probe,
 	.remove		= dss_remove,
+	.shutdown	= dss_shutdown,
 	.driver         = {
 		.name   = "omapdss_dss",
 		.pm	= &dss_pm_ops,