OMAPDSS: APPLY: add return value to dss_mgr_enable()

Now that dss_mgr_enable() can fail due to checks, make it return the
error value.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

2 files changed, 10 insertions, 4 deletions

diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 6eb48586501c..614592c7a75c 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -967,7 +967,7 @@ static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr)
         }
 }
 
-void dss_mgr_enable(struct omap_overlay_manager *mgr)
+int dss_mgr_enable(struct omap_overlay_manager *mgr)
 {
         struct mgr_priv_data *mp = get_mgr_priv(mgr);
         unsigned long flags;
@@ -986,8 +986,7 @@ void dss_mgr_enable(struct omap_overlay_manager *mgr)
         if (r) {
                 DSSERR("failed to enable manager %d: check_settings failed\n",
                                 mgr->id);
-                spin_unlock_irqrestore(&data_lock, flags);
-                goto out;
+                goto err;
         }
 
         mp->enabled = true;
@@ -1006,6 +1005,13 @@ void dss_mgr_enable(struct omap_overlay_manager *mgr)
 
 out:
         mutex_unlock(&apply_lock);
+
+        return 0;
+
+err:
+        spin_unlock_irqrestore(&data_lock, flags);
+        mutex_unlock(&apply_lock);
+        return r;
 }
 
 void dss_mgr_disable(struct omap_overlay_manager *mgr)
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 6fce3108c060..45b724ae04fe 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -170,7 +170,7 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
 void dss_mgr_start_update(struct omap_overlay_manager *mgr);
 int omap_dss_mgr_apply(struct omap_overlay_manager *mgr);
 
-void dss_mgr_enable(struct omap_overlay_manager *mgr);
+int dss_mgr_enable(struct omap_overlay_manager *mgr);
 void dss_mgr_disable(struct omap_overlay_manager *mgr);
 int dss_mgr_set_info(struct omap_overlay_manager *mgr,
                 struct omap_overlay_manager_info *info);