drm/sti: fix compositor debugfs creation

Fix typo and issue while creating the vid and mixer debugfs entries.

Signed-off-by: Vincent Abriou <[e-mail]>
Acked-by: Benjamin Gaignard <[e-mail]>

drivers/gpu/drm/sti/sti_compositor.c

···
 	},
 };
 
-int sti_compositor_debufs_init(struct sti_compositor *compo,
-			       struct drm_minor *minor)
+int sti_compositor_debugfs_init(struct sti_compositor *compo,
+				struct drm_minor *minor)
 {
-	int ret = 0, i;
+	unsigned int i;
 
-	for (i = 0; compo->vid[i]; i++) {
-		ret = vid_debugfs_init(compo->vid[i], minor);
-		if (ret)
-			return ret;
-	}
+	for (i = 0; i < STI_MAX_VID; i++)
+		if (compo->vid[i])
+			vid_debugfs_init(compo->vid[i], minor);
 
-	for (i = 0; compo->mixer[i]; i++) {
-		ret = sti_mixer_debugfs_init(compo->mixer[i], minor);
-		if (ret)
-			return ret;
-	}
+	for (i = 0; i < STI_MAX_MIXER; i++)
+		if (compo->mixer[i])
+			sti_mixer_debugfs_init(compo->mixer[i], minor);
 
 	return 0;
 }

drivers/gpu/drm/sti/sti_compositor.h

···
 	struct notifier_block vtg_vblank_nb[STI_MAX_MIXER];
 };
 
-int sti_compositor_debufs_init(struct sti_compositor *compo,
-			       struct drm_minor *minor);
+int sti_compositor_debugfs_init(struct sti_compositor *compo,
+				struct drm_minor *minor);
 
 #endif

drivers/gpu/drm/sti/sti_crtc.c

···
 	struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
 
 	if (drm_crtc_index(crtc) == 0)
-		return sti_compositor_debufs_init(compo, crtc->dev->primary);
+		return sti_compositor_debugfs_init(compo, crtc->dev->primary);
 
 	return 0;
 }