From 9d11c321a84266db2dba82cfb0d9d3bc17c326a8 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Fri, 18 Nov 2011 12:38:38 +0200 Subject: [PATCH] OMAPDSS: Add comments about blocking of ovl/mgr functions Add comments specifying what ovl/mgr functions may block. Signed-off-by: Tomi Valkeinen --- include/video/omapdss.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 98fc0267dd9e..39862b8c9805 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -384,6 +384,17 @@ struct omap_overlay { /* dynamic fields */ struct omap_overlay_manager *manager; + /* + * The following functions do not block: + * + * is_enabled + * set_overlay_info + * get_overlay_info + * + * The rest of the functions may block and cannot be called from + * interrupt context + */ + int (*enable)(struct omap_overlay *ovl); int (*disable)(struct omap_overlay *ovl); bool (*is_enabled)(struct omap_overlay *ovl); @@ -426,6 +437,17 @@ struct omap_overlay_manager { /* dynamic fields */ struct omap_dss_device *device; + /* + * The following functions do not block: + * + * set_manager_info + * get_manager_info + * apply + * + * The rest of the functions may block and cannot be called from + * interrupt context + */ + int (*set_device)(struct omap_overlay_manager *mgr, struct omap_dss_device *dssdev); int (*unset_device)(struct omap_overlay_manager *mgr); -- 2.30.2