Add comments specifying what ovl/mgr functions may block.
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
---
include/video/omapdss.h | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 98fc026..39862b8 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);
--
1.7.4.1
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