These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / media / media-entity.h

diff --git a/kernel/include/media/media-entity.h b/kernel/include/media/media-entity.h
index 0c003d8..197f937 100644 (file)
--- a/kernel/include/media/media-entity.h
+++ b/kernel/include/media/media-entity.h
@@ -116,6 +116,13 @@ static inline u32 media_entity_subtype(struct media_entity *entity)
 #define MEDIA_ENTITY_ENUM_MAX_DEPTH    16
 #define MEDIA_ENTITY_ENUM_MAX_ID       64
 
+/*
+ * The number of pads can't be bigger than the number of entities,
+ * as the worse-case scenario is to have one entity linked up to
+ * MEDIA_ENTITY_ENUM_MAX_ID - 1 entities.
+ */
+#define MEDIA_ENTITY_MAX_PADS          (MEDIA_ENTITY_ENUM_MAX_ID - 1)
+
 struct media_entity_graph {
        struct {
                struct media_entity *entity;