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author | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-12-16 17:28:01 +0100 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-01-11 15:19:23 +0100 |
commit | 05b3b77cbbb01180b681bc9211f3d471123809ca (patch) | |
tree | 265735ae8ce898ec872e093afdc6847c70433c7f /include/media/media-entity.h | |
parent | [media] media-entity.h fix documentation for several parameters (diff) | |
download | linux-05b3b77cbbb01180b681bc9211f3d471123809ca.tar.xz linux-05b3b77cbbb01180b681bc9211f3d471123809ca.zip |
[media] media-device.h: use just one u32 counter for object ID
Instead of using one u32 counter per type for object IDs, use
just one counter. With such change, it makes sense to simplify
the debug logs too.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media/media-entity.h')
-rw-r--r-- | include/media/media-entity.h | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h index 855b47df6ed5..54be1496d542 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -47,8 +47,8 @@ enum media_gobj_type { }; #define MEDIA_BITS_PER_TYPE 8 -#define MEDIA_BITS_PER_LOCAL_ID (32 - MEDIA_BITS_PER_TYPE) -#define MEDIA_LOCAL_ID_MASK GENMASK(MEDIA_BITS_PER_LOCAL_ID - 1, 0) +#define MEDIA_BITS_PER_ID (32 - MEDIA_BITS_PER_TYPE) +#define MEDIA_ID_MASK GENMASK_ULL(MEDIA_BITS_PER_ID - 1, 0) /* Structs to represent the objects that belong to a media graph */ @@ -58,9 +58,8 @@ enum media_gobj_type { * @mdev: Pointer to the struct media_device that owns the object * @id: Non-zero object ID identifier. The ID should be unique * inside a media_device, as it is composed by - * MEDIA_BITS_PER_TYPE to store the type plus - * MEDIA_BITS_PER_LOCAL_ID to store a per-type ID - * (called as "local ID"). + * %MEDIA_BITS_PER_TYPE to store the type plus + * %MEDIA_BITS_PER_ID to store the ID * @list: List entry stored in one of the per-type mdev object lists * * All objects on the media graph should have this struct embedded @@ -299,20 +298,20 @@ static inline u32 media_entity_id(struct media_entity *entity) */ static inline enum media_gobj_type media_type(struct media_gobj *gobj) { - return gobj->id >> MEDIA_BITS_PER_LOCAL_ID; + return gobj->id >> MEDIA_BITS_PER_ID; } -static inline u32 media_localid(struct media_gobj *gobj) +static inline u32 media_id(struct media_gobj *gobj) { - return gobj->id & MEDIA_LOCAL_ID_MASK; + return gobj->id & MEDIA_ID_MASK; } -static inline u32 media_gobj_gen_id(enum media_gobj_type type, u32 local_id) +static inline u32 media_gobj_gen_id(enum media_gobj_type type, u64 local_id) { u32 id; - id = type << MEDIA_BITS_PER_LOCAL_ID; - id |= local_id & MEDIA_LOCAL_ID_MASK; + id = type << MEDIA_BITS_PER_ID; + id |= local_id & MEDIA_ID_MASK; return id; } |