diff options
| author | Víctor Manuel Jáquez Leal <vjaquez@igalia.com> | 2012-03-09 01:03:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 13:21:07 -0800 |
| commit | d071c0e9cad589a42a6c1739b088acb9d4724481 (patch) | |
| tree | 08b22de91a340e6d9740a7c1824f334aea255bca /drivers/staging | |
| parent | a71aa396eec042606b9722745d4aa4159bde2e87 (diff) | |
staging: tidspbridge: remove dmm_init() and dmm_exit()
The dmm module has a dmm_init() and a dmm_exit() whose only purpose is
to keep a reference counting which is not used at all.
This patch removes these functions and the reference count variable.
There is no functional changes.
Signed-off-by: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dmm.h | 4 | ||||
| -rw-r--r-- | drivers/staging/tidspbridge/pmgr/dev.c | 6 | ||||
| -rw-r--r-- | drivers/staging/tidspbridge/pmgr/dmm.c | 32 |
3 files changed, 0 insertions, 42 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dmm.h b/drivers/staging/tidspbridge/include/dspbridge/dmm.h index 6c58335c5f60..c3487be8fcf5 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dmm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dmm.h @@ -61,10 +61,6 @@ extern int dmm_create(struct dmm_object **dmm_manager, struct dev_object *hdev_obj, const struct dmm_mgrattrs *mgr_attrts); -extern bool dmm_init(void); - -extern void dmm_exit(void); - extern int dmm_create_tables(struct dmm_object *dmm_mgr, u32 addr, u32 size); diff --git a/drivers/staging/tidspbridge/pmgr/dev.c b/drivers/staging/tidspbridge/pmgr/dev.c index 734d47ed9a80..c5e627ce8b8f 100644 --- a/drivers/staging/tidspbridge/pmgr/dev.c +++ b/drivers/staging/tidspbridge/pmgr/dev.c @@ -657,9 +657,6 @@ int dev_get_bridge_context(struct dev_object *hdev_obj, void dev_exit(void) { refs--; - - if (refs == 0) - dmm_exit(); } /* @@ -671,9 +668,6 @@ bool dev_init(void) { bool ret = true; - if (refs == 0) - dmm_init(); - if (ret) refs++; diff --git a/drivers/staging/tidspbridge/pmgr/dmm.c b/drivers/staging/tidspbridge/pmgr/dmm.c index 83faff885f1d..7c9f83916068 100644 --- a/drivers/staging/tidspbridge/pmgr/dmm.c +++ b/drivers/staging/tidspbridge/pmgr/dmm.c @@ -51,8 +51,6 @@ struct dmm_object { spinlock_t dmm_lock; /* Lock to access dmm mgr */ }; -/* ----------------------------------- Globals */ -static u32 refs; /* module reference count */ struct map_page { u32 region_size:15; u32 mapped_size:15; @@ -172,18 +170,6 @@ int dmm_delete_tables(struct dmm_object *dmm_mgr) } /* - * ======== dmm_exit ======== - * Purpose: - * Discontinue usage of module; free resources when reference count - * reaches 0. - */ -void dmm_exit(void) -{ - - refs--; -} - -/* * ======== dmm_get_handle ======== * Purpose: * Return the dynamic memory manager object for this device. @@ -206,24 +192,6 @@ int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager) } /* - * ======== dmm_init ======== - * Purpose: - * Initializes private state of DMM module. - */ -bool dmm_init(void) -{ - bool ret = true; - - if (ret) - refs++; - - virtual_mapping_table = NULL; - table_size = 0; - - return ret; -} - -/* * ======== dmm_map_memory ======== * Purpose: * Add a mapping block to the reserved chunk. DMM assumes that this block |