summaryrefslogtreecommitdiff
path: root/drivers/staging/tidspbridge
diff options
context:
space:
mode:
authorVíctor Manuel Jáquez Leal <vjaquez@igalia.com>2012-03-09 01:03:47 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-09 13:21:07 -0800
commitd071c0e9cad589a42a6c1739b088acb9d4724481 (patch)
tree08b22de91a340e6d9740a7c1824f334aea255bca /drivers/staging/tidspbridge
parenta71aa396eec042606b9722745d4aa4159bde2e87 (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/tidspbridge')
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dmm.h4
-rw-r--r--drivers/staging/tidspbridge/pmgr/dev.c6
-rw-r--r--drivers/staging/tidspbridge/pmgr/dmm.c32
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