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staging: tidspbridge: remove node_init() and node_exit()

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The node module has a node_init() and a node_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>
This commit is contained in:
Víctor Manuel Jáquez Leal 2012-03-09 01:03:39 +01:00 committed by Greg Kroah-Hartman
parent 02a63f9dbc
commit 18ff159260
4 changed files with 1 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/staging/tidspbridge/include/dspbridge/node.h
View File

@ -47,7 +47,6 @@
* -EPERM: A failure occurred, unable to allocate node.
* -EBADR: Proccessor is not in the running state.
* Requires:
* node_init(void) called.
* hprocessor != NULL.
* node_uuid != NULL.
* noderes != NULL.
@ -81,7 +80,6 @@ extern int node_allocate(struct proc_object *hprocessor,
* -EPERM: General Failure.
* -EINVAL: Invalid Size.
* Requires:
* node_init(void) called.
* pbuffer != NULL.
* Ensures:
*/
@ -106,7 +104,6 @@ extern int node_alloc_msg_buf(struct node_object *hnode,
* or NODE_RUNNING state.
* -ETIME: A timeout occurred before the DSP responded.
* Requires:
* node_init(void) called.
* Ensures:
* 0 && (Node's current priority == prio)
*/
@ -157,7 +154,6 @@ extern int node_change_priority(struct node_object *hnode, s32 prio);
* Device node to device node, or device node to
* GPP), the two nodes are on different DSPs.
* Requires:
* node_init(void) called.
* Ensures:
*/
extern int node_connect(struct node_object *node1,
@ -185,7 +181,6 @@ extern int node_connect(struct node_object *node1,
* -ETIME: A timeout occurred before the DSP responded.
* -EPERM: A failure occurred, unable to create node.
* Requires:
* node_init(void) called.
* Ensures:
*/
extern int node_create(struct node_object *hnode);
@ -206,7 +201,6 @@ extern int node_create(struct node_object *hnode);
* -ENOMEM: Insufficient memory for requested resources.
* -EPERM: General failure.
* Requires:
* node_init(void) called.
* node_man != NULL.
* hdev_obj != NULL.
* Ensures:
@ -234,7 +228,6 @@ extern int node_create_mgr(struct node_mgr **node_man,
* -EPERM: A failure occurred in deleting the node.
* -ESPIPE: Delete function not found in the COFF file.
* Requires:
* node_init(void) called.
* Ensures:
* 0: hnode is invalid.
*/
@ -250,7 +243,6 @@ extern int node_delete(struct node_res_object *noderes,
* Returns:
* 0: Success.
* Requires:
* node_init(void) called.
* Valid hnode_mgr.
* Ensures:
*/
@ -286,20 +278,6 @@ extern int node_enum_nodes(struct node_mgr *hnode_mgr,
u32 *pu_num_nodes,
u32 *pu_allocated);
/*
* ======== node_exit ========
* Purpose:
* Discontinue usage of NODE module.
* Parameters:
* Returns:
* Requires:
* node_init(void) successfully called before.
* Ensures:
* Any resources acquired in node_init(void) will be freed when last NODE
* client calls node_exit(void).
*/
extern void node_exit(void);
/*
* ======== node_free_msg_buf ========
* Purpose:
@ -313,7 +291,6 @@ extern void node_exit(void);
* -EFAULT: Invalid node handle.
* -EPERM: Failure to free the buffer.
* Requires:
* node_init(void) called.
* pbuffer != NULL.
* Ensures:
*/
@ -336,7 +313,6 @@ extern int node_free_msg_buf(struct node_object *hnode,
* 0: Success.
* -EFAULT: Invalid hnode.
* Requires:
* node_init(void) called.
* pattr != NULL.
* Ensures:
* 0: *pattrs contains the node's current attributes.
@ -363,7 +339,6 @@ extern int node_get_attr(struct node_object *hnode,
* Error occurred while trying to retrieve a message.
* -ETIME: Timeout occurred and no message is available.
* Requires:
* node_init(void) called.
* message != NULL.
* Ensures:
*/
@ -385,17 +360,6 @@ extern int node_get_message(struct node_object *hnode,
extern int node_get_nldr_obj(struct node_mgr *hnode_mgr,
struct nldr_object **nldr_ovlyobj);
/*
* ======== node_init ========
* Purpose:
* Initialize the NODE module.
* Parameters:
* Returns:
* TRUE if initialization succeeded, FALSE otherwise.
* Ensures:
*/
extern bool node_init(void);
/*
* ======== node_on_exit ========
* Purpose:
@ -425,7 +389,6 @@ void node_on_exit(struct node_object *hnode, s32 node_status);
* -ETIME: A timeout occurred before the DSP responded.
* DSP_EWRONGSTSATE: Node is not in NODE_RUNNING state.
* Requires:
* node_init(void) called.
* Ensures:
*/
extern int node_pause(struct node_object *hnode);
@ -449,7 +412,6 @@ extern int node_pause(struct node_object *hnode);
* -ETIME: Timeout occurred before message could be set.
* -EBADR: Node is in invalid state for sending messages.
* Requires:
* node_init(void) called.
* pmsg != NULL.
* Ensures:
*/
@ -473,7 +435,6 @@ extern int node_put_message(struct node_object *hnode,
* -ENOSYS: Notification type specified by notify_type is not
* supported.
* Requires:
* node_init(void) called.
* hnotification != NULL.
* Ensures:
*/
@ -500,7 +461,6 @@ extern int node_register_notify(struct node_object *hnode,
* DSP_EWRONGSTSATE: Node is not in NODE_PAUSED or NODE_CREATED state.
* -ESPIPE: Execute function not found in the COFF file.
* Requires:
* node_init(void) called.
* Ensures:
*/
extern int node_run(struct node_object *hnode);
@ -523,7 +483,6 @@ extern int node_run(struct node_object *hnode);
* Unable to terminate the node.
* -EBADR: Operation not valid for the current node state.
* Requires:
* node_init(void) called.
* pstatus != NULL.
* Ensures:
*/

1
drivers/staging/tidspbridge/include/dspbridge/nodepriv.h
View File

@ -96,7 +96,6 @@ struct node_createargs {
* -EINVAL: The node's stream corresponding to index and dir
* is not a stream to or from the host.
* Requires:
* node_init(void) called.
* Valid dir.
* chan_id != NULL.
* Ensures:

7
drivers/staging/tidspbridge/pmgr/dspapi.c
View File

@ -273,7 +273,6 @@ void api_exit(void)
io_exit();
strm_exit();
disp_exit();
node_exit();
mgr_exit();
rmm_exit();
}
@ -288,12 +287,11 @@ bool api_init(void)
{
bool ret = true;
bool fdev, fchnl, fmsg, fio;
bool fmgr, fnode, fdisp, fstrm, frmm;
bool fmgr, fdisp, fstrm, frmm;
if (api_c_refs == 0) {
/* initialize driver and other modules */
fmgr = mgr_init();
fnode = node_init();
fdisp = disp_init();
fstrm = strm_init();
frmm = rmm_init();
@ -311,9 +309,6 @@ bool api_init(void)
if (fstrm)
strm_exit();
if (fnode)
node_exit();
if (fdisp)
disp_exit();

24
drivers/staging/tidspbridge/rmgr/node.c
View File

@ -261,8 +261,6 @@ static u32 ovly(void *priv_ref, u32 dsp_run_addr, u32 dsp_load_addr,
static u32 mem_write(void *priv_ref, u32 dsp_add, void *pbuf,
u32 ul_num_bytes, u32 mem_space);
static u32 refs; /* module reference count */
/* Dynamic loader functions. */
static struct node_ldr_fxns nldr_fxns = {
nldr_allocate,
@ -1568,16 +1566,6 @@ func_end:
return status;
}
/*
* ======== node_exit ========
* Purpose:
* Discontinue usage of NODE module.
*/
void node_exit(void)
{
refs--;
}
/*
* ======== node_free_msg_buf ========
* Purpose:
@ -1851,18 +1839,6 @@ enum node_type node_get_type(struct node_object *hnode)
return node_type;
}
/*
* ======== node_init ========
* Purpose:
* Initialize the NODE module.
*/
bool node_init(void)
{
refs++;
return true;
}
/*
* ======== node_on_exit ========
* Purpose: