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Subject[PATCH 04/17] staging: tidspbridge: remove node_init() and node_exit()
Date
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>
---
.../staging/tidspbridge/include/dspbridge/node.h | 41 --------------------
.../tidspbridge/include/dspbridge/nodepriv.h | 1 -
drivers/staging/tidspbridge/pmgr/dspapi.c | 7 +---
drivers/staging/tidspbridge/rmgr/node.c | 24 -----------
4 files changed, 1 insertions(+), 72 deletions(-)

diff --git a/drivers/staging/tidspbridge/include/dspbridge/node.h b/drivers/staging/tidspbridge/include/dspbridge/node.h
index 16371d8..7397b7a 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/node.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/node.h
@@ -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:
*/
@@ -287,20 +279,6 @@ extern int node_enum_nodes(struct node_mgr *hnode_mgr,
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:
* Free a message buffer previously allocated with node_alloc_msg_buf.
@@ -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:
*/
@@ -386,17 +361,6 @@ 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:
* Gets called when RMS_EXIT is received for a node. PROC needs to pass
@@ -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:
*/
diff --git a/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h
index 9c1e067..d5b54bb 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h
@@ -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:
diff --git a/drivers/staging/tidspbridge/pmgr/dspapi.c b/drivers/staging/tidspbridge/pmgr/dspapi.c
index 7c20a0f..a5f1f65 100644
--- a/drivers/staging/tidspbridge/pmgr/dspapi.c
+++ b/drivers/staging/tidspbridge/pmgr/dspapi.c
@@ -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();

diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c
index 1b24589..908cd1e 100644
--- a/drivers/staging/tidspbridge/rmgr/node.c
+++ b/drivers/staging/tidspbridge/rmgr/node.c
@@ -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,
@@ -1569,16 +1567,6 @@ func_end:
}

/*
- * ======== node_exit ========
- * Purpose:
- * Discontinue usage of NODE module.
- */
-void node_exit(void)
-{
- refs--;
-}
-
-/*
* ======== node_free_msg_buf ========
* Purpose:
* Frees the message buffer.
@@ -1852,18 +1840,6 @@ enum node_type node_get_type(struct node_object *hnode)
}

/*
- * ======== node_init ========
- * Purpose:
- * Initialize the NODE module.
- */
-bool node_init(void)
-{
- refs++;
-
- return true;
-}
-
-/*
* ======== node_on_exit ========
* Purpose:
* Gets called when RMS_EXIT is received for a node.
--
1.7.9.1
--
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