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staging: tidspbridge: remove chnl_init() and chnl_exit()

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The chnl module has a chnl_init() and a chnl_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 01:03:43 +01:00 committed by Greg Kroah-Hartman
parent 974f9cd50a
commit 9658a54dfa
3 changed files with 2 additions and 64 deletions
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29
drivers/staging/tidspbridge/include/dspbridge/chnl.h
View File

@ -48,7 +48,6 @@
* -ECHRNG: This manager cannot handle this many channels.
* -EEXIST: Channel manager already exists for this device.
* Requires:
* chnl_init(void) called.
* channel_mgr != NULL.
* mgr_attrts != NULL.
* Ensures:
@ -70,7 +69,6 @@ extern int chnl_create(struct chnl_mgr **channel_mgr,
* 0: Success.
* -EFAULT: hchnl_mgr was invalid.
* Requires:
* chnl_init(void) called.
* Ensures:
* 0: Cancels I/O on each open channel.
* Closes each open channel.
@ -79,31 +77,4 @@ extern int chnl_create(struct chnl_mgr **channel_mgr,
*/
extern int chnl_destroy(struct chnl_mgr *hchnl_mgr);
/*
* ======== chnl_exit ========
* Purpose:
* Discontinue usage of the CHNL module.
* Parameters:
* Returns:
* Requires:
* chnl_init(void) previously called.
* Ensures:
* Resources, if any acquired in chnl_init(void), are freed when the last
* client of CHNL calls chnl_exit(void).
*/
extern void chnl_exit(void);
/*
* ======== chnl_init ========
* Purpose:
* Initialize the CHNL module's private state.
* Parameters:
* Returns:
* TRUE if initialized; FALSE if error occurred.
* Requires:
* Ensures:
* A requirement for each of the other public CHNL functions.
*/
extern bool chnl_init(void);
#endif /* CHNL_ */

28
drivers/staging/tidspbridge/pmgr/chnl.c
View File

@ -38,9 +38,6 @@
/* ----------------------------------- This */
#include <dspbridge/chnl.h>
/* ----------------------------------- Globals */
static u32 refs;
/*
* ======== chnl_create ========
* Purpose:
@ -116,28 +113,3 @@ int chnl_destroy(struct chnl_mgr *hchnl_mgr)
return status;
}
/*
* ======== chnl_exit ========
* Purpose:
* Discontinue usage of the CHNL module.
*/
void chnl_exit(void)
{
refs--;
}
/*
* ======== chnl_init ========
* Purpose:
* Initialize the CHNL module's private state.
*/
bool chnl_init(void)
{
bool ret = true;
if (ret)
refs++;
return ret;
}

9
drivers/staging/tidspbridge/pmgr/dspapi.c
View File

@ -268,7 +268,6 @@ void api_exit(void)
if (api_c_refs == 0) {
/* Release all modules initialized in api_init(). */
dev_exit();
chnl_exit();
msg_exit();
io_exit();
mgr_exit();
@ -283,26 +282,22 @@ void api_exit(void)
bool api_init(void)
{
bool ret = true;
bool fdev, fchnl, fmsg, fio;
bool fdev, fmsg, fio;
bool fmgr;
if (api_c_refs == 0) {
/* initialize driver and other modules */
fmgr = mgr_init();
fchnl = chnl_init();
fmsg = msg_mod_init();
fio = io_init();
fdev = dev_init();
ret = fdev && fchnl && fmsg && fio;
ret = fdev && fmsg && fio;
ret = ret && fmgr;
if (!ret) {
if (fmgr)
mgr_exit();
if (fchnl)
chnl_exit();
if (fmsg)
msg_exit();