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

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>

3 files changed, 2 insertions, 64 deletions

diff --git a/drivers/staging/tidspbridge/include/dspbridge/chnl.h b/drivers/staging/tidspbridge/include/dspbridge/chnl.h
index 92f6a13424f..9b018b1f9bf 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/chnl.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/chnl.h
@@ -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_ */
diff --git a/drivers/staging/tidspbridge/pmgr/chnl.c b/drivers/staging/tidspbridge/pmgr/chnl.c
index 825be200e27..4bd8686f235 100644
--- a/drivers/staging/tidspbridge/pmgr/chnl.c
+++ b/drivers/staging/tidspbridge/pmgr/chnl.c
@@ -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;
-}
diff --git a/drivers/staging/tidspbridge/pmgr/dspapi.c b/drivers/staging/tidspbridge/pmgr/dspapi.c
index 0a55465b625..5b9dcad7e4b 100644
--- a/drivers/staging/tidspbridge/pmgr/dspapi.c
+++ b/drivers/staging/tidspbridge/pmgr/dspapi.c
@@ -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();