staging: tidspbridge: remove cod_init() and cod_exit()

The cod module has a cod_init() and a cod_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>

4 files changed, 3 insertions, 79 deletions

diff --git a/drivers/staging/tidspbridge/include/dspbridge/cod.h b/drivers/staging/tidspbridge/include/dspbridge/cod.h
index cb684c11b302..ba2005d02422 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/cod.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/cod.h
@@ -100,21 +100,6 @@ extern int cod_create(struct cod_manager **mgr,
 extern void cod_delete(struct cod_manager *cod_mgr_obj);
 
 /*
- *  ======== cod_exit ========
- *  Purpose:
- *      Discontinue usage of the COD module.
- *  Parameters:
- *      None.
- *  Returns:
- *      None.
- *  Requires:
- *      COD initialized.
- *  Ensures:
- *      Resources acquired in cod_init(void) are freed.
- */
-extern void cod_exit(void);
-
-/*
  *  ======== cod_get_base_lib ========
  *  Purpose:
  *      Get handle to the base image DBL library.
@@ -243,20 +228,6 @@ extern int cod_get_sym_value(struct cod_manager *cod_mgr_obj,
 				    char *str_sym, u32 * pul_value);
 
 /*
- *  ======== cod_init ========
- *  Purpose:
- *      Initialize the COD module's private state.
- *  Parameters:
- *      None.
- *  Returns:
- *      TRUE if initialized; FALSE if error occurred.
- *  Requires:
- *  Ensures:
- *      A requirement for each of the other public COD functions.
- */
-extern bool cod_init(void);
-
-/*
  *  ======== cod_load_base ========
  *  Purpose:
  *      Load the initial program image, optionally with command-line arguments,
diff --git a/drivers/staging/tidspbridge/pmgr/cod.c b/drivers/staging/tidspbridge/pmgr/cod.c
index d01fb8e364b2..4007826f7abc 100644
--- a/drivers/staging/tidspbridge/pmgr/cod.c
+++ b/drivers/staging/tidspbridge/pmgr/cod.c
@@ -58,8 +58,6 @@ struct cod_libraryobj {
 	struct cod_manager *cod_mgr;
 };
 
-static u32 refs = 0L;
-
 static struct dbll_fxns ldr_fxns = {
 	(dbll_close_fxn) dbll_close,
 	(dbll_create_fxn) dbll_create,
@@ -268,17 +266,6 @@ void cod_delete(struct cod_manager *cod_mgr_obj)
 }
 
 /*
- *  ======== cod_exit ========
- *  Purpose:
- *      Discontinue usage of the COD module.
- *
- */
-void cod_exit(void)
-{
-	refs--;
-}
-
-/*
  *  ======== cod_get_base_lib ========
  *  Purpose:
  *      Get handle to the base image DBL library.
@@ -395,22 +382,6 @@ int cod_get_sym_value(struct cod_manager *cod_mgr_obj, char *str_sym,
 }
 
 /*
- *  ======== cod_init ========
- *  Purpose:
- *      Initialize the COD module's private state.
- *
- */
-bool cod_init(void)
-{
-	bool ret = true;
-
-	if (ret)
-		refs++;
-
-	return ret;
-}
-
-/*
  *  ======== cod_load_base ========
  *  Purpose:
  *      Load the initial program image, optionally with command-line arguments,
diff --git a/drivers/staging/tidspbridge/pmgr/dspapi.c b/drivers/staging/tidspbridge/pmgr/dspapi.c
index dcf1dabcfc26..971e8390a2e6 100644
--- a/drivers/staging/tidspbridge/pmgr/dspapi.c
+++ b/drivers/staging/tidspbridge/pmgr/dspapi.c
@@ -267,7 +267,6 @@ void api_exit(void)
 
 	if (api_c_refs == 0) {
 		/* Release all modules initialized in api_init(). */
-		cod_exit();
 		dev_exit();
 		chnl_exit();
 		msg_exit();
@@ -289,7 +288,7 @@ void api_exit(void)
 bool api_init(void)
 {
 	bool ret = true;
-	bool fdev, fcod, fchnl, fmsg, fio;
+	bool fdev, fchnl, fmsg, fio;
 	bool fmgr, fproc, fnode, fdisp, fstrm, frmm;
 
 	if (api_c_refs == 0) {
@@ -304,8 +303,7 @@ bool api_init(void)
 		fmsg = msg_mod_init();
 		fio = io_init();
 		fdev = dev_init();
-		fcod = cod_init();
-		ret = fdev && fchnl && fcod && fmsg && fio;
+		ret = fdev && fchnl && fmsg && fio;
 		ret = ret && fmgr && fproc && frmm;
 		if (!ret) {
 
@@ -336,9 +334,6 @@ bool api_init(void)
 			if (fdev)
 				dev_exit();
 
-			if (fcod)
-				cod_exit();
-
 			if (frmm)
 				rmm_exit();
 
diff --git a/drivers/staging/tidspbridge/rmgr/dbdcd.c b/drivers/staging/tidspbridge/rmgr/dbdcd.c
index 8378b7b2b666..12a1d34b3954 100644
--- a/drivers/staging/tidspbridge/rmgr/dbdcd.c
+++ b/drivers/staging/tidspbridge/rmgr/dbdcd.c
@@ -289,7 +289,6 @@ void dcd_exit(void)
 
 	refs--;
 	if (refs == 0) {
-		cod_exit();
 		list_for_each_entry_safe(rv, rv_tmp, &reg_key_list, link) {
 			list_del(&rv->link);
 			kfree(rv->path);
@@ -738,22 +737,10 @@ int dcd_get_library_name(struct dcd_manager *hdcd_mgr,
  */
 bool dcd_init(void)
 {
-	bool init_cod;
 	bool ret = true;
 
-	if (refs == 0) {
-		/* Initialize required modules. */
-		init_cod = cod_init();
-
-		if (!init_cod) {
-			ret = false;
-			/* Exit initialized modules. */
-			if (init_cod)
-				cod_exit();
-		}
-
+	if (refs == 0)
 		INIT_LIST_HEAD(&reg_key_list);
-	}
 
 	if (ret)
 		refs++;