staging: tidspbridge: remove rmm_init() and rmm_exit()

The rmm module has a rmm_init() and a rmm_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>

drivers/staging/tidspbridge/include/dspbridge/rmm.h

@@ -114,18 +114,6 @@ extern int rmm_create(struct rmm_target_obj **target_obj,
  */
 extern void rmm_delete(struct rmm_target_obj *target);
 
-/*
- *  ======== rmm_exit ========
- *  Exit the RMM module
- *
- *  Parameters:
- *  Returns:
- *  Requires:
- *      rmm_init successfully called.
- *  Ensures:
- */
-extern void rmm_exit(void);
-
 /*
  *  ======== rmm_free ========
  *  Free or unreserve memory allocated through rmm_alloc().
@@ -147,19 +135,6 @@ extern void rmm_exit(void);
 extern bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr,
 		     u32 size, bool reserved);
 
-/*
- *  ======== rmm_init ========
- *  Initialize the RMM module
- *
- *  Parameters:
- *  Returns:
- *      TRUE:   Success.
- *      FALSE:  Failure.
- *  Requires:
- *  Ensures:
- */
-extern bool rmm_init(void);
-
 /*
  *  ======== rmm_stat ========
  *  Obtain  memory segment status

drivers/staging/tidspbridge/pmgr/dspapi.c

@@ -272,7 +272,6 @@ void api_exit(void)
 		msg_exit();
 		io_exit();
 		mgr_exit();
-		rmm_exit();
 	}
 }
 
@@ -285,18 +284,17 @@ bool api_init(void)
 {
 	bool ret = true;
 	bool fdev, fchnl, fmsg, fio;
-	bool fmgr, frmm;
+	bool fmgr;
 
 	if (api_c_refs == 0) {
 		/* initialize driver and other modules */
 		fmgr = mgr_init();
-		frmm = rmm_init();
 		fchnl = chnl_init();
 		fmsg = msg_mod_init();
 		fio = io_init();
 		fdev = dev_init();
 		ret = fdev && fchnl && fmsg && fio;
-		ret = ret && fmgr && frmm;
+		ret = ret && fmgr;
 		if (!ret) {
 
 			if (fmgr)
@@ -313,10 +311,6 @@ bool api_init(void)
 
 			if (fdev)
 				dev_exit();
-
-			if (frmm)
-				rmm_exit();
-
 		}
 	}
 	if (ret)

drivers/staging/tidspbridge/rmgr/nldr.c

@@ -628,9 +628,6 @@ void nldr_delete(struct nldr_object *nldr_obj)
 void nldr_exit(void)
 {
 	refs--;
-
-	if (refs == 0)
-		rmm_exit();
 }
 
 /*
@@ -746,9 +743,6 @@ int nldr_get_rmm_manager(struct nldr_object *nldr,
  */
 bool nldr_init(void)
 {
-	if (refs == 0)
-		rmm_init();
-
 	refs++;
 
 	return true;

drivers/staging/tidspbridge/rmgr/rmm.c

@@ -80,8 +80,6 @@ struct rmm_target_obj {
 	struct list_head ovly_list;	/* List of overlay memory in use */
 };
 
-static u32 refs;		/* module reference count */
-
 static bool alloc_block(struct rmm_target_obj *target, u32 segid, u32 size,
 			u32 align, u32 *dsp_address);
 static bool free_block(struct rmm_target_obj *target, u32 segid, u32 addr,
@@ -259,14 +257,6 @@ void rmm_delete(struct rmm_target_obj *target)
 	kfree(target);
 }
 
-/*
- *  ======== rmm_exit ========
- */
-void rmm_exit(void)
-{
-	refs--;
-}
-
 /*
  *  ======== rmm_free ========
  */
@@ -299,16 +289,6 @@ bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size,
 	return ret;
 }
 
-/*
- *  ======== rmm_init ========
- */
-bool rmm_init(void)
-{
-	refs++;
-
-	return true;
-}
-
 /*
  *  ======== rmm_stat ========
  */