Commit d071c0e9 authored by Víctor Manuel Jáquez Leal's avatar Víctor Manuel Jáquez Leal Committed by Greg Kroah-Hartman
Browse files

staging: tidspbridge: remove dmm_init() and dmm_exit() 



The dmm module has a dmm_init() and a dmm_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: default avatarVíctor Manuel Jáquez Leal <vjaquez@igalia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a71aa396

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

+0 −4
Original line number Diff line number Diff line
@@ -61,10 +61,6 @@ extern int dmm_create(struct dmm_object **dmm_manager, 
			     struct dev_object *hdev_obj,

			     const struct dmm_mgrattrs *mgr_attrts);



extern bool dmm_init(void);



extern void dmm_exit(void);



extern int dmm_create_tables(struct dmm_object *dmm_mgr,

				    u32 addr, u32 size);

drivers/staging/tidspbridge/pmgr/dev.c

+0 −6
Original line number Diff line number Diff line
@@ -657,9 +657,6 @@ int dev_get_bridge_context(struct dev_object *hdev_obj, 
void dev_exit(void)

{

	refs--;



	if (refs == 0)

		dmm_exit();

}



/*
@@ -671,9 +668,6 @@ bool dev_init(void) 
{

	bool ret = true;



	if (refs == 0)

		dmm_init();



	if (ret)

		refs++;

drivers/staging/tidspbridge/pmgr/dmm.c

+0 −32
Original line number Diff line number Diff line
@@ -51,8 +51,6 @@ struct dmm_object { 
	spinlock_t dmm_lock;	/* Lock to access dmm mgr */

};



/*  ----------------------------------- Globals */

static u32 refs;		/* module reference count */

struct map_page {

	u32 region_size:15;

	u32 mapped_size:15;
@@ -171,18 +169,6 @@ int dmm_delete_tables(struct dmm_object *dmm_mgr) 
	return status;

}



/*

 *  ======== dmm_exit ========

 *  Purpose:

 *      Discontinue usage of module; free resources when reference count

 *      reaches 0.

 */

void dmm_exit(void)

{



	refs--;

}



/*

 *  ======== dmm_get_handle ========

 *  Purpose:
@@ -205,24 +191,6 @@ int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager) 
	return status;

}



/*

 *  ======== dmm_init ========

 *  Purpose:

 *      Initializes private state of DMM module.

 */

bool dmm_init(void)

{

	bool ret = true;



	if (ret)

		refs++;



	virtual_mapping_table = NULL;

	table_size = 0;



	return ret;

}



/*

 *  ======== dmm_map_memory ========

 *  Purpose:

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