blob: 9105e6ca0aa61de3be27f9063464e1c3372a9a25 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Todd Poynor02b15e32005-06-07 00:04:39 +01002 * $Id: map_funcs.c,v 1.10 2005/06/06 23:04:36 tpoynor Exp $
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS
5 * is enabled.
6 */
7
8#include <linux/kernel.h>
9#include <linux/module.h>
10
11#include <linux/mtd/map.h>
Todd Poynor02b15e32005-06-07 00:04:39 +010012#include <linux/mtd/xip.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070013
Todd Poynor02b15e32005-06-07 00:04:39 +010014static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs)
Linus Torvalds1da177e2005-04-16 15:20:36 -070015{
16 return inline_map_read(map, ofs);
17}
18
Todd Poynor02b15e32005-06-07 00:04:39 +010019static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
Linus Torvalds1da177e2005-04-16 15:20:36 -070020{
21 inline_map_write(map, datum, ofs);
22}
23
Todd Poynor02b15e32005-06-07 00:04:39 +010024static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
Linus Torvalds1da177e2005-04-16 15:20:36 -070025{
26 inline_map_copy_from(map, to, from, len);
27}
28
Todd Poynor02b15e32005-06-07 00:04:39 +010029static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
Linus Torvalds1da177e2005-04-16 15:20:36 -070030{
31 inline_map_copy_to(map, to, from, len);
32}
33
34void simple_map_init(struct map_info *map)
35{
36 BUG_ON(!map_bankwidth_supported(map->bankwidth));
37
38 map->read = simple_map_read;
39 map->write = simple_map_write;
40 map->copy_from = simple_map_copy_from;
41 map->copy_to = simple_map_copy_to;
42}
43
44EXPORT_SYMBOL(simple_map_init);
45MODULE_LICENSE("GPL");