1 /*
2 * Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS
3 * is enabled.
4 */
5
6 #include <linux/kernel.h>
7 #include <linux/module.h>
8
9 #include <linux/mtd/map.h>
10 #include <linux/mtd/xip.h>
11
simple_map_read(struct map_info * map,unsigned long ofs)12 static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs)
13 {
14 return inline_map_read(map, ofs);
15 }
16
simple_map_write(struct map_info * map,const map_word datum,unsigned long ofs)17 static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
18 {
19 inline_map_write(map, datum, ofs);
20 }
21
simple_map_copy_from(struct map_info * map,void * to,unsigned long from,ssize_t len)22 static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
23 {
24 inline_map_copy_from(map, to, from, len);
25 }
26
simple_map_copy_to(struct map_info * map,unsigned long to,const void * from,ssize_t len)27 static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
28 {
29 inline_map_copy_to(map, to, from, len);
30 }
31
simple_map_init(struct map_info * map)32 void simple_map_init(struct map_info *map)
33 {
34 BUG_ON(!map_bankwidth_supported(map->bankwidth));
35
36 map->read = simple_map_read;
37 map->write = simple_map_write;
38 map->copy_from = simple_map_copy_from;
39 map->copy_to = simple_map_copy_to;
40 }
41
42 EXPORT_SYMBOL(simple_map_init);
43 MODULE_LICENSE("GPL");
44