1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS |
4 | * is enabled. |
5 | */ |
6 | |
7 | #include <linux/kernel.h> |
8 | #include <linux/module.h> |
9 | |
10 | #include <linux/mtd/map.h> |
11 | #include <linux/mtd/xip.h> |
12 | |
13 | static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs) |
14 | { |
15 | return inline_map_read(map, ofs); |
16 | } |
17 | |
18 | static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs) |
19 | { |
20 | inline_map_write(map, datum, ofs); |
21 | } |
22 | |
23 | static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) |
24 | { |
25 | inline_map_copy_from(map, to, from, len); |
26 | } |
27 | |
28 | static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) |
29 | { |
30 | inline_map_copy_to(map, to, from, len); |
31 | } |
32 | |
33 | void simple_map_init(struct map_info *map) |
34 | { |
35 | BUG_ON(!map_bankwidth_supported(map->bankwidth)); |
36 | |
37 | map->read = simple_map_read; |
38 | map->write = simple_map_write; |
39 | map->copy_from = simple_map_copy_from; |
40 | map->copy_to = simple_map_copy_to; |
41 | } |
42 | |
43 | EXPORT_SYMBOL(simple_map_init); |
44 | MODULE_LICENSE("GPL" ); |
45 | |