44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
|
/*
|
||
|
|
* Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS
|
||
|
|
* is enabled.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
#include <linux/mtd/map.h>
|
||
|
|
#include <linux/mtd/xip.h>
|
||
|
|
|
||
|
|
static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs)
|
||
|
|
{
|
||
|
|
return inline_map_read(map, ofs);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
|
||
|
|
{
|
||
|
|
inline_map_write(map, datum, ofs);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
|
||
|
|
{
|
||
|
|
inline_map_copy_from(map, to, from, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
|
||
|
|
{
|
||
|
|
inline_map_copy_to(map, to, from, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
void simple_map_init(struct map_info *map)
|
||
|
|
{
|
||
|
|
BUG_ON(!map_bankwidth_supported(map->bankwidth));
|
||
|
|
|
||
|
|
map->read = simple_map_read;
|
||
|
|
map->write = simple_map_write;
|
||
|
|
map->copy_from = simple_map_copy_from;
|
||
|
|
map->copy_to = simple_map_copy_to;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXPORT_SYMBOL(simple_map_init);
|
||
|
|
MODULE_LICENSE("GPL");
|