WSL2-Linux-Kernel/drivers/mtd/maps/map_funcs.c

45 строки
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* 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");