drivers/mtd/maps/map_funcs.c

   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
  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
  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
  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
  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
  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");