drivers/mtd/maps/map_funcs.c

   1 /*
   2  * $Id: map_funcs.c,v 1.10 2005/06/06 23:04:36 tpoynor Exp $
   3  *
   4  * Out-of-line map I/O functions for simple maps when CONFIG_COMPLEX_MAPPINGS
   5  * is enabled.
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/module.h>
  10
  11 #include <linux/mtd/map.h>
  12 #include <linux/mtd/xip.h>
  13
  14 static map_word __xipram simple_map_read(struct map_info *map, unsigned long ofs)
  15 {
  16         return inline_map_read(map, ofs);
  17 }
  18
  19 static void __xipram simple_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
  20 {
  21         inline_map_write(map, datum, ofs);
  22 }
  23
  24 static void __xipram simple_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
  25 {
  26         inline_map_copy_from(map, to, from, len);
  27 }
  28
  29 static void __xipram simple_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
  30 {
  31         inline_map_copy_to(map, to, from, len);
  32 }
  33
  34 void simple_map_init(struct map_info *map)
  35 {
  36         BUG_ON(!map_bankwidth_supported(map->bankwidth));
  37
  38         map->read = simple_map_read;
  39         map->write = simple_map_write;
  40         map->copy_from = simple_map_copy_from;
  41         map->copy_to = simple_map_copy_to;
  42 }
  43
  44 EXPORT_SYMBOL(simple_map_init);
  45 MODULE_LICENSE("GPL");