map_funcs.c 1.1 KB

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