diff options
Diffstat (limited to 'include/linux/mtd/map.h')
| -rw-r--r-- | include/linux/mtd/map.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index 115b14a634d..dd36d9433f0 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -1,6 +1,6 @@ /* Overhauled routines for dealing with different mmap regions of flash */ -/* $Id: map.h,v 1.48 2005/02/16 15:54:59 nico Exp $ */ +/* $Id: map.h,v 1.49 2005/05/24 18:45:15 gleixner Exp $ */ #ifndef __LINUX_MTD_MAP_H__ #define __LINUX_MTD_MAP_H__ @@ -340,13 +340,22 @@ static inline map_word map_word_load_partial(struct map_info *map, map_word orig return orig; } +#if BITS_PER_LONG < 64 +#define MAP_FF_LIMIT 4 +#else +#define MAP_FF_LIMIT 8 +#endif + static inline map_word map_word_ff(struct map_info *map) { map_word r; int i; - - for (i=0; i<map_words(map); i++) { - r.x[i] = ~0UL; + + if (map_bank_width(map) < MAP_FF_LIMIT) { + r.x[0] = (1 << (8*map_bank_width(map))) - 1; + } else { + for (i=0; i<map_words(map); i++) + r.x[i] = ~0UL; } return r; } |