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A simple bug that's been lurking for a while but not terribly visible 

since a high proportion of chips have no register 0 so the normal
 failure is that we end up doing a bit of extra I/O.
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Merge tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull a single regmap fix from Mark Brown:
 "A simple bug that's been lurking for a while but not terribly visible
  since a high proportion of chips have no register 0 so the normal
  failure is that we end up doing a bit of extra I/O."

* tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: rbtree: Fix register default look-up in sync
This commit is contained in:
Linus Torvalds 2012-04-04 10:10:14 -07:00
parent 4a1e8ebc5e 4b4e9e43fd
commit 3ff8f932bc
1 changed files with 1 additions and 1 deletions
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2
drivers/base/regmap/regcache-rbtree.c
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@ -396,7 +396,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
map->cache_word_size);
/* Is this the hardware default? If so skip. */
ret = regcache_lookup_reg(map, i);
ret = regcache_lookup_reg(map, regtmp);
if (ret >= 0 && val == map->reg_defaults[ret].def)
continue;