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regcache: Make sure we sync register 0 in an rbtree cache 

Most of the current users have register 0 as a volatile register or don't
have a register 0 so it's not been apparent that it's not getting synced.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-03-05 23:31:39 +00:00
parent 19694b5ea1
commit 994f5db65e
1 changed files with 1 additions and 1 deletions
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2
drivers/base/regmap/regcache-rbtree.c
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@ -377,7 +377,7 @@ static int regcache_rbtree_sync(struct regmap *map)
/* Is this the hardware default? If so skip. */
ret = regcache_lookup_reg(map, i);
if (ret > 0 && val == map->reg_defaults[ret].def)
if (ret >= 0 && val == map->reg_defaults[ret].def)
continue;
map->cache_bypass = 1;