diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-05 23:31:39 +0000 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-04-15 13:55:57 -0700 |
| commit | 09edfe9871ca92f045399e74d2feed7a39e66539 (patch) | |
| tree | 70f4a605c2571480b094feaeec976381cc41b743 /drivers/base/regmap | |
| parent | b547909ecdc32049dcd63fbbf034bb64a357625a (diff) | |
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>
(cherry picked from commit 994f5db65ef4b83db0321842bd43c6bc0a51f000)
Change-Id: Iaada5ae8ba705f45049eb1c85a1909a9f192f765
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/96493
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'drivers/base/regmap')
| -rw-r--r-- | drivers/base/regmap/regcache-rbtree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index bae183c6bcb1..c9dcff3b9605 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -396,7 +396,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min, /* 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; |