From: Mark Brown Date: Mon, 5 Mar 2012 23:31:39 +0000 (+0000) Subject: regcache: Make sure we sync register 0 in an rbtree cache X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=994f5db65ef4b83db0321842bd43c6bc0a51f000;p=linux-beck.git 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 --- diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 32620c4f1683..861ad2c81dff 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -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;