* [PATCH] regcache: Make sure we sync register 0 in an rbtree cache
@ 2012-03-05 23:32 Mark Brown
0 siblings, 0 replies; only message in thread
From: Mark Brown @ 2012-03-05 23:32 UTC (permalink / raw)
To: linux-kernel; +Cc: patches, Mark Brown
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>
---
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 313c20f..8d51916 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;
--
1.7.9.1
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