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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-09 13:23:31 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-10 10:24:03 +0100
commit6e6ace00a045251bd172b9b9c2379857bbff3dc7 (patch)
tree63a4d6686b3955ca16e7727883445209de67074b /drivers/base/regmap/regcache.c
parentf094fea68f0575286c55c06141cc89ffd0049024 (diff)
regmap: Return a sensible error code if we fail to read the cache
If a register isn't cached then let callers know that so they can fall back or error handle appropriately. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/base/regmap/regcache.c')
-rw-r--r--drivers/base/regmap/regcache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index c5379c86de88..409abd282c6c 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -378,7 +378,7 @@ int regcache_lookup_reg(struct regmap *map, unsigned int reg)
if (r)
return r - map->reg_defaults;
else
- return -1;
+ return -ENOENT;
}
int regcache_insert_reg(struct regmap *map, unsigned int reg,