diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-09 13:23:31 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-10 10:24:03 +0100 |
| commit | 6e6ace00a045251bd172b9b9c2379857bbff3dc7 (patch) | |
| tree | 63a4d6686b3955ca16e7727883445209de67074b /drivers/base/regmap/regcache-indexed.c | |
| parent | f094fea68f0575286c55c06141cc89ffd0049024 (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-indexed.c')
| -rw-r--r-- | drivers/base/regmap/regcache-indexed.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/base/regmap/regcache-indexed.c b/drivers/base/regmap/regcache-indexed.c index 2e10bb13bfc4..507731ad8ec1 100644 --- a/drivers/base/regmap/regcache-indexed.c +++ b/drivers/base/regmap/regcache-indexed.c @@ -20,11 +20,10 @@ static int regcache_indexed_read(struct regmap *map, unsigned int reg, int ret; ret = regcache_lookup_reg(map, reg); - if (ret < 0) - *value = 0; - else + if (ret >= 0) *value = map->reg_defaults[ret].def; - return 0; + + return ret; } static int regcache_indexed_write(struct regmap *map, unsigned int reg, |