diff options
Diffstat (limited to 'drivers/base/regmap/regmap.c')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 6a19515f8a45..b897c1a88b56 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1736,6 +1736,9 @@ static int _regmap_read(struct regmap *map, unsigned int reg, if (map->cache_only) return -EBUSY; + if (!regmap_readable(map, reg)) + return -EIO; + ret = map->reg_read(context, reg, val); if (ret == 0) { #ifdef LOG_DEVICE |