diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regcache-lzo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache-lzo.c b/drivers/base/regmap/regcache-lzo.c index b7d16143ede..3025cf920f2 100644 --- a/drivers/base/regmap/regcache-lzo.c +++ b/drivers/base/regmap/regcache-lzo.c @@ -343,6 +343,12 @@ static int regcache_lzo_sync(struct regmap *map) ret = regcache_read(map, i, &val); if (ret) return ret; + + /* Is this the hardware default? If so skip. */ + ret = regcache_lookup_reg(map, i); + if (ret > 0 && val == map->reg_defaults[ret].def) + continue; + map->cache_bypass = 1; ret = _regmap_write(map, i, val); map->cache_bypass = 0; |