diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 43ffcc312b44..86cc34251ac5 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -34,12 +34,17 @@ static int regcache_hw_init(struct regmap *map) return -EINVAL; if (!map->reg_defaults_raw) { + u32 cache_bypass = map->cache_bypass; dev_warn(map->dev, "No cache defaults, reading back from HW\n"); + + /* Bypass the cache access till data read from HW*/ + map->cache_bypass = 1; tmp_buf = kmalloc(map->cache_size_raw, GFP_KERNEL); if (!tmp_buf) return -EINVAL; ret = regmap_bulk_read(map, 0, tmp_buf, map->num_reg_defaults_raw); + map->cache_bypass = cache_bypass; if (ret < 0) { kfree(tmp_buf); return ret; |