ret = map->bus->write(map->bus_context, buf, len);
kfree(buf);
+ } else if (ret != 0 && !map->cache_bypass && map->format.parse_val) {
+ regcache_drop_region(map, reg, reg + 1);
}
trace_regmap_hw_write_done(map, reg, val_len / map->format.val_bytes);