regmap: Allow caches for devices with no defaults

[pandora-kernel.git] / drivers / base / regmap / regcache.c

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 409abd2..afcfef8 100644 (file)
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -119,7 +119,7 @@ int regcache_init(struct regmap *map)
                if (!tmp_buf)
                        return -ENOMEM;
                map->reg_defaults = tmp_buf;
-       } else {
+       } else if (map->num_reg_defaults_raw) {
                /* Some devices such as PMICs don't have cache defaults,
                 * we cope with this by reading back the HW registers and
                 * crafting the cache defaults by hand.