regulator: tps62360: enable register cache

Enable cache of device register using regmap cache RBTREE.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index 20fef1d6cf9..e8930805c52 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -262,8 +262,10 @@ static int tps62360_init_dcdc(struct tps62360_chip *tps,
 }
 
 static const struct regmap_config tps62360_regmap_config = {
-        .reg_bits = 8,
-        .val_bits = 8,
+        .reg_bits               = 8,
+        .val_bits               = 8,
+        .max_register           = REG_CHIPID,
+        .cache_type             = REGCACHE_RBTREE,
 };
 
 static int __devinit tps62360_probe(struct i2c_client *client,