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>

diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index 20fef1d..e893080 100644 (file)
--- 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,