regulator: Defer lookup of supply to regulator_get

Instead of resolving regulator supplies during registration move this to
the time of a consumer retrieving a handle. The benefit is that it's
possible for one driver to register regulators with internal
dependencies out of order.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index d4ad5b5a02bb..6d9fcd0c33d6 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -367,6 +367,7 @@ struct regulator_dev {
         struct device dev;
         struct regulation_constraints *constraints;
         struct regulator *supply;       /* for tree */
+        const char *supply_name;
         struct regmap *regmap;
 
         struct delayed_work disable_work;