regulator: core: Allow dummy regulators for supplies

Rather than just not resolving the supply when there is explicitly no
supply mapping fall through and allow a dummy supply to be substituted.
This fixes issues with constant retries reported by Dong Aisheng.

Signed-off-by: Mark Brown <broonie@kernel.org>
Tested-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 3f424ec4fc56cd979626cda1bf1058d91dbc00ce..462e6e679ce1db4131c929db00512a979eef6232 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1532,14 +1532,6 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
        if (IS_ERR(r)) {
                ret = PTR_ERR(r);
 
-               if (ret == -ENODEV) {
-                       /*
-                        * No supply was specified for this regulator and
-                        * there will never be one.
-                        */
-                       return 0;
-               }
-
                /* Did the lookup explicitly defer for us? */
                if (ret == -EPROBE_DEFER)
                        return ret;