diff options
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index be8c709a7488..25e601bf9383 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5187,15 +5187,20 @@ regulator_register(const struct regulator_desc *regulator_desc, else if (regulator_desc->supply_name) rdev->supply_name = regulator_desc->supply_name; - /* - * Attempt to resolve the regulator supply, if specified, - * but don't return an error if we fail because we will try - * to resolve it again later as more regulators are added. - */ - if (regulator_resolve_supply(rdev)) - rdev_dbg(rdev, "unable to resolve supply\n"); - ret = set_machine_constraints(rdev, constraints); + if (ret == -EPROBE_DEFER) { + /* Regulator might be in bypass mode and so needs its supply + * to set the constraints */ + /* FIXME: this currently triggers a chicken-and-egg problem + * when creating -SUPPLY symlink in sysfs to a regulator + * that is just being created */ + ret = regulator_resolve_supply(rdev); + if (!ret) + ret = set_machine_constraints(rdev, constraints); + else + rdev_dbg(rdev, "unable to resolve supply early: %pe\n", + ERR_PTR(ret)); + } if (ret < 0) goto wash; |