diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 925df9e6f1e3..089e8ad8ef57 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1747,6 +1747,16 @@ struct regulator *_regulator_get(struct device *dev, const char *id, return regulator; } + mutex_lock(®ulator_list_mutex); + ret = (rdev->coupling_desc.n_resolved != rdev->coupling_desc.n_coupled); + mutex_unlock(®ulator_list_mutex); + + if (ret != 0) { + regulator = ERR_PTR(-EPROBE_DEFER); + put_device(&rdev->dev); + return regulator; + } + ret = regulator_resolve_supply(rdev); if (ret < 0) { regulator = ERR_PTR(ret);