Re: [PATCH 2/2] regulator: assert that dummy regulator has been probed before using it

On Mon, Mar 10, 2025 at 05:33:02PM +0100, Christian Eggers wrote:

Due to asynchronous driver probing there is a chance that the dummy regulator hasn't already been probed when first accessing it.

if (have_full_constraints()) {
	r = dummy_regulator_rdev;

• 	BUG_ON(!r);
  get_device(&r->dev);
  

  } else { dev_err(dev, "Failed to resolve %s-supply for %s\n",

@@ -2086,6 +2087,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) goto out; } r = dummy_regulator_rdev;

• BUG_ON(!r);
  

This doesn't actually help anything - I'd expect this to trigger probe deferral.