On Tue, Jan 14, 2020 at 03:15:59PM +0800, Nicolas Boichat wrote: > - I couldn't find a way to detect the number of regulators in the > device tree, if we wanted to refuse to probe the device if there > are too many regulators, which might be required for safety, see > the thread on v2 [1]. You'd need to enumerate all the properties of the device and look for things matching *-supply. Reviewed-by: Mark Brown