On Thu, Mar 20, 2025 at 11:27:43PM +0100, Danilo Krummrich wrote: > Device::parent() returns a reference to the device' parent device, if > any. Ok, but why? You don't use it in this series, or did I miss it? A driver shouldn't care about the parent of a device, as it shouldn't really know what it is. So what is this needed for? thanks, greg k-h