On Fri, Sep 21, 2018 at 01:25:45AM -0400, Sinan Kaya wrote: > On 9/20/2018 7:19 PM, Matthias Kaehlcke wrote: > > If the existing users populate a custom property with the BD address > > in the bootloader you could roll out a bootloader change. You'd have > > to make sure that bootloader and kernel match. The bootloader could > > still populate the custom property to be compatible with 'old' > > kernels. > > If there is no standard about the name of the property, this probably > doesn't belong to property.c but should rather be hosted in bluetooth > directory for consumption among the bluetooth drivers. Well, there is a generic binding (https://elixir.bootlin.com/linux/v4.18/source/Documentation/devicetree/bindings/net/bluetooth.txt), the fact that there are drivers that aren't adhering to it doesn't change that.