Hi, On 18/03/20 16:00, Wolfram Sang wrote: > Sometimes, we have unknown devices in a system and still want to block > their address. For that, we allow DT nodes with only a 'reg' property. > These devices will be bound to the "dummy" driver but with the name > "reserved". That way, we can distinguish them and even hand them over to > the "dummy" driver later when they are really requested using > i2c_new_ancillary_device(). > > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx> Reviewed-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx> As I said in the reply to v1, I think we should reserve addresses also when there is a compatible string but no matching driver, but this is another story and can be handled separately. -- Luca
