Sean Young <sean@xxxxxxxx> wrote: > device_create() will register the device in sysfs and send uevent. So, your > original udev rule/code will not work, since it always would read > a mac address of 0, as proposed_mac is not populated when the device is > announced. That is, unless udev is scheduled after the mac is read. I guess that must be what is happening as it does seem to work for me. > I think the device_add/device_create() which triggers the uevent should be > delayed until everything is available. Is it possible to switch vb2_dvb_register_bus() and dvb_register_ci_mac() in dvb_register() in cx23885-dvb.c - or does that prevent the firmware from loading? And I'm guessing this change would have to be applied to all drivers? David