Re: [PATCH] dvb: Allow MAC addresses to be mapped to stable device names with udev

[David Howells]

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