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SubjectRe: [PATCH] dvb: Allow MAC addresses to be mapped to stable device names with udev
Sean Young <> wrote:

> > > Devices without a mac address shouldn't have a mac_dvb sysfs attribute,
> > > I think.
> >
> > I'm not sure that's possible within the core infrastructure. It's a class
> > attribute set when the class is created; I'm not sure it can be overridden on
> > a per-device basis.
> >
> > Possibly the file could return "" or "none" in this case?
> That's very ugly. Have a look at, for example, rc-core wakeup filters:

By analogy, then, I think the thing to do is to put something like struct
rc_dev::sysfs_groups[] into struct dvb_device (or maybe struct dvb_adapter)
and then the dvb_mac attribute in there during dvb_register_device() based on
whether or not the MAC address is not all zeros at that point.


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