Re: [PATCH net-next v3 06/10] net: dsa: Migrate to device_find_class()

From: Greg KH
Date: Wed Jan 25 2017 - 16:24:52 EST

On Tue, Jan 24, 2017 at 10:59:15AM -0800, Florian Fainelli wrote:
> On 01/19/2017 10:12 AM, Florian Fainelli wrote:
> >
> > Back to the actual code that triggered this discussion, the whole
> > purpose is just a safeguard. Given a device reference, we can assume
> > that it is indeed the backing device for a net_device, and we could do a
> > to_net_device() right away (and crash if someone did not write correct
> > platform_data structures), or, by walking the device tree (the device
> > driver model one) we can make sure it does belong in the proper class
> > and this is indeed what we think it is.
> Greg, did Russell's explanation clarify things, or do you still think
> this is completely bogus and we need to re design the whole thing?
> Just asking so I can try to resubmit just the preparatory parts or just
> the whole thing.

Sorry, I haven't gotten back to this, it's lower on my list. Should try
to get to it tomorrow...