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

From: Florian Fainelli
Date: Mon Jan 30 2017 - 17:47:05 EST

On 01/25/2017 01:25 PM, Greg KH wrote:
> 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...

Greg, please give some feedback here, I can only produce new patches as
fast as I am given feedback, and I would really hate to miss the 4.11
merge window because we have been sleeping on this. If there is a need
to clarify things, I will be more than happy to try to provide information.

Thank you!