[fedora-arm] Realtek wifi on ARM devices

[Peter Robinson]

>>>> I know from various questions in the past that a number of ARM devices
>>>> come with realtek wifi interfaces. A new driver the a lot of the
>>>> realtek usb wifi devices has landed in the 4.4 kernel. All the gory
>>>> details are in the commit log [1] it's not a fully featured driver
>>>> just yet but should work well for the standard connect to your AP use
>>>> case.
>>>>
>>>>   It would be great if those of you with such devices could test a
>>>> rawhide kernel and report back good and/or bad experiences.
>>>
>>>
>>> Cool stuff, a lot of Allwinner devices come with these wifi chips
>>> atm I do not really have time to run any sort of worth-while
>>> tests. But I'll enable this driver in my own local build test kernels
>>> and I will try to use it whenever I use wifi.
>>>
>>> Jens, are there any plans to also add support for sdio based variants of
>>> these chips ?  Quite a few devices also come with sdio based variants,
>>> such as the C.H.I.P.
>>
>> Yes, I'm been meaning to ask the same question, it seems they're also
>> used on a bunch of windows tablets too.
>
> I don't have any SDIO devices accessible to me, so it's not easy for me
> to do something about it. It shouldn't be undoable to add SDIO support
> to it, but keep in mind the Realtek devices run in multiple generations
> and I currently only support the 8188cu/8192cu/8723au generation. I am
> working on 8723bu/8192eu at the moment, but they are showing up to be a
> little more different than the older generation than I thought at first,
> so it will take a bit longer than I hoped.
>
> Larry Finger mentioned he was interested in looking into this, but I
> don't know how far he got.
>
> I know very little about SDIO, any idea if it's possible to get SDIO to
> PCIe adapters?

If you can get devices in SD card form factor you could plug them into
some laptop SD cards slots, alternatively I could probably organise to
get you a couple of the common ARM devices to test against.

Peter