Re: [RFC PATCH 6/6] dp8393x: Rewrite dp8393x_get() / dp8393x_put()

[Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>]

On 07/07/2021 02:30, Finn Thain wrote:

> On Mon, 5 Jul 2021, Mark Cave-Ayland wrote:
> 
>> On 05/07/2021 02:36, Finn Thain wrote:
>>
>>>> Unfortunately I don't have a test mips64el image available to see if
>>>> this combination works for Linux. Phil, do you have a suitable test
>>>> kernel and rootfs image available to allow this to be tested?
>>>>
>>>
>>> You can build and boot a mipsel vmlinux by following the steps I
>>> described previously. In the kernel messages you'll see the jazzsonic
>>> driver attempt to probe the device. When it succeeds, you'll see the
>>> MAC address reported. You can also observe the regression I reported
>>> with regards to patch 2/6, "dp8393x: don't force 32-bit register
>>> access".
>>
>> Those instructions are useful, but since I am not a MIPS developer I
>> don't have an existing toolchain/kernel tree and rootfs available to
>> test this.
>>
> 
> You don't need a rootfs to see the jazzsonic driver messages. But if you
> still want one, you could try the mipsel builds from these distros (not
> the 64-bit ones):
> 
> https://ftp.jaist.ac.jp/pub/Linux/Gentoo/experimental/mips/stages/
> https://landley.net/aboriginal/downloads/binaries/

That's true, but then this wouldn't enable testing of Phil's proposed CRC changes. 
Having a simple shell with ping and wget/curl is a real help here.

>> If you can provide me with a link to your vmlinux and rootfs with
>> busybox or similar in it, I can take a look to see what is happening
>> here. Otherwise it's almost impossible for me to understand and debug
>> the problem you are seeing on your setup.
>>
> 
> Uploading kernels is a hassle (for me) as it brings a trust question and
> requires a file hosting service. I really should use PGP and organise a
> web of trust but that's very difficult given my rural location.

Given that these are only running in a VM I'm not too worried about trust. I also 
have a VPS with scp access that I could temporarily grant you access via an SSH 
public key if that helps?


ATB,

Mark.