Re: MCP25XXFD Linux driver status

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On 9/3/19 6:28 PM, Thomas.Kopp@xxxxxxxxxxxxx wrote:
> I finally started with reviewing and testing the MCP25xxFD driver (way
> later than originally planned…)

I'm familiar with this situation :/

> To start with: I don’t have any background in Kernel development (my
> background is mainly bare-metal firmware for 8bit/small 32-bit CM0+
> devices), so I’ll be focusing on device specifics of the 2517/18 and
> things that seem strange to me and might end up asking stupid questions
> about kernel-specifics.

...there are no stupid questions.

> I noticed that Marc is currently working on implementing changes and
> fixes here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git/log/?h=mcp25xxfd-rpi

For now it's just random hacking. However that yielded some fixes I want
to upstream. That's why I asked for the correct branch in Martin's repo
to send pull request to.

> Is development progressing there now?

I hope it's progressing, but for now I'm happy to keep the upstream at
Martin's repo. It has a much larger user base than linux-can-next.

> Should I base feedback my feedback on the latest release from Martin or
> on the latest code from you Marc?

Use Martin's latest release for now.

> I did find that previous feedback seems to be scattered around mailing
> lists and dedicated distribution list. In what way is the feedback
> preferred? Comments/Questions to a specific distribution list? Patches?

I'm interested in mainline development only. Please use this mailinglist
here. Post patches using git send-email.

The rest will settle in :)

> As for the hardware: I’ll mainly be testing with our SAMA5D27 products,
> but also have a couple RPIs lying around to test with.

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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