Re: [PATCH 0/6] Add Microchip MCP25XXFD CAN driver

From: Kurt Van Dijck
Date: Mon Jun 22 2020 - 06:26:19 EST


Hey Marc,

On do, 18 jun 2020 14:35:28 +0200, Marc Kleine-Budde wrote:
> On 6/18/20 2:30 PM, Kurt Van Dijck wrote:
> > On do, 18 jun 2020 00:36:29 +0200, Marc Kleine-Budde wrote:
> >> On 6/17/20 6:59 PM, Kurt Van Dijck wrote:
> >>> I'm in the process of getting a Variscite imx8m mini SOM online, with
> >>
> >> Have your heard about the imx8m plus? It has CAN cores! We have a board in the
> >> office to play with. :)
> >>
> >>> MCP2517FD. The 4.19 kernel that comes with it, has a driver that is
> >>
> >> You shall not start projects with 1,5 years old kernel.
> >> And you probably shall not use vendor kernel for new projects.
> >> :D
> >
> > your rpi kernel starts of v4.19.119 (or so), where the variscite starts
> > of v4.19.35.
>
> You're missing some stable backports for the kernel then.
>
> > The result was quite some list of merge conflicts, on top of a vendor
> > kernel, so I took your advise and switched to the latest and greatest
> > 5.7.3.
>
> \o/

I got my board up with a 5.7, despite device-tree problems completely
unrelated to CAN.
It seems to work well with a fully-loaded CAN bus (cangen -g0 ...).
So that is a real improvement.
I will need to add the listen-only mode soon.

Kurt