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Date:   Mon, 22 Jun 2020 12:25:59 +0200
From:   Kurt Van Dijck <dev.kurt@vandijck-laurijssen.be>
To:     Marc Kleine-Budde <mkl@pengutronix.de>
Cc:     Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
        wg@grandegger.com, kernel@martin.sperl.org,
        linux-can@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] Add Microchip MCP25XXFD CAN driver
Message-ID: <20200622102559.GA3077@x1.vandijck-laurijssen.be>
Mail-Followup-To: Marc Kleine-Budde <mkl@pengutronix.de>,
        Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
        wg@grandegger.com, kernel@martin.sperl.org,
        linux-can@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
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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