linux-kernel - Re: [PATCH v2 2/2] platform/chrome: cros_ec_lpcs: reserve the MEC LPC I/O ports first

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Date:   Thu, 27 Jan 2022 21:15:53 -0600
From:   Dustin Howett <dustin@...ett.net>
To:     Prashant Malani <pmalani@...omium.org>
Cc:     linux-kernel@...r.kernel.org, Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Tzung-Bi Shih <tzungbi@...gle.com>,
        Michael Niksa <michael.niksa@...e.com>, aaboagye@...omium.org
Subject: Re: [PATCH v2 2/2] platform/chrome: cros_ec_lpcs: reserve the MEC LPC
 I/O ports first

On Thu, Jan 27, 2022 at 1:25 PM Prashant Malani <pmalani@...omium.org> wrote:
>
> What source do Framework laptop ECs (MECs?) compile their EC firmware
> from?

They just released their source here:
https://github.com/FrameworkComputer/EmbeddedController

FWIW, this series was written before they went open, and you're not
likely to see a similar construct
over there.

> Yeah, I wasn't thinking about userland i/o port access, but just having
> this behaviour/different I/O port mapping described in the EC code base
> too.

Happy to submit this over there as well. Are cros_ec_commands.h (here)
and ec_commands.h (there)
intended to be kept in 1:1 sync?

As well, is this a blocking concern?

Thanks!
d