linux-kernel - Re: [PATCH] platform/chrome: cros_ec_lpc: Add DMI definition for post-Skylake machines running custom Coreboot builds

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Message-ID: <ZLooCXV11JCdWOdK@google.com>
Date:   Fri, 21 Jul 2023 14:39:05 +0800
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     Alicja Michalska <ahplka19@...il.com>
Cc:     linux-kernel@...r.kernel.org, robbarnes@...gle.com,
        lalithkraj@...gle.com, rrangel@...omium.org, bleung@...omium.org,
        groeck@...omium.org, chrome-platform@...ts.linux.dev
Subject: Re: [PATCH] platform/chrome: cros_ec_lpc: Add DMI definition for
 post-Skylake machines running custom Coreboot builds

On Fri, Jul 21, 2023 at 12:37:15AM +0200, Alicja Michalska wrote:
> ChromeOS EC LPC lacks DMI match for newer machines, which
> use "Google" DMI_SYS_VENDOR as opposed to "GOOGLE" in older models.

I'm confused about the sentence as it looks irrelevant to the patch.

> This patch adds DMI definition for MrChomebox's custom Coreboots builds,
> which we (Chrultrabook Project) are using.

s/This patch adds/Add/.  Search "imperative mood" in [1].

Looks like a typo: s/MrChomebox/MrChromebox/.

If you get chance to send next version, please shorten the commit title.
I guess "platform/chrome: cros_ec_lpc: Add DMI match for MrChromebox" should
be quite explicit.

[1]: https://www.kernel.org/doc/html/latest/process/submitting-patches.html

> +	/* DMI doesn't match modern machines running custom firmware */

Remove the line.

> +	{
> +		/* MrChromebox's firmware */
> +		.matches = {
> +			DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"),
> +			DMI_MATCH(DMI_BIOS_VERSION, "MrChromebox-"),
> +		},
> +	},

Put the block after "A small number of non-Chromebook/box machines also use
the ChromeOS EC"[2].

[2]: https://elixir.bootlin.com/linux/v6.4/source/drivers/platform/chrome/cros_ec_lpc.c#L533