linux-kernel - Re: [PATCH v2] ACPI / x86: Work around broken XSDT on Advantech DAC-BJ01 board

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Date:   Thu, 3 Mar 2022 14:42:44 +0100
From:   Mark Cilissen <mark@...suba.nl>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     linux-acpi@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <len.brown@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v2] ACPI / x86: Work around broken XSDT on Advantech
 DAC-BJ01 board


> On 3 Mar 4 Reiwa, at 14:38, Hans de Goede <hdegoede@...hat.com> wrote:
> 
> Hi Mark,

Hi Hans,

> On 3/2/22 21:20, Mark Cilissen wrote:
>>> 
> 
> I think that there are a lot more boards that will have
> DMI_BIOS_VENDOR == "Phoenix Technologies LTD"
> then that there are boards that will have
> DMI_PRODUCT_NAME == "Bearlake CRB Board"
> 
> So if you want to make the DMI match as specific as possible then
> IMHO dropping the bios-vendor match is best.

Of course, but just to clarify -- my proposal above is to drop

> DMI_MATCH(DMI_SYS_VENDOR, "NEC”),

not

> DMI_MATCH(DMI_PRODUCT_NAME, "Bearlake CRB Board”),

. :-)

Thanks and regards,
Mark