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References: <20200327130117.11304-1-pete@akeo.ie> <a3c8b289-6603-4e3d-9c19-9d16a27df9b6@akeo.ie>
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In-Reply-To: <adedcac4-a6d9-2332-afe9-f04bf0aa4817@akeo.ie>
From: "Ard Biesheuvel" <ard.biesheuvel@linaro.org>
Date: Mon, 30 Mar 2020 15:12:11 +0200
Message-ID: <CAKv+Gu8kr1nzJzPn63HgoU=afn_WZBNRcWzC0=oZ7kUvfkG1UQ@mail.gmail.com>
Subject: Re: [PATCH 1/1] EmbeddedPkg/AcpiLib: add GICC table init macro for ACPI 6.3
To: Pete Batard <pete@akeo.ie>
Cc: edk2-devel-groups-io <devel@edk2.groups.io>, Leif Lindholm <leif@nuviainc.com>
Content-Type: text/plain; charset="UTF-8"

On Mon, 30 Mar 2020 at 15:09, Pete Batard <pete@akeo.ie> wrote:
>
> On 2020.03.30 14:06, Ard Biesheuvel wrote:
> > On Fri, 27 Mar 2020 at 14:06, Pete Batard <pete@akeo.ie> wrote:
> >>
> >> Incidentally, this is not an [edk2-platform] patch, as the subject line
> >> from previous mail seemed to indicate, but an [edk2] patch.
> >>
> >
> > Do we have a user for this?
>
> Yes we do. I have a pachset lined up that updates the Raspberry Pi ACPI
> to 6.3, that has a dependency on this.
>

But does the RPi have SPE and the associated overflow interrupt? ACPI
is designed to be backward compatible, so it is perfectly acceptable
to use the 6.2 macros in the context of a firmware implementation that
complies with 6.3. Or is there another reason you want to update the
MADT to 6.3?