linux-kernel - Re: [PATCH] ARM64: dts: meson-gxl: Add alternate ARM Trusted Firmware reserved memory zone

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Message-ID: <7hfuapfc1o.fsf@baylibre.com>
Date:   Wed, 11 Oct 2017 17:24:35 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     carlo@...one.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM64: dts: meson-gxl: Add alternate ARM Trusted Firmware reserved memory zone

Neil Armstrong <narmstrong@...libre.com> writes:

> This year, Amlogic updated the ARM Trusted Firmware reserved memory mapping
> for Meson GXL SoCs and products sold since May 2017 uses this alternate
> reserved memory mapping.
> But products had been sold using the previous mapping.
>
> This issue has been explained in [1] and a dynamic solution is yet to be
> found to avoid loosing another 3Mbytes of reservable memory.
>
> In the meantime, this patch adds this alternate memory zone only for
> the GXL and GXM SoCs since GXBB based new products stopped earlier.
>
> [1] http://lists.infradead.org/pipermail/linux-amlogic/2017-October/004860.html
>
> Fixes: bba8e3f42736 ("ARM64: dts: meson-gx: Add firmware reserved memory zones")
> Reported-by: Jerome Brunet <jbrunet@...libre.com>
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>

Applied to v4.15/dt64,

Thanks,

Kevin