linux-kernel - Re: [PATCH] ARM: dts: exynos4412-*: decrease memory to account for unusable region

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Date: Mon, 19 Feb 2024 08:50:33 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Artur Weber <aweber.kernel@...il.com>
Cc: Henrik Grimler <henrik@...mler.se>, 
 Martin Jücker <martin.juecker@...il.com>, 
 Jack Knightly <J__A__K@...mail.com>, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, replicant@...osl.org
Subject: Re: [PATCH] ARM: dts: exynos4412-*: decrease memory to account for
 unusable region


On Sat, 17 Feb 2024 19:22:40 +0100, Artur Weber wrote:
> The last 4 MiB of RAM on those devices is likely used by trustzone
> firmware, and is unusable under Linux. Change the device tree memory
> node accordingly.
> 
> The proprietary bootloader (S-BOOT) passes these memory ranges through
> ATAG_MEM; this change allows us to have the correct memory ranges
> without relying on ATAG_MEM.
> 
> [...]

Applied, thanks!

[1/1] ARM: dts: exynos4412-*: decrease memory to account for unusable region
      https://git.kernel.org/krzk/linux/c/5fb1252944fc3bba4a1026adaa9d150cfe8a3e16

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>