linux-kernel - Re: [PATCH V3 2/3] dt-bindings: tegra: pmc: Update scratch as an optional aperture

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Date: Mon, 12 Feb 2024 09:03:01 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Petlozu Pravareshwar <petlozup@...dia.com>, thierry.reding@...il.com,
 jonathanh@...dia.com, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, p.zabel@...gutronix.de, dmitry.osipenko@...labora.com,
 ulf.hansson@...aro.org, kkartik@...dia.com, cai.huoqing@...ux.dev,
 spatra@...dia.com, linux-tegra@...r.kernel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH V3 2/3] dt-bindings: tegra: pmc: Update scratch as an
 optional aperture

On 11/02/2024 18:17, Petlozu Pravareshwar wrote:
> Scratch address space register is used to store reboot reason. For
> some Tegra234 systems, the scratch space is not available to store
> the reboot reason. This is because scratch region on these systems
> is not accessible by the kernel as restricted by the Hypervisor.
> Such systems would delist scratch aperture from PMC DT node.
> 
> Accordingly, this change makes "scratch" as an optional aperture for
> Tegra234 in PMC dt-binding document.
> 
> Signed-off-by: Petlozu Pravareshwar <petlozup@...dia.com>
> ---
> Changes in v3:
> - Update 'reg-names' property items as per the review comments.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof