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Message-ID: <797fc698-54d2-4848-3a4d-43ca631eb96d@linaro.org>
Date:   Sat, 23 Sep 2023 20:02:12 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Jason-JH.Lin" <jason-jh.lin@...iatek.com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Conor Dooley <conor+dt@...nel.org>,
        Jason-ch Chen <jason-ch.chen@...iatek.com>,
        Johnson Wang <johnson.wang@...iatek.com>,
        Elvis Wang <Elvis.Wang@...iatek.com>,
        Singo Chang <singo.chang@...iatek.com>,
        Nancy Lin <nancy.lin@...iatek.com>,
        Shawn Sung <shawn.sung@...iatek.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 03/15] soc: mailbox: Add SPR definition for GCE

On 18/09/2023 21:21, Jason-JH.Lin wrote:
> GCE has specific purpose registers, abbreviated as SPR.
> Client can us SPR to store data or programs.
> 
> In CMDQ driver, it allows client to STORE or LOAD data into SPR.
> The value stored in SPR will be cleared after reset GCE HW thread.
> 
> There are 4 SPR (register index 0 - 3) in every GCE HW thread.
> SPR is thread-independent and HW secure protected.
> 
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> ---
>  include/linux/soc/mediatek/mtk-cmdq.h | 5 +++++

There is no user of this... Why do you add unused defines?

Best regards,
Krzysztof

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