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Message-ID: <d2fee308c86c23e98e99497d2de138e31ad72537.camel@mediatek.com>
Date:   Mon, 25 Sep 2023 05:08:03 +0000
From:   Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>
To:     "jassisinghbrar@...il.com" <jassisinghbrar@...il.com>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        Johnson Wang (王聖鑫) 
        <Johnson.Wang@...iatek.com>,
        Jason-ch Chen (陳建豪) 
        <Jason-ch.Chen@...iatek.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Elvis Wang (王军) <Elvis.Wang@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH 03/15] soc: mailbox: Add SPR definition for GCE

Hi Krzysztof,

Thanks for the reviews.

On Sat, 2023-09-23 at 20:02 +0200, Krzysztof Kozlowski wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  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?

It'll be used in cmdq_sec_insert_backup_cookie() at [PATCH 10/15].
Should I merge this patch into [PATCH 10/15]?

Regards,
Jason-JH.Lin

> 
> Best regards,
> Krzysztof
> 
> 

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