linux-kernel - Re: [PATCH 14/15] mailbox: mediatek: Add mt8195 support for CMDQ secure driver

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Message-ID: <3eb13240413f87faf6fa838cc6e8b27cf1deef2f.camel@mediatek.com>
Date:   Mon, 25 Sep 2023 05:48:22 +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 14/15] mailbox: mediatek: Add mt8195 support for CMDQ
 secure driver

Hi Krzysztof,

Thanks for the reviews.

On Sat, 2023-09-23 at 20:08 +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 21:22, Jason-JH.Lin wrote:
> > Add mt8195 support for CMDQ secure driver.
> 
> How is it anyhow related to your patch content?

This path is dependent on cmdq_probe() in [PATCH 9/15].

> 
> > 
> > Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> > ---
> >  drivers/mailbox/mtk-cmdq-mailbox.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c
> b/drivers/mailbox/mtk-cmdq-mailbox.c
> > index 4e047dc916b9..d27d033c587d 100644
> > --- a/drivers/mailbox/mtk-cmdq-mailbox.c
> > +++ b/drivers/mailbox/mtk-cmdq-mailbox.c
> > @@ -735,6 +735,7 @@ static const struct gce_plat gce_plat_v6 = {
> >  .thread_nr = 24,
> >  .shift = 3,
> >  .control_by_sw = true,
> > +.has_sec = true,
> 
> Really, how?

Within this flag, cmdq_probe() will call
platform_device_register_data() to setup a CMDQ secure driver.

Regards,
Jason-JH.Lin

> 
> Best regards,
> Krzysztof
> 
>