linux-kernel - Re: [PATCH v2 6/9] mailbox: mediatek: Add CMDQ driver support for mt8188

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Message-ID: <92653ade9e0a31b41fd654449f007d41f7e7aa54.camel@mediatek.com>
Date:   Wed, 25 Oct 2023 06:33:26 +0000
From:   Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>
To:     "fshao@...omium.org" <fshao@...omium.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Johnson Wang (王聖鑫) 
        <Johnson.Wang@...iatek.com>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        Jason-ch Chen (陳建豪) 
        <Jason-ch.Chen@...iatek.com>,
        Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "jkardatzke@...gle.com" <jkardatzke@...gle.com>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "jassisinghbrar@...il.com" <jassisinghbrar@...il.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v2 6/9] mailbox: mediatek: Add CMDQ driver support for
 mt8188

Hi Fei,

Thanks for the reviews.

On Mon, 2023-10-23 at 17:41 +0800, Fei Shao wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  Hi Jason,
> 
> On Mon, Oct 23, 2023 at 12:58 PM Jason-JH.Lin <
> jason-jh.lin@...iatek.com> wrote:
> >
> > Add CMDQ driver support for mt8188 by adding its compatible and
> > driver data in CMDQ driver.
> >
> > Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> > ---
> >  drivers/mailbox/mtk-cmdq-mailbox.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c
> b/drivers/mailbox/mtk-cmdq-mailbox.c
> > index 56fe01cd9731..3bdfb9a60614 100644
> > --- a/drivers/mailbox/mtk-cmdq-mailbox.c
> > +++ b/drivers/mailbox/mtk-cmdq-mailbox.c
> > @@ -704,12 +704,20 @@ static const struct gce_plat gce_plat_v7 = {
> >         .gce_num = 1
> >  };
> >
> > +static const struct gce_plat gce_plat_v8 = {
> > +       .thread_nr = 32,
> > +       .shift = 3,
> > +       .control_by_sw = true,
> > +       .gce_num = 2
> > +};
> > +
> >  static const struct of_device_id cmdq_of_ids[] = {
> >         {.compatible = "mediatek,mt8173-gce", .data = (void
> *)&gce_plat_v2},
> >         {.compatible = "mediatek,mt8183-gce", .data = (void
> *)&gce_plat_v3},
> >         {.compatible = "mediatek,mt8186-gce", .data = (void
> *)&gce_plat_v7},
> >         {.compatible = "mediatek,mt6779-gce", .data = (void
> *)&gce_plat_v4},
> >         {.compatible = "mediatek,mt8192-gce", .data = (void
> *)&gce_plat_v5},
> > +       {.compatible = "mediatek,mt8188-gce", .data = (void
> *)&gce_plat_v8},
> I guess I understand your intention here... but the ordering doesn't
> make sense to most people. Put this line after mt8186.
> 
> It's up to you to ignore the outlier mt6779 for now or send a
> separate
> patch to fully sort the list by the compatible strings.
> 
> Regards,
> Fei
> 

I'll move this patch out of the secure cmdq series and fix the sorting
problem. Thanks!

Regards,
Jason-JH.Lin

> 
> >         {.compatible = "mediatek,mt8195-gce", .data = (void
> *)&gce_plat_v6},
> >         {}
> >  };
> > --
> > 2.18.0
> >
> >