linux-kernel - Re: [PATCH 01/15] soc: mediatek: Add register definitions for GCE

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Message-ID: <a0b60e8b-7fb7-b2d9-8c91-1be665e43800@collabora.com>
Date:   Thu, 7 Sep 2023 14:11:50 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Hsiao Chien Sung <shawn.sung@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Jassi Brar <jassisinghbrar@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        Singo Chang <singo.chang@...iatek.com>,
        Nancy Lin <nancy.lin@...iatek.com>,
        Jason-JH Lin <jason-jh.lin@...iatek.com>
Subject: Re: [PATCH 01/15] soc: mediatek: Add register definitions for GCE

Il 23/08/23 17:13, Hsiao Chien Sung ha scritto:
> Add register definitions for GCE so users can use them
> as a buffer to store data.
> 
> Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.com>
> ---
>   include/linux/soc/mediatek/mtk-cmdq.h | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
> index 649955d2cf5c..3eb95ef34c6c 100644
> --- a/include/linux/soc/mediatek/mtk-cmdq.h
> +++ b/include/linux/soc/mediatek/mtk-cmdq.h
> @@ -14,6 +14,13 @@
>   #define CMDQ_ADDR_HIGH(addr)	((u32)(((addr) >> 16) & GENMASK(31, 0)))
>   #define CMDQ_ADDR_LOW(addr)	((u16)(addr) | BIT(1))
>   

Please add a comment explaining "TPR"

> +#define CMDQ_TPR_ID		(56)
> +

Please add a comment explaining what those definitions are, what is "SPR"?

Regards,
Angelo

> +#define CMDQ_THR_SPR_IDX0	(0)
> +#define CMDQ_THR_SPR_IDX1	(1)
> +#define CMDQ_THR_SPR_IDX2	(2)
> +#define CMDQ_THR_SPR_IDX3	(3)
> +
>   struct cmdq_pkt;
>   
>   struct cmdq_client_reg {