linux-kernel - Re: [PATCH v1 06/10] media: platform: mediatek: add isp

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Message-ID: <467985c340926e6396f1425f3035b13f277b56d1.camel@mediatek.com>
Date: Mon, 28 Oct 2024 03:46:22 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: "sumit.semwal@...aro.org" <sumit.semwal@...aro.org>,
	"christian.koenig@....com" <christian.koenig@....com>, "mchehab@...nel.org"
	<mchehab@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"robh@...nel.org" <robh@...nel.org>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Shu-hsiang Yang (楊舒翔)
	<Shu-hsiang.Yang@...iatek.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"yunkec@...omium.org" <yunkec@...omium.org>, "linaro-mm-sig@...ts.linaro.org"
	<linaro-mm-sig@...ts.linaro.org>, "linux-media@...r.kernel.org"
	<linux-media@...r.kernel.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, Yaya Chang (張雅清)
	<Yaya.Chang@...iatek.com>, Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Teddy Chen (陳乾元) <Teddy.Chen@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "hidenorik@...omium.org"
	<hidenorik@...omium.org>, Shun-Yi Wang (王順億)
	<Shun-Yi.Wang@...iatek.com>
Subject: Re: [PATCH v1 06/10] media: platform: mediatek: add isp_7x utility

Hi, Shu-hsiang:

On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote:
> Introduces utility files for the MediaTek ISP7.x camsys driver. These
> utilities provide essential platform definitions, debugging tools, and
> management functions to support ISP operations and SCP communication.
> Key functionalities include:
> 1.Hardware pipeline and register definitions for managing image
> processing modules.
> 2.DMA debugging utilities and buffer management functions.
> 3.Definitions of supported image formats for proper data handling.
> 4.IPI and SCP communication structures for module state management and
> configuring ISP.
> 5.Metadata parameters for configuring image processing.
> 
> Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang@...iatek.com>
> ---

[snip]

> +/*
> + * struct mtkcam_ipi_hw_buffer - DMA buffer for CAM DMA device.
> + *
> + * @iova: DMA address for CAM DMA device. isp7_1: u64.
> + * @size: buffer size.
> + */
> +struct mtkcam_ipi_hw_buffer {
> +	u64 iova;
> +	u32 size;
> +} __packed;
> +

mtkcam_ipi_hw_buffer is useless, so drop it.

Regards,
CK