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b=RDi07870dnqEYo9CBUFeX2lnJIc4StCNXabdSg9x3yCX0eGoeLoyG45pU6oi1cpXDasJyq5r7wgC1EyKhl2g8rwY/uRguVyc3zQAVUmSX5Mx0dkiNUTX3/6bK0B04MVlkzNyzrwSHQsb85beT4D10PadIq1fFL8x7qPlgHyjf6o= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from LV9PR12MB9829.namprd12.prod.outlook.com (2603:10b6:408:2eb::9) by IA1PR12MB7568.namprd12.prod.outlook.com (2603:10b6:208:42c::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.16; Tue, 3 Feb 2026 06:37:11 +0000 Received: from LV9PR12MB9829.namprd12.prod.outlook.com ([fe80::2bc0:451f:661a:ac32]) by LV9PR12MB9829.namprd12.prod.outlook.com ([fe80::2bc0:451f:661a:ac32%7]) with mapi id 15.20.9564.016; Tue, 3 Feb 2026 06:37:11 +0000 Message-ID: Date: Tue, 3 Feb 2026 14:37:01 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 3/7] media: platform: amd: Add isp4 fw and hw interface To: Sakari Ailus Cc: mchehab@kernel.org, hverkuil@xs4all.nl, laurent.pinchart+renesas@ideasonboard.com, bryan.odonoghue@linaro.org, prabhakar.mahadev-lad.rj@bp.renesas.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, sultan@kerneltoast.com, pratap.nirujogi@amd.com, benjamin.chan@amd.com, king.li@amd.com, gjorgji.rosikopulos@amd.com, Phil.Jawich@amd.com, Dominic.Antony@amd.com, mario.limonciello@amd.com, richard.gong@amd.com, anson.tsao@amd.com, Alexey Zagorodnikov References: <20251216091326.111977-1-Bin.Du@amd.com> <20251216091326.111977-4-Bin.Du@amd.com> <92ccb38a-5c62-4730-8a41-fa80d2f523a7@amd.com> Content-Language: en-US From: "Du, Bin" In-Reply-To: Content-Type: text/plain; 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Could you please help check it? >> >> On 1/7/2026 4:44 PM, Du, Bin wrote: >>> Thank you, Sakari for the feedback. >>> >>> On 12/22/2025 5:37 PM, Sakari Ailus wrote: >>>> Hi Bin, >>>> >>>> On Tue, Dec 16, 2025 at 05:13:22PM +0800, Bin Du wrote: >> >> [snip] >> >>>>> +enum isp4fw_buffer_source { >>>>> +    /* The buffer is from the stream buffer queue */ >>>>> +    BUFFER_SOURCE_STREAM, >>>>> +}; >>>> >>>> Could you also use the ISP4 (or ISP4IF) prefix for these, please? >>>> Many look >>>> rather generic. >>>> >>> >>> Thank you for highlighting this matter, since these definitions are >>> located in isp4_fw_cmd_resp.h, ISP4_FW may be a more appropriate prefix. >>> Just to confirm: are you suggesting that we should add this prefix to >>> all macros and enums? For example, changing CMD_ID_SET_STREAM_CONFIG to >>> ISP4_FW_CMD_ID_SET_STREAM_CONFIG, and BUFFER_SOURCE_STREAM to ISP4_FW >>> _BUFFER_SOURCE_STREAM? Our initial thought was that these would only be >>> used within ISP and shouldn't lead to any confusion. >>> >> >> Hi Sakari, would you please help to confirm so we can decide if further >> modification is needed. > > I'd prefer to use a specific prefix, indeed. See e.g. > drivers/media/platform/ti/omap3isp/isp.h . This was the first supported ISP > driver so some prefixes are just "isp_". The shorter names you have, the > larger is the probability of clashing with something generic. It also makes > it obvious to the reader this is specific to the driver. > Very good consideration and reference, will add prefix ISP4FW_ to make them specific. -- Regards, Bin