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From: "Du, Bin" <bin.du@amd.com>
To: Mario Limonciello <mario.limonciello@amd.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Sultan Alsawaf <sultan@kerneltoast.com>
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,
	pratap.nirujogi@amd.com, benjamin.chan@amd.com, king.li@amd.com,
	gjorgji.rosikopulos@amd.com, Phil.Jawich@amd.com,
	Dominic.Antony@amd.com, richard.gong@amd.com, anson.tsao@amd.com,
	Alexey Zagorodnikov <xglooom@gmail.com>
Subject: Re: [PATCH v7 4/7] media: platform: amd: isp4 subdev and firmware loading handling added
Date: Thu, 15 Jan 2026 13:56:33 +0800	[thread overview]
Message-ID: <db6d11e2-0131-44a5-858f-e255923b9d5e@amd.com> (raw)
In-Reply-To: <bc665c1d-f2a6-495a-bda8-012b2619f0c4@amd.com>



On 1/15/2026 5:08 AM, Mario Limonciello wrote:
>>>
>>> Unless the firmware API structs are all __packed in a future firmware 
>>> update, I
>>> think the memsets should remain.
>>
>> If you want to be certain of the size of the structs, use BUILD_BUG_ON().
>>
> 
> static_assert is another option here too.   I did something like that in 
> drivers/acpi/platform_profile.c to make sure that a structure got 
> updated from new members.

Thank you, Sakari and Mario, for your informative sharing.

-- 
Regards,
Bin


  reply	other threads:[~2026-01-15  5:56 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-16  9:13 [PATCH v7 0/7] Add AMD ISP4 driver Bin Du
2025-12-16  9:13 ` [PATCH v7 1/7] media: platform: amd: Introduce amd isp4 capture driver Bin Du
2025-12-22  9:23   ` Sakari Ailus
2026-01-06  8:30     ` Du, Bin
2025-12-16  9:13 ` [PATCH v7 2/7] media: platform: amd: low level support for isp4 firmware Bin Du
2025-12-16  9:13 ` [PATCH v7 3/7] media: platform: amd: Add isp4 fw and hw interface Bin Du
2025-12-22  9:37   ` Sakari Ailus
2026-01-07  8:44     ` Du, Bin
2026-01-14 20:55       ` Sakari Ailus
2026-01-15  2:24         ` Du, Bin
2026-01-20  9:22       ` Du, Bin
2026-01-27  8:38         ` Du, Bin
2026-02-02  9:10         ` Sakari Ailus
2026-02-03  6:37           ` Du, Bin
2025-12-16  9:13 ` [PATCH v7 4/7] media: platform: amd: isp4 subdev and firmware loading handling added Bin Du
2025-12-22 10:11   ` Sakari Ailus
2026-01-07  7:33     ` Sultan Alsawaf
2026-01-14 21:03       ` Sakari Ailus
2026-01-14 21:08         ` Mario Limonciello
2026-01-15  5:56           ` Du, Bin [this message]
2026-01-15  7:21         ` Sultan Alsawaf
2026-01-20  9:29           ` Du, Bin
2026-01-27  8:39             ` Du, Bin
2026-01-15 10:36         ` Du, Bin
2026-01-14 10:34     ` Du, Bin
2026-01-14 21:07       ` Sakari Ailus
2026-01-15  7:51         ` Du, Bin
2026-01-14  9:45   ` Markus Elfring
2025-12-16  9:13 ` [PATCH v7 5/7] media: platform: amd: isp4 video node and buffers " Bin Du
2025-12-22 17:07   ` Sakari Ailus
2026-01-09 10:08     ` Du, Bin
2026-01-29 21:17       ` Sakari Ailus
2026-02-03  6:32         ` Du, Bin
2025-12-16  9:13 ` [PATCH v7 6/7] media: platform: amd: isp4 debug fs logging and more descriptive errors Bin Du
2025-12-16  9:13 ` [PATCH v7 7/7] Documentation: add documentation of AMD isp 4 driver Bin Du
2025-12-17  7:36 ` [PATCH v7 0/7] Add AMD ISP4 driver Sultan Alsawaf
2025-12-17  7:47   ` Du, Bin
2025-12-17 10:29 ` Du, Bin
2025-12-17 11:04   ` Sakari Ailus
2025-12-31  9:03 ` Kate Hsuan
2026-01-06  5:49   ` Kate Hsuan
2026-01-06  8:35     ` Du, Bin
2026-01-13 14:11       ` Kate Hsuan
2026-01-13 17:14         ` Nirujogi, Pratap
2026-01-14  8:59           ` Kate Hsuan
2026-01-15  6:47             ` Du, Bin

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