linux-kernel - Re: [PATCH v2] media: staging: ipu3-imgu: Set fields before media_entity_pads

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Date: Tue, 9 Jan 2024 10:51:15 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Hidenori Kobayashi <hidenorik@...omium.org>
Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Bingbu Cao <bingbu.cao@...el.com>,
	Tianshu Qiu <tian.shu.qiu@...el.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Yong Zhi <yong.zhi@...el.com>, stable@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
	linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] media: staging: ipu3-imgu: Set fields before
 media_entity_pads_init()

On Tue, Jan 09, 2024 at 01:14:59PM +0900, Hidenori Kobayashi wrote:
> The imgu driver fails to probe because it does not set the pad's flags
> before calling media_entity_pads_init(). Fix the initialization order so
> that the driver probe succeeds. The ops initialization is also moved
> together for readability.
> 

Wait, I was really hoping you would include these lines in the commit
message:

the imgu driver fails to probe with the following message:

[   14.596315] ipu3-imgu 0000:00:05.0: failed initialize subdev media entity (-22)
[   14.596322] ipu3-imgu 0000:00:05.0: failed to register subdev0 ret (-22)
[   14.596327] ipu3-imgu 0000:00:05.0: failed to register pipes (-22)
[   14.596331] ipu3-imgu 0000:00:05.0: failed to create V4L2 devices (-22)

That's what people will search for when they run intio the problem.
Could you please resend a v3?  Normally, editing a commit message is
pretty easy, right?

regards,
dan carpenter