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From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Xiaolei Wang <xiaolei.wang@windriver.com>
Cc: tarang.raval@siliconsignals.io,
	laurent.pinchart@ideasonboard.com,
	dave.stevenson@raspberrypi.com, jacopo@jmondi.org,
	mchehab@kernel.org, prabhakar.mahadev-lad.rj@bp.renesas.com,
	hverkuil+cisco@kernel.org, johannes.goede@oss.qualcomm.com,
	hverkuil-cisco@xs4all.nl, jai.luthra@ideasonboard.com,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/3] media: i2c: ov5647: Switch to using the sub-device state lock
Date: Thu, 8 Jan 2026 00:38:07 +0200	[thread overview]
Message-ID: <aV7gT5j5JVheV6WW@kekkonen.localdomain> (raw)
In-Reply-To: <20260101103001.207194-3-xiaolei.wang@windriver.com>

Hi Xiaolei,

On Thu, Jan 01, 2026 at 06:30:00PM +0800, Xiaolei Wang wrote:
> @@ -1297,9 +1285,16 @@ static int ov5647_probe(struct i2c_client *client)
>  	if (ret < 0)
>  		goto power_off;
>  
> +	sd->state_lock = sensor->ctrls.lock;
> +	ret = v4l2_subdev_init_finalize(sd);
> +	if (ret < 0) {
> +		ret = dev_err_probe(dev, ret, "failed to init subdev\n");
> +		goto power_off;
> +	}
> +
>  	ret = v4l2_async_register_subdev(sd);

v4l2_async_register_subdev() needs to be called before enabling Runtime PM
below. Not a fault of this patch but it'd be nice to fix that. 

>  	if (ret < 0)
> -		goto power_off;
> +		goto v4l2_subdev_cleanup;
>  
>  	/* Enable runtime PM and turn off the device */
>  	pm_runtime_set_active(dev);

The first patch doesn't seem to apply; I've taken earlier a set of ov5647
patches from Dave, could you rebase this on them? They're in my "cleanup"
branch here
<URL:https://git.linuxtv.org/sailus/media_tree.git/log/?h=cleanup>.

-- 
Kind regards,

Sakari Ailus

  reply	other threads:[~2026-01-07 22:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-01 10:29 [PATCH v4 0/3] media: i2c: ov5647: Modernize driver with CCI and new stream APIs Xiaolei Wang
2026-01-01 10:29 ` [PATCH v4 1/3] media: i2c: ov5647: Convert to CCI register access helpers Xiaolei Wang
2026-01-01 11:15   ` johannes.goede
2026-01-01 11:15   ` johannes.goede
2026-01-01 10:30 ` [PATCH v4 2/3] media: i2c: ov5647: Switch to using the sub-device state lock Xiaolei Wang
2026-01-07 22:38   ` Sakari Ailus [this message]
2026-01-08  0:51     ` xiaolei wang
2026-01-01 10:30 ` [PATCH v4 3/3] media: i2c: ov5647: switch to {enable,disable}_streams Xiaolei Wang

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