From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Dinghao Liu <dinghao.liu@zju.edu.cn>
Cc: kjlu@umn.edu, Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: smiapp: Fix runtime PM imbalance on error
Date: Mon, 25 May 2020 11:09:02 +0300 [thread overview]
Message-ID: <20200525080902.GC7618@paasikivi.fi.intel.com> (raw)
In-Reply-To: <20200522090313.10634-1-dinghao.liu@zju.edu.cn>
Hi Dinghao,
Thanks for the patch.
On Fri, May 22, 2020 at 05:03:13PM +0800, Dinghao Liu wrote:
> When v4l2_async_register_subdev_sensor_common() returns
> an error code, a pairing runtime PM usage counter
> decrement is needed to keep the counter balanced.
>
> Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
> ---
> drivers/media/i2c/smiapp/smiapp-core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
> index 5e4f6a2ef78e..43ba63c48a87 100644
> --- a/drivers/media/i2c/smiapp/smiapp-core.c
> +++ b/drivers/media/i2c/smiapp/smiapp-core.c
> @@ -3103,6 +3103,7 @@ static int smiapp_probe(struct i2c_client *client)
> return 0;
>
> out_disable_runtime_pm:
> + pm_runtime_put_autosuspend(&client->dev);
Can you use pm_runtime_put_noidle(), as the device musn't be powered off
here yet?
> pm_runtime_disable(&client->dev);
>
> out_media_entity_cleanup:
--
Regards,
Sakari Ailus
next prev parent reply other threads:[~2020-05-25 8:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 9:03 [PATCH] media: smiapp: Fix runtime PM imbalance on error Dinghao Liu
2020-05-25 8:09 ` Sakari Ailus [this message]
2020-05-25 8:14 ` dinghao.liu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200525080902.GC7618@paasikivi.fi.intel.com \
--to=sakari.ailus@linux.intel.com \
--cc=dinghao.liu@zju.edu.cn \
--cc=kjlu@umn.edu \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).