From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: Daehwan Jung <dh10.jung@samsung.com>,
Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: usb: dwc3: gadget: Change runtime pm function for DWC3 runtime suspend
Date: Mon, 15 Feb 2021 10:54:48 +0300 [thread overview]
Message-ID: <b7d4174f-e441-58a6-25ee-fb89dd78844f@gmail.com> (raw)
In-Reply-To: <1613356739-91734-1-git-send-email-dh10.jung@samsung.com>
Hello!
On 15.02.2021 5:38, Daehwan Jung wrote:
> It seems pm_runtime_put calls runtime_idle callback not runtime_suspend callback.
> It's better to use pm_runtime_put_sync_suspend to allow DWC3 runtime suspend.
>
> Signed-off-by: Daehwan Jung <dh10.jung@samsung.com>
> ---
> drivers/usb/dwc3/gadget.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
> index aebcf8e..4a4b93b 100644
> --- a/drivers/usb/dwc3/gadget.c
> +++ b/drivers/usb/dwc3/gadget.c
> @@ -2229,7 +2229,7 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
> */
> ret = pm_runtime_get_sync(dwc->dev);
> if (!ret || ret < 0) {
BTW, this can be shortened to (ret <= 0)...
> - pm_runtime_put(dwc->dev);
> + pm_runtime_put_sync_suspend(dwc->dev);
> return 0;
> }
>
MBR, Sergei
next prev parent reply other threads:[~2021-02-15 7:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210215025057epcas2p205c3c283a8806d818d71f90c872c6e51@epcas2p2.samsung.com>
2021-02-15 2:38 ` usb: dwc3: gadget: Change runtime pm function for DWC3 runtime suspend Daehwan Jung
2021-02-15 7:54 ` Sergei Shtylyov [this message]
2021-02-15 17:41 ` Alan Stern
2021-02-16 1:30 ` Jung Daehwan
2021-02-16 15:31 ` Alan Stern
2021-02-17 0:07 ` Wesley Cheng
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=b7d4174f-e441-58a6-25ee-fb89dd78844f@gmail.com \
--to=sergei.shtylyov@gmail.com \
--cc=balbi@kernel.org \
--cc=dh10.jung@samsung.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.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