From: Oliver Neukum <oneukum@suse.de>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>,
Linux-pm mailing list <linux-pm@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Scot Doyle <lkml14@scotdoyle.com>,
Dan Williams <dan.j.williams@intel.com>,
Julius Werner <jwerner@chromium.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Pratyush Anand <pratyush.anand@st.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
USB list <linux-usb@vger.kernel.org>,
Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 6/6] USB / PM: Allow USB devices to remain runtime-suspended when sleeping
Date: Wed, 01 Apr 2015 14:40:50 +0200 [thread overview]
Message-ID: <1427892050.30440.10.camel@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1503311259340.1453-100000@iolanthe.rowland.org>
On Tue, 2015-03-31 at 13:09 -0400, Alan Stern wrote:
> In other words, if the device is currently in runtime suspend with
> remote wakeup enabled, but device_may_wakeup() returns 0 (so that the
> device should be disabled for wakeup when the system goes into
> suspend), then the prepare callback has to return 0.
>
> Therefore what you need to do here is something like this:
>
> struct usb_device *udev = to_usb_device(dev);
>
> /* Return 0 if the current wakeup setting is wrong, otherwise
> 1 */
And the other way round?
Regards
Oliver
next prev parent reply other threads:[~2015-04-01 12:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-31 16:14 [PATCH 0/6] Allow UVC devices to remain runtime-suspended when sleeping Tomeu Vizoso
2015-03-31 16:14 ` [PATCH 1/6] [media] uvcvideo: Enable runtime PM of descendant devices Tomeu Vizoso
2015-03-31 16:14 ` [PATCH 2/6] [media] v4l2-core: Implement dev_pm_ops.prepare() Tomeu Vizoso
2015-03-31 16:14 ` [PATCH 3/6] Input: " Tomeu Vizoso
2015-03-31 16:14 ` [PATCH 4/6] [media] media-devnode: Implement dev_pm_ops.prepare callback Tomeu Vizoso
2015-03-31 16:14 ` [PATCH 5/6] Input: evdev - Enable runtime PM of the evdev input handler Tomeu Vizoso
2015-03-31 20:31 ` Dmitry Torokhov
2015-04-03 13:03 ` Tomeu Vizoso
[not found] ` <1427818501-10201-1-git-send-email-tomeu.vizoso-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2015-03-31 16:14 ` [PATCH 6/6] USB / PM: Allow USB devices to remain runtime-suspended when sleeping Tomeu Vizoso
2015-03-31 17:09 ` Alan Stern
2015-04-01 12:40 ` Oliver Neukum [this message]
2015-04-01 14:01 ` Alan Stern
2015-04-01 14:26 ` Oliver Neukum
2015-04-01 14:36 ` Alan Stern
2015-04-03 13:05 ` Tomeu Vizoso
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