Re: [PATCH 6/6] USB / PM: Allow USB devices to remain runtime-suspended when sleeping

From: Oliver Neukum
Date: Wed Apr 01 2015 - 08:41:35 EST

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?


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