linux-kernel - Re: RFC: Enable wakeup for intermediate USB bridge devices

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Date:	Thu, 15 Sep 2011 19:10:16 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	Sameer Nanda <snanda@...omium.org>
Cc:	stern@...land.harvard.edu, gregkh@...e.de,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Vincent Palatin <vpalatin@...omium.org>, olofj@...omium.org
Subject: Re: RFC: Enable wakeup for intermediate USB bridge devices

Am Donnerstag, 15. September 2011, 19:03:11 schrieb Sameer Nanda:
> The proposal is to enable wakeup by default on the intermediate bridge
> devices such as ehci-pci and ohci-hcd.  This allows wake from USB
> keyboard to work by default.  For non-keyboard devices, the user will
> still need to explicitly enable them as a wakesources so there is no
> change in the device wakeup policy from what is in place currently for
> those devices.

Have you tested what this means for power sessions on laptops?
Is power kept on under those conditions? How much testing has this
patch seen?

	Regards
		Oliver
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