From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [PATCH][RFC] smsc95xx: enable dynamic autosuspend (RFC) Date: Tue, 11 Dec 2012 16:19:34 +0100 Message-ID: <3108632.YdjKGB5H1R@linux-lqwf.site> References: <1353607526-19307-6-git-send-email-steve.glendinning@shawell.net> <1881907.JmjSTg2PBW@linux-lqwf.site> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: Steve Glendinning , Steve Glendinning , netdev , linux-usb@vger.kernel.org, Greg Kroah-Hartman To: Ming Lei Return-path: Received: from smtp-out003.kontent.com ([81.88.40.217]:60622 "EHLO smtp-out003.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753833Ab2LKPTL (ORCPT ); Tue, 11 Dec 2012 10:19:11 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Tuesday 11 December 2012 20:53:19 Ming Lei wrote: > In fact, I have test data which can show a much power save > on OMAP3 based beagle board plus asix usbnet device with > the periodic work. IMO, the power save after introducing periodic > timer depends on the arch or platform, there should be much power > save if the CPU power consumption is very less. So how about letting > module parameter switch on/off the periodic work? You could ask on linux-power and netdev. But there would be an obvious question: Why kernel space? Regards Oliver