From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: Re: [PATCH] forcedeth: add clock gating feature Date: Tue, 28 Apr 2009 10:48:14 +0200 Message-ID: <200904281048.15663.florian@openwrt.org> References: <49F5A5A7.4050609@nvidia.com> <20090427122447.a006a21e.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Ayaz Abdulla , manfred@colorfullife.com, davem@davemloft.net, netdev@vger.kernel.org To: Andrew Morton Return-path: Received: from mail-ew0-f176.google.com ([209.85.219.176]:55330 "EHLO mail-ew0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753080AbZD1IsU convert rfc822-to-8bit (ORCPT ); Tue, 28 Apr 2009 04:48:20 -0400 Received: by ewy24 with SMTP id 24so406224ewy.37 for ; Tue, 28 Apr 2009 01:48:18 -0700 (PDT) In-Reply-To: <20090427122447.a006a21e.akpm@linux-foundation.org> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Hi, Le Monday 27 April 2009 21:24:47 Andrew Morton, vous avez =E9crit=A0: > On Mon, 27 Apr 2009 08:31:35 -0400 > > Ayaz Abdulla wrote: > > This patch adds support for clock gating the tx/rx engines which is > > available on certain chipsets. > > What are the effects of this patch? Improved power management? Fixe= s > a user-visible bug? Something else? Clock gating is a design technique which improves power consumption by = only=20 clocking the necessary parts of the chip. Ayaz do you have any figures on how this patch reduces consumption ? --=20 Best regards, Florian Fainelli Email : florian@openwrt.org http://openwrt.org -------------------------------