From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754727Ab3JCPfi (ORCPT ); Thu, 3 Oct 2013 11:35:38 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:16350 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754253Ab3JCPff (ORCPT ); Thu, 3 Oct 2013 11:35:35 -0400 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Thu, 03 Oct 2013 08:31:30 -0700 Date: Thu, 3 Oct 2013 18:35:19 +0300 From: Peter De Schrijver To: Stephen Warren , Mike Turquette CC: Prashant Gaikwad , "linux-arm-kernel@lists.infradead.org" , "linux-tegra@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] clk: tegra: PLLE spread spectrum control Message-ID: <20131003153519.GT3973@tbergstrom-lnx.Nvidia.com> References: <1380209654-25458-1-git-send-email-pdeschrijver@nvidia.com> <524B28EA.40702@wwwdotorg.org> <20131003105228.GK3973@tbergstrom-lnx.Nvidia.com> <524D8C0B.90707@wwwdotorg.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <524D8C0B.90707@wwwdotorg.org> X-NVConfidentiality: public User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 03, 2013 at 05:23:55PM +0200, Stephen Warren wrote: > On 10/03/2013 04:52 AM, Peter De Schrijver wrote: > > On Tue, Oct 01, 2013 at 09:56:26PM +0200, Stephen Warren wrote: > >> On 09/26/2013 09:34 AM, Peter De Schrijver wrote: > >>> Add spread spectrum control for PLLE in Tegra114. > >> > >> It would be useful to have some description of the end-user-visible > >> benefit of this change; why is it useful? > > > > spread spectrum clocking is a technique to reduce EMI caused by the clock > > signal by modulating the frequency with a low frequency signal. This should > > reduce interference with eg. Wifi or cellular modems on the same board. > > Great. The intent of my request was for that information to be included > in the patch description. > Mike, Do you want a version 2 for this? Cheers, Peter.