Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936145Ab3DINuR (ORCPT ); Tue, 9 Apr 2013 09:50:17 -0400 Received: from mx17.lb01.inode.at ([62.99.145.19]:53699 "EHLO mx.inode.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756358Ab3DINtk (ORCPT ); Tue, 9 Apr 2013 09:49:40 -0400 X-Greylist: delayed 19362 seconds by postgrey-1.27 at vger.kernel.org; Tue, 09 Apr 2013 09:49:39 EDT From: Michal Bachraty To: Sebastian Hesselbarth Cc: grant.likely@secretlab.ca, rob.herring@calxeda.com, rob@landley.net, mturquette@linaro.org, devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] clk: si5351: Add gapless tuning for SI5351 PLL Date: Tue, 09 Apr 2013 15:49:37 +0200 Message-ID: <2031033.gNGydvIeAk@ganymedes> Organization: Stream Unlimited GmbH User-Agent: KMail/4.8.4 (Linux/3.2.0-29-generic-pae; KDE/4.8.4; i686; ; ) In-Reply-To: References: <1365495975-792-1-git-send-email-michal.bachraty@streamunlimited.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Authenticated-Sender: michal.bachraty@streamunlimited.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 642 Lines: 18 Hi Sebastian, > does gapless tuning have any constraints? Can we use it for all rate > changes or determine the > need for pll reset by rate offset? Today I made some test measurements ( switching from 22.5MHz to 32kHz, then to 50MHz, then to 1MHz) with good results: without any gaps and any side frequences. So there are no constrains, and we can use it for any frequences. Best, Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/