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[209.132.180.67]) by mx.google.com with ESMTP id o8-v6si10830986pgp.628.2018.05.21.05.42.00; Mon, 21 May 2018 05:42:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@armlinux.org.uk header.s=pandora-2014 header.b=DOgzH6jg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=armlinux.org.uk Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751565AbeEUMls (ORCPT + 99 others); Mon, 21 May 2018 08:41:48 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:39388 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750999AbeEUMlq (ORCPT ); Mon, 21 May 2018 08:41:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2014; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=jKONjEnq2Ir/YZ///Jtz4b+hpNj0vVV2EveUpnJ0geI=; b=DOgzH6jgHUZYEK/h5c0pIpHi1 5DzYLm9yZlrFlxNaG7XIZq7JMj5wrviDva2G3nKntzRAUxPaaw3uGZFtYxGrC7f7o3+K/YXJs2qKg o2rkWk0EJ77W0/uCrsGBeX3S4Zh1bnIMSiguc2CO/MFwqlKespjtzdEmqFev7mnMSyHjw=; Received: from n2100.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:4f86]:47734) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.90_1) (envelope-from ) id 1fKk8D-0006PV-Bw; Mon, 21 May 2018 13:41:41 +0100 Received: from linux by n2100.armlinux.org.uk with local (Exim 4.90_1) (envelope-from ) id 1fKk8A-0000TO-0w; Mon, 21 May 2018 13:41:38 +0100 Date: Mon, 21 May 2018 13:41:36 +0100 From: Russell King - ARM Linux To: ilialin@codeaurora.org Cc: viresh.kumar@linaro.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] cpufreq: Add Kryo CPU scaling driver Message-ID: <20180521124136.GP17671@n2100.armlinux.org.uk> References: <1526555955-29960-11-git-send-email-ilialin@codeaurora.org> <1526898690-4018-1-git-send-email-ilialin@codeaurora.org> <20180521105428.GM17671@n2100.armlinux.org.uk> <000b01d3f0f3$aa961cc0$ffc25640$@codeaurora.org> <20180521121140.GO17671@n2100.armlinux.org.uk> <000d01d3f100$294247e0$7bc6d7a0$@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000d01d3f100$294247e0$7bc6d7a0$@codeaurora.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 21, 2018 at 03:35:07PM +0300, ilialin@codeaurora.org wrote: > There are 2 CPU clusters in the Kryo, CPU 0 and 1 are called Silver Cluster > and CPU 2 and 3 - Gold Cluster. Each cluster has single clock. The clusters > differ in terms of speed capabilities, computing power and power > consumption. Therefore, I define separate OPP table for each cluster, and my > driver will choose the appropriate OPP subset for each cluster. > Lead refers to first CPU in the cluster. Ah, that is really confusing. Lead can means many things. Maybe a little more verbosity with the names such as SILVER_CLUSTER_LEAD_CPU would help? -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up According to speedtest.net: 8.21Mbps down 510kbps up