From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: spurious bL cpufreq driver messages Date: Fri, 17 May 2013 14:36:28 -0500 Message-ID: <519686BC.3090101@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ia0-f172.google.com ([209.85.210.172]:63001 "EHLO mail-ia0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756063Ab3EQTgi (ORCPT ); Fri, 17 May 2013 15:36:38 -0400 Received: by mail-ia0-f172.google.com with SMTP id y26so4537684iab.31 for ; Fri, 17 May 2013 12:36:38 -0700 (PDT) Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Viresh Kumar Cc: "Rafael J. Wysocki" , "linux-arm-kernel@lists.infradead.org" , linux-pm@vger.kernel.org, Shawn Guo The bL cpufreq driver appears to collide with the cpufreq-cpu0 driver. There doesn't appear to be a functional problem, but just spurious prints which indicate it is trying to do something. I think it needs better checking whether the chip is actually multi-cluster. This is what I get when I hotplug cpus: [ 909.372319] CPU1: Booted secondary processor [ 909.372616] cpu cpu1: get_cluster_clk_and_freq_table: init_opp_table failed, cpu: 1, err: -61 [ 909.385411] cpu cpu1: get_cluster_clk_and_freq_table: Failed to get data for cluster: 9 [ 909.394161] CPU2: shutdown [ 909.400957] CPU2: Booted secondary processor [ 909.401253] cpu cpu2: get_cluster_clk_and_freq_table: init_opp_table failed, cpu: 2, err: -61 [ 909.414044] cpu cpu2: get_cluster_clk_and_freq_table: Failed to get data for cluster: 9 Rob