From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993284AbbHHW01 (ORCPT ); Sat, 8 Aug 2015 18:26:27 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36688 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2993299AbbHHWUX (ORCPT ); Sat, 8 Aug 2015 18:20:23 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yasuaki Ishimatsu , Dasaratharaman Chandramouli , Lukasz Anaczkowski , Kristen Carlson Accardi , "Rafael J. Wysocki" Subject: [PATCH 4.1 112/123] intel_pstate: Add get_scaling cpu_defaults param to Knights Landing Date: Sat, 8 Aug 2015 15:09:50 -0700 Message-Id: <20150808220721.533823694@linuxfoundation.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <20150808220717.771230091@linuxfoundation.org> References: <20150808220717.771230091@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lukasz Anaczkowski commit 69cefc273f942bd7bb347a02e8b5b738d5f6e6f3 upstream. Scaling for Knights Landing is same as the default scaling (100000). When Knigts Landing support was added to the pstate driver, this parameter was omitted resulting in a kernel panic during boot. Fixes: b34ef932d79a (intel_pstate: Knights Landing support) Reported-by: Yasuaki Ishimatsu Signed-off-by: Dasaratharaman Chandramouli Signed-off-by: Lukasz Anaczkowski Acked-by: Kristen Carlson Accardi Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/cpufreq/intel_pstate.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -678,6 +678,7 @@ static struct cpu_defaults knl_params = .get_max = core_get_max_pstate, .get_min = core_get_min_pstate, .get_turbo = knl_get_turbo_pstate, + .get_scaling = core_get_scaling, .set = core_set_pstate, }, };