From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932344AbdGSKNr (ORCPT ); Wed, 19 Jul 2017 06:13:47 -0400 Received: from mail-pf0-f179.google.com ([209.85.192.179]:36510 "EHLO mail-pf0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932317AbdGSKNj (ORCPT ); Wed, 19 Jul 2017 06:13:39 -0400 From: Viresh Kumar To: Rafael Wysocki , Viresh Kumar Cc: linux-pm@vger.kernel.org, Vincent Guittot , linux@dominikbrodowski.net, linux-kernel@vger.kernel.org Subject: [PATCH V3 9/9] cpufreq: Allow dynamic switching with CPUFREQ_ETERNAL latency Date: Wed, 19 Jul 2017 15:42:49 +0530 Message-Id: X-Mailer: git-send-email 2.13.0.71.gd7076ec9c9cb In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With the recent updates, CPUFREQ_ETERNAL is only used by the drivers which don't know their transition latency but want to use dynamic switching. Anyway, the routine cpufreq_policy_transition_delay_us() caps the value of transition latency to 10 ms now and that can be used safely with such platforms. Remove the check from cpufreq_init_governor() and allow dynamic switching for such configurations as well. Signed-off-by: Viresh Kumar --- drivers/cpufreq/cpufreq.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index a4d9b47c4af4..c7ae67d6886d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2016,8 +2016,7 @@ static int cpufreq_init_governor(struct cpufreq_policy *policy) /* Platform doesn't want dynamic frequency switching ? */ if (policy->governor->dynamic_switching && - (cpufreq_driver->flags & CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING || - policy->cpuinfo.transition_latency == CPUFREQ_ETERNAL)) { + cpufreq_driver->flags & CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING) { struct cpufreq_governor *gov = cpufreq_fallback_governor(); if (gov) { -- 2.13.0.71.gd7076ec9c9cb