From mboxrd@z Thu Jan 1 00:00:00 1970 From: Namhyung Kim Subject: [PATCH -next 2/3] cpufreq: conservative: Break out earlier on the lowest frequency Date: Thu, 28 Feb 2013 14:38:01 +0900 Message-ID: <1362029882-28993-2-git-send-email-namhyung@kernel.org> References: <1362029882-28993-1-git-send-email-namhyung@kernel.org> Return-path: Received: from LGEMRELSE7Q.lge.com ([156.147.1.151]:60138 "EHLO LGEMRELSE7Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750856Ab3B1FiJ (ORCPT ); Thu, 28 Feb 2013 00:38:09 -0500 In-Reply-To: <1362029882-28993-1-git-send-email-namhyung@kernel.org> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Rafael J. Wysocki" Cc: LKML , cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, Namhyung Kim , Viresh Kumar From: Namhyung Kim If we're on the lowest frequency, no need to calculate new freq. Break out even earlier in this case. Cc: Viresh Kumar Signed-off-by: Namhyung Kim --- drivers/cpufreq/cpufreq_conservative.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 4fd0006b1291..dd2fd9094819 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -93,18 +93,18 @@ static void cs_check_cpu(int cpu, unsigned int load) * safe, we focus 10 points under the threshold. */ if (load < (cs_tuners.down_threshold - 10)) { - freq_target = (cs_tuners.freq_step * policy->max) / 100; - - dbs_info->requested_freq -= freq_target; - if (dbs_info->requested_freq < policy->min) - dbs_info->requested_freq = policy->min; - /* * if we cannot reduce the frequency anymore, break out early */ if (policy->cur == policy->min) return; + freq_target = (cs_tuners.freq_step * policy->max) / 100; + + dbs_info->requested_freq -= freq_target; + if (dbs_info->requested_freq < policy->min) + dbs_info->requested_freq = policy->min; + __cpufreq_driver_target(policy, dbs_info->requested_freq, CPUFREQ_RELATION_H); return; -- 1.7.11.7