Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757942Ab3IMN2P (ORCPT ); Fri, 13 Sep 2013 09:28:15 -0400 Received: from mail-pb0-f51.google.com ([209.85.160.51]:44827 "EHLO mail-pb0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757908Ab3IMN2J (ORCPT ); Fri, 13 Sep 2013 09:28:09 -0400 From: Viresh Kumar To: rjw@sisk.pl Cc: linaro-kernel@lists.linaro.org, patches@linaro.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Viresh Kumar , Stephen Warren Subject: [PATCH 211/228] cpufreq: tegra: remove calls to cpufreq_notify_transition() Date: Fri, 13 Sep 2013 18:32:37 +0530 Message-Id: <69073c98beae28a6a75103dd202ec2a6b8b1a674.1379063063.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 1.7.12.rc2.18.g61b472e 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 Content-Length: 2361 Lines: 78 Most of the drivers do following in their ->target_index() routines: struct cpufreq_freqs freqs; freqs.old = old freq... freqs.new = new freq... cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); /* Change rate here */ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); This is replicated over all cpufreq drivers today and there doesn't exists a good enough reason why this shouldn't be moved to cpufreq core instead. Earlier patches have added support in cpufreq core to do cpufreq notification on frequency change, this one removes it from this driver. Some related minor cleanups are also done along with it. Cc: Stephen Warren Signed-off-by: Viresh Kumar --- drivers/cpufreq/tegra-cpufreq.c | 25 +++++-------------------- 1 file changed, 5 insertions(+), 20 deletions(-) diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c index bd7d89c..f42df7e 100644 --- a/drivers/cpufreq/tegra-cpufreq.c +++ b/drivers/cpufreq/tegra-cpufreq.c @@ -102,12 +102,8 @@ static int tegra_update_cpu_speed(struct cpufreq_policy *policy, unsigned long rate) { int ret = 0; - struct cpufreq_freqs freqs; - freqs.old = tegra_getspeed(0); - freqs.new = rate; - - if (freqs.old == freqs.new) + if (tegra_getspeed(0) == rate) return ret; /* @@ -121,21 +117,10 @@ static int tegra_update_cpu_speed(struct cpufreq_policy *policy, else clk_set_rate(emc_clk, 100000000); /* emc 50Mhz */ - cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - -#ifdef CONFIG_CPU_FREQ_DEBUG - printk(KERN_DEBUG "cpufreq-tegra: transition: %u --> %u\n", - freqs.old, freqs.new); -#endif - - ret = tegra_cpu_clk_set_rate(freqs.new * 1000); - if (ret) { - pr_err("cpu-tegra: Failed to set cpu frequency to %d kHz\n", - freqs.new); - freqs.new = freqs.old; - } - - cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); + ret = tegra_cpu_clk_set_rate(rate * 1000); + if (ret) + pr_err("cpu-tegra: Failed to set cpu frequency to %lu kHz\n", + rate); return ret; } -- 1.7.12.rc2.18.g61b472e -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/