From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752397AbcBECVo (ORCPT ); Thu, 4 Feb 2016 21:21:44 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:49998 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752262AbcBECVh (ORCPT ); Thu, 4 Feb 2016 21:21:37 -0500 From: "Rafael J. Wysocki" To: Linux PM list Cc: Linux Kernel Mailing List , Viresh Kumar , Srinivas Pandruvada , Juri Lelli , Steve Muckle , Saravana Kannan Subject: [PATCH v2 6/10] cpufreq: governor: Rework cpufreq_governor_dbs() Date: Fri, 05 Feb 2016 03:18:26 +0100 Message-ID: <41589956.sxJrHjYhQ2@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/4.5.0-rc1+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <9008098.QDD8C89zDx@vostro.rjw.lan> References: <3705929.bslqXH980s@vostro.rjw.lan> <9008098.QDD8C89zDx@vostro.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rafael J. Wysocki Since it is possible to obtain a pointer to struct dbs_governor from a pointer to the struct governor embedded in it via container_of(), the second argument of cpufreq_governor_init() is not necessary. Accordingly, cpufreq_governor_dbs() doesn't need its second argument either and the ->governor callbacks for both the ondemand and conservative governors may be set to cpufreq_governor_dbs() directly. Make that happen. Signed-off-by: Rafael J. Wysocki Acked-by: Saravana Kannan --- drivers/cpufreq/cpufreq_conservative.c | 11 +---------- drivers/cpufreq/cpufreq_governor.c | 10 +++++----- drivers/cpufreq/cpufreq_governor.h | 3 +-- drivers/cpufreq/cpufreq_ondemand.c | 11 +---------- 4 files changed, 8 insertions(+), 27 deletions(-) Index: linux-pm/drivers/cpufreq/cpufreq_conservative.c =================================================================== --- linux-pm.orig/drivers/cpufreq/cpufreq_conservative.c +++ linux-pm/drivers/cpufreq/cpufreq_conservative.c @@ -325,13 +325,10 @@ static void cs_exit(struct dbs_data *dbs define_get_cpu_dbs_routines(cs_cpu_dbs_info); -static int cs_cpufreq_governor_dbs(struct cpufreq_policy *policy, - unsigned int event); - static struct dbs_governor cs_dbs_gov = { .gov = { .name = "conservative", - .governor = cs_cpufreq_governor_dbs, + .governor = cpufreq_governor_dbs, .max_transition_latency = TRANSITION_LATENCY_LIMIT, .owner = THIS_MODULE, }, @@ -348,12 +345,6 @@ static struct dbs_governor cs_dbs_gov = #define CPU_FREQ_GOV_CONSERVATIVE (&cs_dbs_gov.gov) -static int cs_cpufreq_governor_dbs(struct cpufreq_policy *policy, - unsigned int event) -{ - return cpufreq_governor_dbs(policy, &cs_dbs_gov, event); -} - static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data) { Index: linux-pm/drivers/cpufreq/cpufreq_governor.c =================================================================== --- linux-pm.orig/drivers/cpufreq/cpufreq_governor.c +++ linux-pm/drivers/cpufreq/cpufreq_governor.c @@ -324,9 +324,10 @@ static void free_common_dbs_info(struct kfree(shared); } -static int cpufreq_governor_init(struct cpufreq_policy *policy, - struct dbs_governor *gov) +static int cpufreq_governor_init(struct cpufreq_policy *policy) { + struct dbs_governor *gov = container_of(policy->governor, + struct dbs_governor, gov); struct dbs_data *dbs_data = gov->gdbs_data; unsigned int latency; int ret; @@ -537,8 +538,7 @@ static int cpufreq_governor_limits(struc return 0; } -int cpufreq_governor_dbs(struct cpufreq_policy *policy, - struct dbs_governor *gov, unsigned int event) +int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int event) { int ret = -EINVAL; @@ -546,7 +546,7 @@ int cpufreq_governor_dbs(struct cpufreq_ mutex_lock(&dbs_data_mutex); if (event == CPUFREQ_GOV_POLICY_INIT) { - ret = cpufreq_governor_init(policy, gov); + ret = cpufreq_governor_init(policy); } else if (policy->governor_data) { switch (event) { case CPUFREQ_GOV_POLICY_EXIT: Index: linux-pm/drivers/cpufreq/cpufreq_governor.h =================================================================== --- linux-pm.orig/drivers/cpufreq/cpufreq_governor.h +++ linux-pm/drivers/cpufreq/cpufreq_governor.h @@ -276,8 +276,7 @@ void gov_set_update_util(struct cpu_comm unsigned int delay_us); void gov_cancel_work(struct cpu_common_dbs_info *shared); void dbs_check_cpu(struct dbs_data *dbs_data, int cpu); -int cpufreq_governor_dbs(struct cpufreq_policy *policy, - struct dbs_governor *gov, unsigned int event); +int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int event); void od_register_powersave_bias_handler(unsigned int (*f) (struct cpufreq_policy *, unsigned int, unsigned int), unsigned int powersave_bias); Index: linux-pm/drivers/cpufreq/cpufreq_ondemand.c =================================================================== --- linux-pm.orig/drivers/cpufreq/cpufreq_ondemand.c +++ linux-pm/drivers/cpufreq/cpufreq_ondemand.c @@ -535,13 +535,10 @@ static struct od_ops od_ops = { .freq_increase = dbs_freq_increase, }; -static int od_cpufreq_governor_dbs(struct cpufreq_policy *policy, - unsigned int event); - static struct dbs_governor od_dbs_gov = { .gov = { .name = "ondemand", - .governor = od_cpufreq_governor_dbs, + .governor = cpufreq_governor_dbs, .max_transition_latency = TRANSITION_LATENCY_LIMIT, .owner = THIS_MODULE, }, @@ -559,12 +556,6 @@ static struct dbs_governor od_dbs_gov = #define CPU_FREQ_GOV_ONDEMAND (&od_dbs_gov.gov) -static int od_cpufreq_governor_dbs(struct cpufreq_policy *policy, - unsigned int event) -{ - return cpufreq_governor_dbs(policy, &od_dbs_gov, event); -} - static void od_set_powersave_bias(unsigned int powersave_bias) { struct cpufreq_policy *policy;