From 906a6e5aaef24d3c80bf6a06c794c7541aca64be Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sun, 7 Feb 2016 16:07:51 +0100 Subject: [PATCH] cpufreq: governor: Rework cpufreq_governor_dbs() 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 Acked-by: Viresh Kumar --- 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(-) diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index c65ac365a2dd..20c82913ef42 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -325,13 +325,10 @@ static void cs_exit(struct dbs_data *dbs_data, bool notify) 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) { diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index dc5bb298b449..7e579fc42d2a 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -328,9 +328,10 @@ static void free_common_dbs_info(struct cpufreq_policy *policy, 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; @@ -539,8 +540,7 @@ static int cpufreq_governor_limits(struct cpufreq_policy *policy) 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; @@ -548,7 +548,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, 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: diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index ed87b8442985..8e280b8c446a 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -276,8 +276,7 @@ static ssize_t show_sampling_rate_min_gov_pol \ extern struct mutex dbs_data_mutex; extern struct mutex cpufreq_governor_lock; 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); diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index c38a4a1111d4..dcbcbf441ac1 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -539,13 +539,10 @@ 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, }, @@ -563,12 +560,6 @@ 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; -- 2.30.2