A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

[CPUFREQ] Lots of whitespace & CodingStyle cleanup.

Browse source 
Signed-off-by: Dave Jones <[email protected]>
This commit is contained in:
Dave Jones 2006-02-28 00:43:23 -05:00
commit 32ee8c3e47
20 changed files with 343 additions and 371 deletions
Download patch file Download diff file Expand all files Collapse all files

54
drivers/cpufreq/cpufreq.c
View file

@ -5,7 +5,7 @@
* (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
*
* Oct 2005 - Ashok Raj <ashok.raj@intel.com>
* Added handling for CPU hotplug
* Added handling for CPU hotplug
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -44,8 +44,8 @@ static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event)
static void handle_update(void *data);
/**
* Two notifier lists: the "policy" list is involved in the
* validation process for a new CPU frequency policy; the
* Two notifier lists: the "policy" list is involved in the
* validation process for a new CPU frequency policy; the
* "transition" list for kernel code that needs to handle
* changes to devices when the CPU clock speed changes.
* The mutex locks both lists.
@ -151,7 +151,7 @@ void cpufreq_debug_printk(unsigned int type, const char *prefix, const char *fmt
va_list args;
unsigned int len;
unsigned long flags;
WARN_ON(!prefix);
if (type & debug) {
spin_lock_irqsave(&disable_ratelimit_lock, flags);
@ -198,7 +198,7 @@ static inline void cpufreq_debug_disable_ratelimit(void) { return; }
*
* This function alters the system "loops_per_jiffy" for the clock
* speed change. Note that loops_per_jiffy cannot be updated on SMP
* systems as each CPU might be scaled differently. So, use the arch
* systems as each CPU might be scaled differently. So, use the arch
* per-CPU loops_per_jiffy value wherever possible.
*/
#ifndef CONFIG_SMP
@ -233,7 +233,7 @@ static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) {
*
* This function calls the transition notifiers and the "adjust_jiffies"
* function. It is called twice on all CPU frequency changes that have
* external effects.
* external effects.
*/
void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
{
@ -251,7 +251,7 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
switch (state) {
case CPUFREQ_PRECHANGE:
/* detect if the driver reported a value as "old frequency"
/* detect if the driver reported a value as "old frequency"
* which is not equal to what the cpufreq core thinks is
* "old frequency".
*/
@ -335,11 +335,11 @@ extern struct sysdev_class cpu_sysdev_class;
* "unsigned int".
*/
#define show_one(file_name, object) \
static ssize_t show_##file_name \
(struct cpufreq_policy * policy, char *buf) \
{ \
return sprintf (buf, "%u\n", policy->object); \
#define show_one(file_name, object) \
static ssize_t show_##file_name \
(struct cpufreq_policy * policy, char *buf) \
{ \
return sprintf (buf, "%u\n", policy->object); \
}
show_one(cpuinfo_min_freq, cpuinfo.min_freq);
@ -404,8 +404,8 @@ static ssize_t show_scaling_governor (struct cpufreq_policy * policy, char *buf)
/**
* store_scaling_governor - store policy for the specified CPU
*/
static ssize_t store_scaling_governor (struct cpufreq_policy * policy,
const char *buf, size_t count)
static ssize_t store_scaling_governor (struct cpufreq_policy * policy,
const char *buf, size_t count)
{
unsigned int ret = -EINVAL;
char str_governor[16];
@ -528,7 +528,7 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr ,char * buf)
return ret;
}
static ssize_t store(struct kobject * kobj, struct attribute * attr,
static ssize_t store(struct kobject * kobj, struct attribute * attr,
const char * buf, size_t count)
{
struct cpufreq_policy * policy = to_policy(kobj);
@ -564,7 +564,7 @@ static struct kobj_type ktype_cpufreq = {
/**
* cpufreq_add_dev - add a CPU device
*
* Adds the cpufreq interface for a CPU device.
* Adds the cpufreq interface for a CPU device.
*/
static int cpufreq_add_dev (struct sys_device * sys_dev)
{
@ -724,7 +724,7 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
#ifdef CONFIG_SMP
/* if this isn't the CPU which is the parent of the kobj, we
* only need to unlink, put and exit
* only need to unlink, put and exit
*/
if (unlikely(cpu != data->cpu)) {
dprintk("removing link\n");
@ -740,7 +740,7 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
if (!kobject_get(&data->kobj)) {
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
cpufreq_debug_enable_ratelimit();
return -EFAULT;
return -EFAULT;
}
#ifdef CONFIG_SMP
@ -783,7 +783,7 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
kobject_put(&data->kobj);
/* we need to make sure that the underlying kobj is actually
* not referenced anymore by anybody before we proceed with
* not referenced anymore by anybody before we proceed with
* unloading.
*/
dprintk("waiting for dropping of refcount\n");
@ -831,7 +831,7 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigne
}
/**
/**
* cpufreq_quick_get - get the CPU frequency (in kHz) frpm policy->cur
* @cpu: CPU number
*
@ -855,7 +855,7 @@ unsigned int cpufreq_quick_get(unsigned int cpu)
EXPORT_SYMBOL(cpufreq_quick_get);
/**
/**
* cpufreq_get - get the current CPU frequency (in kHz)
* @cpu: CPU number
*
@ -1072,7 +1072,7 @@ static struct sysdev_driver cpufreq_sysdev_driver = {
* @nb: notifier function to register
* @list: CPUFREQ_TRANSITION_NOTIFIER or CPUFREQ_POLICY_NOTIFIER
*
* Add a driver to one of two lists: either a list of drivers that
* Add a driver to one of two lists: either a list of drivers that
* are notified about clock rate changes (once before and once after
* the transition), or a list of drivers that are notified about
* changes in cpufreq policy.
@ -1225,7 +1225,7 @@ int cpufreq_register_governor(struct cpufreq_governor *governor)
return -EINVAL;
mutex_lock(&cpufreq_governor_mutex);
list_for_each_entry(t, &cpufreq_governor_list, governor_list) {
if (!strnicmp(governor->name,t->name,CPUFREQ_NAME_LEN)) {
mutex_unlock(&cpufreq_governor_mutex);
@ -1234,7 +1234,7 @@ int cpufreq_register_governor(struct cpufreq_governor *governor)
}
list_add(&governor->governor_list, &cpufreq_governor_list);
mutex_unlock(&cpufreq_governor_mutex);
mutex_unlock(&cpufreq_governor_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(cpufreq_register_governor);
@ -1497,9 +1497,9 @@ static struct notifier_block cpufreq_cpu_notifier =
* @driver_data: A struct cpufreq_driver containing the values#
* submitted by the CPU Frequency driver.
*
* Registers a CPU Frequency driver to this core code. This code
* Registers a CPU Frequency driver to this core code. This code
* returns zero on success, -EBUSY when another driver got here first
* (and isn't unregistered in the meantime).
* (and isn't unregistered in the meantime).
*
*/
int cpufreq_register_driver(struct cpufreq_driver *driver_data)
@ -1560,7 +1560,7 @@ EXPORT_SYMBOL_GPL(cpufreq_register_driver);
/**
* cpufreq_unregister_driver - unregister the current CPUFreq driver
*
* Unregister the current CPUFreq driver. Only call this if you have
* Unregister the current CPUFreq driver. Only call this if you have
* the right to do so, i.e. if you have succeeded in initialising before!
* Returns zero if successful, and -EINVAL if the cpufreq_driver is
* currently not initialised.

86
drivers/cpufreq/cpufreq_ondemand.c
View file

@ -38,17 +38,17 @@
#define MIN_FREQUENCY_UP_THRESHOLD (11)
#define MAX_FREQUENCY_UP_THRESHOLD (100)
/*
* The polling frequency of this governor depends on the capability of
/*
* The polling frequency of this governor depends on the capability of
* the processor. Default polling frequency is 1000 times the transition
* latency of the processor. The governor will work on any processor with
* transition latency <= 10mS, using appropriate sampling
* latency of the processor. The governor will work on any processor with
* transition latency <= 10mS, using appropriate sampling
* rate.
* For CPUs with transition latency > 10mS (mostly drivers with CPUFREQ_ETERNAL)
* this governor will not work.
* All times here are in uS.
*/
static unsigned int def_sampling_rate;
static unsigned int def_sampling_rate;
#define MIN_SAMPLING_RATE_RATIO (2)
/* for correct statistics, we need at least 10 ticks between each measure */
#define MIN_STAT_SAMPLING_RATE (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10))
@ -62,28 +62,28 @@ static unsigned int def_sampling_rate;
static void do_dbs_timer(void *data);
struct cpu_dbs_info_s {
struct cpufreq_policy *cur_policy;
unsigned int prev_cpu_idle_up;
unsigned int prev_cpu_idle_down;
unsigned int enable;
struct cpufreq_policy *cur_policy;
unsigned int prev_cpu_idle_up;
unsigned int prev_cpu_idle_down;
unsigned int enable;
};
static DEFINE_PER_CPU(struct cpu_dbs_info_s, cpu_dbs_info);
static unsigned int dbs_enable; /* number of CPUs using this policy */
static DEFINE_MUTEX (dbs_mutex);
static DEFINE_MUTEX (dbs_mutex);
static DECLARE_WORK (dbs_work, do_dbs_timer, NULL);
struct dbs_tuners {
unsigned int sampling_rate;
unsigned int sampling_down_factor;
unsigned int up_threshold;
unsigned int ignore_nice;
unsigned int sampling_rate;
unsigned int sampling_down_factor;
unsigned int up_threshold;
unsigned int ignore_nice;
};
static struct dbs_tuners dbs_tuners_ins = {
.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
};
static inline unsigned int get_cpu_idle_time(unsigned int cpu)
@ -106,8 +106,8 @@ static ssize_t show_sampling_rate_min(struct cpufreq_policy *policy, char *buf)
return sprintf (buf, "%u\n", MIN_SAMPLING_RATE);
}
#define define_one_ro(_name) \
static struct freq_attr _name = \
#define define_one_ro(_name) \
static struct freq_attr _name = \
__ATTR(_name, 0444, show_##_name, NULL)
define_one_ro(sampling_rate_max);
@ -125,7 +125,7 @@ show_one(sampling_down_factor, sampling_down_factor);
show_one(up_threshold, up_threshold);
show_one(ignore_nice_load, ignore_nice);
static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused,
static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused,
const char *buf, size_t count)
{
unsigned int input;
@ -144,7 +144,7 @@ static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused,
return count;
}
static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
const char *buf, size_t count)
{
unsigned int input;
@ -163,7 +163,7 @@ static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
return count;
}
static ssize_t store_up_threshold(struct cpufreq_policy *unused,
static ssize_t store_up_threshold(struct cpufreq_policy *unused,
const char *buf, size_t count)
{
unsigned int input;
@ -171,7 +171,7 @@ static ssize_t store_up_threshold(struct cpufreq_policy *unused,
ret = sscanf (buf, "%u", &input);
mutex_lock(&dbs_mutex);
if (ret != 1 || input > MAX_FREQUENCY_UP_THRESHOLD ||
if (ret != 1 || input > MAX_FREQUENCY_UP_THRESHOLD ||
input < MIN_FREQUENCY_UP_THRESHOLD) {
mutex_unlock(&dbs_mutex);
return -EINVAL;
@ -190,14 +190,14 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy,
int ret;
unsigned int j;
ret = sscanf (buf, "%u", &input);
if ( ret != 1 )
return -EINVAL;
if ( input > 1 )
input = 1;
mutex_lock(&dbs_mutex);
if ( input == dbs_tuners_ins.ignore_nice ) { /* nothing to do */
mutex_unlock(&dbs_mutex);
@ -259,16 +259,16 @@ static void dbs_check_cpu(int cpu)
return;
policy = this_dbs_info->cur_policy;
/*
/*
* Every sampling_rate, we check, if current idle time is less
* than 20% (default), then we try to increase frequency
* Every sampling_rate*sampling_down_factor, we look for a the lowest
* frequency which can sustain the load while keeping idle time over
* 30%. If such a frequency exist, we try to decrease to this frequency.
*
* Any frequency increase takes it to the maximum frequency.
* Frequency reduction happens at minimum steps of
* 5% (default) of current frequency
* Any frequency increase takes it to the maximum frequency.
* Frequency reduction happens at minimum steps of
* 5% (default) of current frequency
*/
/* Check for frequency increase */
@ -298,14 +298,14 @@ static void dbs_check_cpu(int cpu)
struct cpu_dbs_info_s *j_dbs_info;
j_dbs_info = &per_cpu(cpu_dbs_info, j);
j_dbs_info->prev_cpu_idle_down =
j_dbs_info->prev_cpu_idle_down =
j_dbs_info->prev_cpu_idle_up;
}
/* if we are already at full speed then break out early */
if (policy->cur == policy->max)
return;
__cpufreq_driver_target(policy, policy->max,
__cpufreq_driver_target(policy, policy->max,
CPUFREQ_RELATION_H);
return;
}
@ -347,7 +347,7 @@ static void dbs_check_cpu(int cpu)
* policy. To be safe, we focus 10 points under the threshold.
*/
freq_next = ((total_ticks - idle_ticks) * 100) / total_ticks;
freq_next = (freq_next * policy->cur) /
freq_next = (freq_next * policy->cur) /
(dbs_tuners_ins.up_threshold - 10);
if (freq_next <= ((policy->cur * 95) / 100))
@ -355,15 +355,15 @@ static void dbs_check_cpu(int cpu)
}
static void do_dbs_timer(void *data)
{
{
int i;
mutex_lock(&dbs_mutex);
for_each_online_cpu(i)
dbs_check_cpu(i);
schedule_delayed_work(&dbs_work,
schedule_delayed_work(&dbs_work,
usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
mutex_unlock(&dbs_mutex);
}
}
static inline void dbs_timer_init(void)
{
@ -390,7 +390,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
switch (event) {
case CPUFREQ_GOV_START:
if ((!cpu_online(cpu)) ||
if ((!cpu_online(cpu)) ||
(!policy->cur))
return -EINVAL;
@ -399,13 +399,13 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
return -EINVAL;
if (this_dbs_info->enable) /* Already enabled */
break;
mutex_lock(&dbs_mutex);
for_each_cpu_mask(j, policy->cpus) {
struct cpu_dbs_info_s *j_dbs_info;
j_dbs_info = &per_cpu(cpu_dbs_info, j);
j_dbs_info->cur_policy = policy;
j_dbs_info->prev_cpu_idle_up = get_cpu_idle_time(j);
j_dbs_info->prev_cpu_idle_down
= j_dbs_info->prev_cpu_idle_up;
@ -435,7 +435,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
dbs_timer_init();
}
mutex_unlock(&dbs_mutex);
break;
@ -448,9 +448,9 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
* Stop the timerschedule work, when this governor
* is used for first time
*/
if (dbs_enable == 0)
if (dbs_enable == 0)
dbs_timer_exit();
mutex_unlock(&dbs_mutex);
break;
@ -460,11 +460,11 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
if (policy->max < this_dbs_info->cur_policy->cur)
__cpufreq_driver_target(
this_dbs_info->cur_policy,
policy->max, CPUFREQ_RELATION_H);
policy->max, CPUFREQ_RELATION_H);
else if (policy->min > this_dbs_info->cur_policy->cur)
__cpufreq_driver_target(
this_dbs_info->cur_policy,
policy->min, CPUFREQ_RELATION_L);
policy->min, CPUFREQ_RELATION_L);
mutex_unlock(&dbs_mutex);
break;
}

2
drivers/cpufreq/cpufreq_performance.c
View file

@ -32,7 +32,7 @@ static int cpufreq_governor_performance(struct cpufreq_policy *policy,
}
return 0;
}
struct cpufreq_governor cpufreq_gov_performance = {
.name = "performance",
.governor = cpufreq_governor_performance,

2
drivers/cpufreq/cpufreq_powersave.c
View file

@ -31,7 +31,7 @@ static int cpufreq_governor_powersave(struct cpufreq_policy *policy,
}
return 0;
}
static struct cpufreq_governor cpufreq_gov_powersave = {
.name = "powersave",
.governor = cpufreq_governor_powersave,

6
drivers/cpufreq/cpufreq_stats.c
View file

@ -2,7 +2,7 @@
* drivers/cpufreq/cpufreq_stats.c
*
* Copyright (C) 2003-2004 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>.
* (C) 2004 Zou Nan hai <nanhai.zou@intel.com>.
* (C) 2004 Zou Nan hai <nanhai.zou@intel.com>.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -90,7 +90,7 @@ show_time_in_state(struct cpufreq_policy *policy, char *buf)
return 0;
cpufreq_stats_update(stat->cpu);
for (i = 0; i < stat->state_num; i++) {
len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i],
len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i],
(unsigned long long)cputime64_to_clock_t(stat->time_in_state[i]));
}
return len;
@ -171,7 +171,7 @@ cpufreq_stats_free_table (unsigned int cpu)
{
struct cpufreq_stats *stat = cpufreq_stats_table[cpu];
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
if (policy && policy->cpu == cpu)
if (policy && policy->cpu == cpu)
sysfs_remove_group(&policy->kobj, &stats_attr_group);
if (stat) {
kfree(stat->time_in_state);

12
drivers/cpufreq/cpufreq_userspace.c
View file

@ -41,7 +41,7 @@ static DEFINE_MUTEX (userspace_mutex);
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "userspace", msg)
/* keep track of frequency transitions */
static int
static int
userspace_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
void *data)
{
@ -58,7 +58,7 @@ static struct notifier_block userspace_cpufreq_notifier_block = {
};
/**
/**
* cpufreq_set - set the CPU frequency
* @freq: target frequency in kHz
* @cpu: CPU for which the frequency is to be set
@ -103,8 +103,8 @@ static ssize_t show_speed (struct cpufreq_policy *policy, char *buf)
return sprintf (buf, "%u\n", cpu_cur_freq[policy->cpu]);
}
static ssize_t
store_speed (struct cpufreq_policy *policy, const char *buf, size_t count)
static ssize_t
store_speed (struct cpufreq_policy *policy, const char *buf, size_t count)
{
unsigned int freq = 0;
unsigned int ret;
@ -118,7 +118,7 @@ store_speed (struct cpufreq_policy *policy, const char *buf, size_t count)
return count;
}
static struct freq_attr freq_attr_scaling_setspeed =
static struct freq_attr freq_attr_scaling_setspeed =
{
.attr = { .name = "scaling_setspeed", .mode = 0644, .owner = THIS_MODULE },
.show = show_speed,
@ -135,7 +135,7 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy,
return -EINVAL;
BUG_ON(!policy->cur);
mutex_lock(&userspace_mutex);
cpu_is_managed[cpu] = 1;
cpu_is_managed[cpu] = 1;
cpu_min_freq[cpu] = policy->min;
cpu_max_freq[cpu] = policy->max;
cpu_cur_freq[cpu] = policy->cur;

12
drivers/cpufreq/freq_table.c
View file

@ -59,9 +59,8 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
if (!cpu_online(policy->cpu))
return -EINVAL;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
unsigned int freq = table[i].frequency;
@ -76,9 +75,8 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
if (!count)
policy->max = next_larger;
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
cpufreq_verify_within_limits(policy,
policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
dprintk("verification lead to (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu);
@ -199,7 +197,7 @@ EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs);
* if you use these, you must assure that the frequency table is valid
* all the time between get_attr and put_attr!
*/
void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table,
void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table,
unsigned int cpu)
{
dprintk("setting show_table for cpu %u to %p\n", cpu, table);