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Merge branch 'pm-cpufreq'

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* pm-cpufreq: (167 commits)
  cpufreq: create per policy rwsem instead of per CPU cpu_policy_rwsem
  intel_pstate: Add Baytrail support
  intel_pstate: Refactor driver to support CPUs with different MSR layouts
  cpufreq: Implement light weight ->target_index() routine
  PM / OPP: rename header to linux/pm_opp.h
  PM / OPP: rename data structures to dev_pm equivalents
  PM / OPP: rename functions to dev_pm_opp*
  cpufreq / governor: Remove fossil comment
  cpufreq: exynos4210: Use the common clock framework to set APLL clock rate
  cpufreq: exynos4x12: Use the common clock framework to set APLL clock rate
  cpufreq: Detect spurious invocations of update_policy_cpu()
  cpufreq: pmac64: enable cpufreq on iMac G5 (iSight) model
  cpufreq: pmac64: provide cpufreq transition latency for older G5 models
  cpufreq: pmac64: speed up frequency switch
  cpufreq: highbank-cpufreq: Enable Midway/ECX-2000
  exynos-cpufreq: fix false return check from "regulator_set_voltage"
  speedstep-centrino: Remove unnecessary braces
  acpi-cpufreq: Add comment under ACPI_ADR_SPACE_SYSTEM_IO case
  cpufreq: arm-big-little: use clk_get instead of clk_get_sys
  cpufreq: exynos: Show a list of available frequencies
  ...

Conflicts:
	drivers/devfreq/exynos/exynos5_bus.c
This commit is contained in:
Rafael J. Wysocki
2013-10-28 01:29:34 +01:00
parent 6e0ca95aa3 ad7722dab7
commit 93658cb859
90 changed files with 1227 additions and 2729 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/devfreq/devfreq.c
View File

@@ -18,7 +18,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/opp.h>
#include <linux/pm_opp.h>
#include <linux/devfreq.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
@@ -902,13 +902,13 @@ static ssize_t available_frequencies_show(struct device *d,
{
struct devfreq *df = to_devfreq(d);
struct device *dev = df->dev.parent;
struct opp *opp;
struct dev_pm_opp *opp;
ssize_t count = 0;
unsigned long freq = 0;
rcu_read_lock();
do {
opp = opp_find_freq_ceil(dev, &freq);
opp = dev_pm_opp_find_freq_ceil(dev, &freq);
if (IS_ERR(opp))
break;
@@ -1029,25 +1029,26 @@ module_exit(devfreq_exit);
* under the locked area. The pointer returned must be used prior to unlocking
* with rcu_read_unlock() to maintain the integrity of the pointer.
*/
struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq,
u32 flags)
struct dev_pm_opp *devfreq_recommended_opp(struct device *dev,
unsigned long *freq,
u32 flags)
{
struct opp *opp;
struct dev_pm_opp *opp;
if (flags & DEVFREQ_FLAG_LEAST_UPPER_BOUND) {
/* The freq is an upper bound. opp should be lower */
opp = opp_find_freq_floor(dev, freq);
opp = dev_pm_opp_find_freq_floor(dev, freq);
/* If not available, use the closest opp */
if (opp == ERR_PTR(-ERANGE))
opp = opp_find_freq_ceil(dev, freq);
opp = dev_pm_opp_find_freq_ceil(dev, freq);
} else {
/* The freq is an lower bound. opp should be higher */
opp = opp_find_freq_ceil(dev, freq);
opp = dev_pm_opp_find_freq_ceil(dev, freq);
/* If not available, use the closest opp */
if (opp == ERR_PTR(-ERANGE))
opp = opp_find_freq_floor(dev, freq);
opp = dev_pm_opp_find_freq_floor(dev, freq);
}
return opp;
@@ -1066,7 +1067,7 @@ int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq)
int ret = 0;
rcu_read_lock();
nh = opp_get_notifier(dev);
nh = dev_pm_opp_get_notifier(dev);
if (IS_ERR(nh))
ret = PTR_ERR(nh);
rcu_read_unlock();
@@ -1092,7 +1093,7 @@ int devfreq_unregister_opp_notifier(struct device *dev, struct devfreq *devfreq)
int ret = 0;
rcu_read_lock();
nh = opp_get_notifier(dev);
nh = dev_pm_opp_get_notifier(dev);
if (IS_ERR(nh))
ret = PTR_ERR(nh);
rcu_read_unlock();

29
drivers/devfreq/exynos/exynos4_bus.c
View File

@@ -19,7 +19,7 @@
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/suspend.h>
#include <linux/opp.h>
#include <linux/pm_opp.h>
#include <linux/devfreq.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
@@ -639,7 +639,7 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
struct platform_device *pdev = container_of(dev, struct platform_device,
dev);
struct busfreq_data *data = platform_get_drvdata(pdev);
struct opp *opp;
struct dev_pm_opp *opp;
unsigned long freq;
unsigned long old_freq = data->curr_oppinfo.rate;
struct busfreq_opp_info new_oppinfo;
@@ -650,8 +650,8 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
rcu_read_unlock();
return PTR_ERR(opp);
}
new_oppinfo.rate = opp_get_freq(opp);
new_oppinfo.volt = opp_get_voltage(opp);
new_oppinfo.rate = dev_pm_opp_get_freq(opp);
new_oppinfo.volt = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
freq = new_oppinfo.rate;
@@ -873,7 +873,7 @@ static int exynos4210_init_tables(struct busfreq_data *data)
exynos4210_busclk_table[i].volt = exynos4210_asv_volt[mgrp][i];
for (i = LV_0; i < EX4210_LV_NUM; i++) {
err = opp_add(data->dev, exynos4210_busclk_table[i].clk,
err = dev_pm_opp_add(data->dev, exynos4210_busclk_table[i].clk,
exynos4210_busclk_table[i].volt);
if (err) {
dev_err(data->dev, "Cannot add opp entries.\n");
@@ -940,7 +940,7 @@ static int exynos4x12_init_tables(struct busfreq_data *data)
}
for (i = 0; i < EX4x12_LV_NUM; i++) {
ret = opp_add(data->dev, exynos4x12_mifclk_table[i].clk,
ret = dev_pm_opp_add(data->dev, exynos4x12_mifclk_table[i].clk,
exynos4x12_mifclk_table[i].volt);
if (ret) {
dev_err(data->dev, "Fail to add opp entries.\n");
@@ -956,7 +956,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
{
struct busfreq_data *data = container_of(this, struct busfreq_data,
pm_notifier);
struct opp *opp;
struct dev_pm_opp *opp;
struct busfreq_opp_info new_oppinfo;
unsigned long maxfreq = ULONG_MAX;
int err = 0;
@@ -969,7 +969,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
data->disabled = true;
rcu_read_lock();
opp = opp_find_freq_floor(data->dev, &maxfreq);
opp = dev_pm_opp_find_freq_floor(data->dev, &maxfreq);
if (IS_ERR(opp)) {
rcu_read_unlock();
dev_err(data->dev, "%s: unable to find a min freq\n",
@@ -977,8 +977,8 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
mutex_unlock(&data->lock);
return PTR_ERR(opp);
}
new_oppinfo.rate = opp_get_freq(opp);
new_oppinfo.volt = opp_get_voltage(opp);
new_oppinfo.rate = dev_pm_opp_get_freq(opp);
new_oppinfo.volt = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
err = exynos4_bus_setvolt(data, &new_oppinfo,
@@ -1020,7 +1020,7 @@ unlock:
static int exynos4_busfreq_probe(struct platform_device *pdev)
{
struct busfreq_data *data;
struct opp *opp;
struct dev_pm_opp *opp;
struct device *dev = &pdev->dev;
int err = 0;
@@ -1065,15 +1065,16 @@ static int exynos4_busfreq_probe(struct platform_device *pdev)
}
rcu_read_lock();
opp = opp_find_freq_floor(dev, &exynos4_devfreq_profile.initial_freq);
opp = dev_pm_opp_find_freq_floor(dev,
&exynos4_devfreq_profile.initial_freq);
if (IS_ERR(opp)) {
rcu_read_unlock();
dev_err(dev, "Invalid initial frequency %lu kHz.\n",
exynos4_devfreq_profile.initial_freq);
return PTR_ERR(opp);
}
data->curr_oppinfo.rate = opp_get_freq(opp);
data->curr_oppinfo.volt = opp_get_voltage(opp);
data->curr_oppinfo.rate = dev_pm_opp_get_freq(opp);
data->curr_oppinfo.volt = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
platform_set_drvdata(pdev, data);

26
drivers/devfreq/exynos/exynos5_bus.c
View File

@@ -15,7 +15,7 @@
#include <linux/module.h>
#include <linux/devfreq.h>
#include <linux/io.h>
#include <linux/opp.h>
#include <linux/pm_opp.h>
#include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/clk.h>
@@ -131,7 +131,7 @@ static int exynos5_busfreq_int_target(struct device *dev, unsigned long *_freq,
struct platform_device *pdev = container_of(dev, struct platform_device,
dev);
struct busfreq_data_int *data = platform_get_drvdata(pdev);
struct opp *opp;
struct dev_pm_opp *opp;
unsigned long old_freq, freq;
unsigned long volt;
@@ -143,8 +143,8 @@ static int exynos5_busfreq_int_target(struct device *dev, unsigned long *_freq,
return PTR_ERR(opp);
}
freq = opp_get_freq(opp);
volt = opp_get_voltage(opp);
freq = dev_pm_opp_get_freq(opp);
volt = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
old_freq = data->curr_freq;
@@ -245,7 +245,7 @@ static int exynos5250_init_int_tables(struct busfreq_data_int *data)
int i, err = 0;
for (i = LV_0; i < _LV_END; i++) {
err = opp_add(data->dev, exynos5_int_opp_table[i].clk,
err = dev_pm_opp_add(data->dev, exynos5_int_opp_table[i].clk,
exynos5_int_opp_table[i].volt);
if (err) {
dev_err(data->dev, "Cannot add opp entries.\n");
@@ -261,7 +261,7 @@ static int exynos5_busfreq_int_pm_notifier_event(struct notifier_block *this,
{
struct busfreq_data_int *data = container_of(this,
struct busfreq_data_int, pm_notifier);
struct opp *opp;
struct dev_pm_opp *opp;
unsigned long maxfreq = ULONG_MAX;
unsigned long freq;
unsigned long volt;
@@ -275,14 +275,14 @@ static int exynos5_busfreq_int_pm_notifier_event(struct notifier_block *this,
data->disabled = true;
rcu_read_lock();
opp = opp_find_freq_floor(data->dev, &maxfreq);
opp = dev_pm_opp_find_freq_floor(data->dev, &maxfreq);
if (IS_ERR(opp)) {
rcu_read_unlock();
err = PTR_ERR(opp);
goto unlock;
}
freq = opp_get_freq(opp);
volt = opp_get_voltage(opp);
freq = dev_pm_opp_get_freq(opp);
volt = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
err = exynos5_int_setvolt(data, volt);
@@ -315,7 +315,7 @@ unlock:
static int exynos5_busfreq_int_probe(struct platform_device *pdev)
{
struct busfreq_data_int *data;
struct opp *opp;
struct dev_pm_opp *opp;
struct device *dev = &pdev->dev;
struct device_node *np;
unsigned long initial_freq;
@@ -367,7 +367,7 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
}
rcu_read_lock();
opp = opp_find_freq_floor(dev,
opp = dev_pm_opp_find_freq_floor(dev,
&exynos5_devfreq_int_profile.initial_freq);
if (IS_ERR(opp)) {
rcu_read_unlock();
@@ -376,8 +376,8 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
err = PTR_ERR(opp);
goto err_opp_add;
}
initial_freq = opp_get_freq(opp);
initial_volt = opp_get_voltage(opp);
initial_freq = dev_pm_opp_get_freq(opp);
initial_volt = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
data->curr_freq = initial_freq;