Commit ac2a29c8 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki

Merge branch 'pm-opp'

* pm-opp:
  PM / OPP: Drop unlikely before IS_ERR(_OR_NULL)
  PM / OPP: Fix static checker warning (broken 64bit big endian systems)
  PM / OPP: Free resources and properly return error on failure
  cpufreq-dt: make scaling_boost_freqs sysfs attr available when boost is enabled
  cpufreq: dt: Add support for turbo/boost mode
  cpufreq: dt: Add support for operating-points-v2 bindings
  cpufreq: Allow drivers to enable boost support after registering driver
  cpufreq: Update boost flag while initializing freq table from OPPs
  PM / OPP: add dev_pm_opp_is_turbo() helper
  PM / OPP: Add helpers for initializing CPU OPPs
  PM / OPP: Add support for opp-suspend
  PM / OPP: Add OPP sharing information to OPP library
  PM / OPP: Add clock-latency-ns support
  PM / OPP: Add support to parse "operating-points-v2" bindings
  PM / OPP: Break _opp_add_dynamic() into smaller functions
  PM / OPP: Allocate dev_opp from _add_device_opp()
  PM / OPP: Create _remove_device_opp() for freeing dev_opp
  PM / OPP: Relocate few routines
  PM / OPP: Create a directory for opp bindings
  PM / OPP: Update bindings to make opp-hz a 64 bit value
parents 4ffe18c2 50a3cb04
...@@ -88,7 +88,7 @@ This defines voltage-current-frequency combinations along with other related ...@@ -88,7 +88,7 @@ This defines voltage-current-frequency combinations along with other related
properties. properties.
Required properties: Required properties:
- opp-hz: Frequency in Hz - opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer.
Optional properties: Optional properties:
- opp-microvolt: voltage in micro Volts. - opp-microvolt: voltage in micro Volts.
...@@ -158,20 +158,20 @@ Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together. ...@@ -158,20 +158,20 @@ Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together.
opp-shared; opp-shared;
opp00 { opp00 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <970000 975000 985000>; opp-microvolt = <970000 975000 985000>;
opp-microamp = <70000>; opp-microamp = <70000>;
clock-latency-ns = <300000>; clock-latency-ns = <300000>;
opp-suspend; opp-suspend;
}; };
opp01 { opp01 {
opp-hz = <1100000000>; opp-hz = /bits/ 64 <1100000000>;
opp-microvolt = <980000 1000000 1010000>; opp-microvolt = <980000 1000000 1010000>;
opp-microamp = <80000>; opp-microamp = <80000>;
clock-latency-ns = <310000>; clock-latency-ns = <310000>;
}; };
opp02 { opp02 {
opp-hz = <1200000000>; opp-hz = /bits/ 64 <1200000000>;
opp-microvolt = <1025000>; opp-microvolt = <1025000>;
clock-latency-ns = <290000>; clock-latency-ns = <290000>;
turbo-mode; turbo-mode;
...@@ -237,20 +237,20 @@ independently. ...@@ -237,20 +237,20 @@ independently.
*/ */
opp00 { opp00 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <970000 975000 985000>; opp-microvolt = <970000 975000 985000>;
opp-microamp = <70000>; opp-microamp = <70000>;
clock-latency-ns = <300000>; clock-latency-ns = <300000>;
opp-suspend; opp-suspend;
}; };
opp01 { opp01 {
opp-hz = <1100000000>; opp-hz = /bits/ 64 <1100000000>;
opp-microvolt = <980000 1000000 1010000>; opp-microvolt = <980000 1000000 1010000>;
opp-microamp = <80000>; opp-microamp = <80000>;
clock-latency-ns = <310000>; clock-latency-ns = <310000>;
}; };
opp02 { opp02 {
opp-hz = <1200000000>; opp-hz = /bits/ 64 <1200000000>;
opp-microvolt = <1025000>; opp-microvolt = <1025000>;
opp-microamp = <90000; opp-microamp = <90000;
lock-latency-ns = <290000>; lock-latency-ns = <290000>;
...@@ -313,20 +313,20 @@ DVFS state together. ...@@ -313,20 +313,20 @@ DVFS state together.
opp-shared; opp-shared;
opp00 { opp00 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <970000 975000 985000>; opp-microvolt = <970000 975000 985000>;
opp-microamp = <70000>; opp-microamp = <70000>;
clock-latency-ns = <300000>; clock-latency-ns = <300000>;
opp-suspend; opp-suspend;
}; };
opp01 { opp01 {
opp-hz = <1100000000>; opp-hz = /bits/ 64 <1100000000>;
opp-microvolt = <980000 1000000 1010000>; opp-microvolt = <980000 1000000 1010000>;
opp-microamp = <80000>; opp-microamp = <80000>;
clock-latency-ns = <310000>; clock-latency-ns = <310000>;
}; };
opp02 { opp02 {
opp-hz = <1200000000>; opp-hz = /bits/ 64 <1200000000>;
opp-microvolt = <1025000>; opp-microvolt = <1025000>;
opp-microamp = <90000>; opp-microamp = <90000>;
clock-latency-ns = <290000>; clock-latency-ns = <290000>;
...@@ -339,20 +339,20 @@ DVFS state together. ...@@ -339,20 +339,20 @@ DVFS state together.
opp-shared; opp-shared;
opp10 { opp10 {
opp-hz = <1300000000>; opp-hz = /bits/ 64 <1300000000>;
opp-microvolt = <1045000 1050000 1055000>; opp-microvolt = <1045000 1050000 1055000>;
opp-microamp = <95000>; opp-microamp = <95000>;
clock-latency-ns = <400000>; clock-latency-ns = <400000>;
opp-suspend; opp-suspend;
}; };
opp11 { opp11 {
opp-hz = <1400000000>; opp-hz = /bits/ 64 <1400000000>;
opp-microvolt = <1075000>; opp-microvolt = <1075000>;
opp-microamp = <100000>; opp-microamp = <100000>;
clock-latency-ns = <400000>; clock-latency-ns = <400000>;
}; };
opp12 { opp12 {
opp-hz = <1500000000>; opp-hz = /bits/ 64 <1500000000>;
opp-microvolt = <1010000 1100000 1110000>; opp-microvolt = <1010000 1100000 1110000>;
opp-microamp = <95000>; opp-microamp = <95000>;
clock-latency-ns = <400000>; clock-latency-ns = <400000>;
...@@ -379,7 +379,7 @@ Example 4: Handling multiple regulators ...@@ -379,7 +379,7 @@ Example 4: Handling multiple regulators
opp-shared; opp-shared;
opp00 { opp00 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <970000>, /* Supply 0 */ opp-microvolt = <970000>, /* Supply 0 */
<960000>, /* Supply 1 */ <960000>, /* Supply 1 */
<960000>; /* Supply 2 */ <960000>; /* Supply 2 */
...@@ -392,7 +392,7 @@ Example 4: Handling multiple regulators ...@@ -392,7 +392,7 @@ Example 4: Handling multiple regulators
/* OR */ /* OR */
opp00 { opp00 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <970000 975000 985000>, /* Supply 0 */ opp-microvolt = <970000 975000 985000>, /* Supply 0 */
<960000 965000 975000>, /* Supply 1 */ <960000 965000 975000>, /* Supply 1 */
<960000 965000 975000>; /* Supply 2 */ <960000 965000 975000>; /* Supply 2 */
...@@ -405,7 +405,7 @@ Example 4: Handling multiple regulators ...@@ -405,7 +405,7 @@ Example 4: Handling multiple regulators
/* OR */ /* OR */
opp00 { opp00 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
opp-microvolt = <970000 975000 985000>, /* Supply 0 */ opp-microvolt = <970000 975000 985000>, /* Supply 0 */
<960000 965000 975000>, /* Supply 1 */ <960000 965000 975000>, /* Supply 1 */
<960000 965000 975000>; /* Supply 2 */ <960000 965000 975000>; /* Supply 2 */
...@@ -437,12 +437,12 @@ Example 5: Multiple OPP tables ...@@ -437,12 +437,12 @@ Example 5: Multiple OPP tables
opp-shared; opp-shared;
opp00 { opp00 {
opp-hz = <600000000>; opp-hz = /bits/ 64 <600000000>;
... ...
}; };
opp01 { opp01 {
opp-hz = <800000000>; opp-hz = /bits/ 64 <800000000>;
... ...
}; };
}; };
...@@ -453,12 +453,12 @@ Example 5: Multiple OPP tables ...@@ -453,12 +453,12 @@ Example 5: Multiple OPP tables
opp-shared; opp-shared;
opp10 { opp10 {
opp-hz = <1000000000>; opp-hz = /bits/ 64 <1000000000>;
... ...
}; };
opp11 { opp11 {
opp-hz = <1100000000>; opp-hz = /bits/ 64 <1100000000>;
... ...
}; };
}; };
......
This diff is collapsed.
...@@ -36,6 +36,12 @@ struct private_data { ...@@ -36,6 +36,12 @@ struct private_data {
unsigned int voltage_tolerance; /* in percentage */ unsigned int voltage_tolerance; /* in percentage */
}; };
static struct freq_attr *cpufreq_dt_attr[] = {
&cpufreq_freq_attr_scaling_available_freqs,
NULL, /* Extra space for boost-attr if required */
NULL,
};
static int set_target(struct cpufreq_policy *policy, unsigned int index) static int set_target(struct cpufreq_policy *policy, unsigned int index)
{ {
struct dev_pm_opp *opp; struct dev_pm_opp *opp;
...@@ -184,7 +190,6 @@ static int allocate_resources(int cpu, struct device **cdev, ...@@ -184,7 +190,6 @@ static int allocate_resources(int cpu, struct device **cdev,
static int cpufreq_init(struct cpufreq_policy *policy) static int cpufreq_init(struct cpufreq_policy *policy)
{ {
struct cpufreq_dt_platform_data *pd;
struct cpufreq_frequency_table *freq_table; struct cpufreq_frequency_table *freq_table;
struct device_node *np; struct device_node *np;
struct private_data *priv; struct private_data *priv;
...@@ -193,6 +198,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) ...@@ -193,6 +198,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
struct clk *cpu_clk; struct clk *cpu_clk;
unsigned long min_uV = ~0, max_uV = 0; unsigned long min_uV = ~0, max_uV = 0;
unsigned int transition_latency; unsigned int transition_latency;
bool need_update = false;
int ret; int ret;
ret = allocate_resources(policy->cpu, &cpu_dev, &cpu_reg, &cpu_clk); ret = allocate_resources(policy->cpu, &cpu_dev, &cpu_reg, &cpu_clk);
...@@ -208,8 +214,47 @@ static int cpufreq_init(struct cpufreq_policy *policy) ...@@ -208,8 +214,47 @@ static int cpufreq_init(struct cpufreq_policy *policy)
goto out_put_reg_clk; goto out_put_reg_clk;
} }
/* OPPs might be populated at runtime, don't check for error here */ /* Get OPP-sharing information from "operating-points-v2" bindings */
of_init_opp_table(cpu_dev); ret = of_get_cpus_sharing_opps(cpu_dev, policy->cpus);
if (ret) {
/*
* operating-points-v2 not supported, fallback to old method of
* finding shared-OPPs for backward compatibility.
*/
if (ret == -ENOENT)
need_update = true;
else
goto out_node_put;
}
/*
* Initialize OPP tables for all policy->cpus. They will be shared by
* all CPUs which have marked their CPUs shared with OPP bindings.
*
* For platforms not using operating-points-v2 bindings, we do this
* before updating policy->cpus. Otherwise, we will end up creating
* duplicate OPPs for policy->cpus.
*
* OPPs might be populated at runtime, don't check for error here
*/
of_cpumask_init_opp_table(policy->cpus);
if (need_update) {
struct cpufreq_dt_platform_data *pd = cpufreq_get_driver_data();
if (!pd || !pd->independent_clocks)
cpumask_setall(policy->cpus);
/*
* OPP tables are initialized only for policy->cpu, do it for
* others as well.
*/
set_cpus_sharing_opps(cpu_dev, policy->cpus);
of_property_read_u32(np, "clock-latency", &transition_latency);
} else {
transition_latency = dev_pm_opp_get_max_clock_latency(cpu_dev);
}
/* /*
* But we need OPP table to function so if it is not there let's * But we need OPP table to function so if it is not there let's
...@@ -230,7 +275,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) ...@@ -230,7 +275,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
of_property_read_u32(np, "voltage-tolerance", &priv->voltage_tolerance); of_property_read_u32(np, "voltage-tolerance", &priv->voltage_tolerance);
if (of_property_read_u32(np, "clock-latency", &transition_latency)) if (!transition_latency)
transition_latency = CPUFREQ_ETERNAL; transition_latency = CPUFREQ_ETERNAL;
if (!IS_ERR(cpu_reg)) { if (!IS_ERR(cpu_reg)) {
...@@ -291,11 +336,16 @@ static int cpufreq_init(struct cpufreq_policy *policy) ...@@ -291,11 +336,16 @@ static int cpufreq_init(struct cpufreq_policy *policy)
goto out_free_cpufreq_table; goto out_free_cpufreq_table;
} }
policy->cpuinfo.transition_latency = transition_latency; /* Support turbo/boost mode */
if (policy_has_boost_freq(policy)) {
/* This gets disabled by core on driver unregister */
ret = cpufreq_enable_boost_support();
if (ret)
goto out_free_cpufreq_table;
cpufreq_dt_attr[1] = &cpufreq_freq_attr_scaling_boost_freqs;
}
pd = cpufreq_get_driver_data(); policy->cpuinfo.transition_latency = transition_latency;
if (!pd || !pd->independent_clocks)
cpumask_setall(policy->cpus);
of_node_put(np); of_node_put(np);
...@@ -306,7 +356,8 @@ static int cpufreq_init(struct cpufreq_policy *policy) ...@@ -306,7 +356,8 @@ static int cpufreq_init(struct cpufreq_policy *policy)
out_free_priv: out_free_priv:
kfree(priv); kfree(priv);
out_free_opp: out_free_opp:
of_free_opp_table(cpu_dev); of_cpumask_free_opp_table(policy->cpus);
out_node_put:
of_node_put(np); of_node_put(np);
out_put_reg_clk: out_put_reg_clk:
clk_put(cpu_clk); clk_put(cpu_clk);
...@@ -322,7 +373,7 @@ static int cpufreq_exit(struct cpufreq_policy *policy) ...@@ -322,7 +373,7 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
cpufreq_cooling_unregister(priv->cdev); cpufreq_cooling_unregister(priv->cdev);
dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
of_free_opp_table(priv->cpu_dev); of_cpumask_free_opp_table(policy->related_cpus);
clk_put(policy->clk); clk_put(policy->clk);
if (!IS_ERR(priv->cpu_reg)) if (!IS_ERR(priv->cpu_reg))
regulator_put(priv->cpu_reg); regulator_put(priv->cpu_reg);
...@@ -367,7 +418,7 @@ static struct cpufreq_driver dt_cpufreq_driver = { ...@@ -367,7 +418,7 @@ static struct cpufreq_driver dt_cpufreq_driver = {
.exit = cpufreq_exit, .exit = cpufreq_exit,
.ready = cpufreq_ready, .ready = cpufreq_ready,
.name = "cpufreq-dt", .name = "cpufreq-dt",
.attr = cpufreq_generic_attr, .attr = cpufreq_dt_attr,
}; };
static int dt_cpufreq_probe(struct platform_device *pdev) static int dt_cpufreq_probe(struct platform_device *pdev)
......
...@@ -2412,6 +2412,49 @@ int cpufreq_boost_supported(void) ...@@ -2412,6 +2412,49 @@ int cpufreq_boost_supported(void)
} }
EXPORT_SYMBOL_GPL(cpufreq_boost_supported); EXPORT_SYMBOL_GPL(cpufreq_boost_supported);
static int create_boost_sysfs_file(void)
{
int ret;
if (!cpufreq_boost_supported())
return 0;
/*
* Check if driver provides function to enable boost -
* if not, use cpufreq_boost_set_sw as default
*/
if (!cpufreq_driver->set_boost)
cpufreq_driver->set_boost = cpufreq_boost_set_sw;
ret = cpufreq_sysfs_create_file(&boost.attr);
if (ret)
pr_err("%s: cannot register global BOOST sysfs file\n",
__func__);
return ret;
}
static void remove_boost_sysfs_file(void)
{
if (cpufreq_boost_supported())
cpufreq_sysfs_remove_file(&boost.attr);
}
int cpufreq_enable_boost_support(void)
{
if (!cpufreq_driver)
return -EINVAL;
if (cpufreq_boost_supported())
return 0;
cpufreq_driver->boost_supported = true;
/* This will get removed on driver unregister */
return create_boost_sysfs_file();
}
EXPORT_SYMBOL_GPL(cpufreq_enable_boost_support);
int cpufreq_boost_enabled(void) int cpufreq_boost_enabled(void)
{ {
return cpufreq_driver->boost_enabled; return cpufreq_driver->boost_enabled;
...@@ -2465,21 +2508,9 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) ...@@ -2465,21 +2508,9 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
if (driver_data->setpolicy) if (driver_data->setpolicy)
driver_data->flags |= CPUFREQ_CONST_LOOPS; driver_data->flags |= CPUFREQ_CONST_LOOPS;
if (cpufreq_boost_supported()) { ret = create_boost_sysfs_file();
/* if (ret)
* Check if driver provides function to enable boost - goto err_null_driver;
* if not, use cpufreq_boost_set_sw as default
*/
if (!cpufreq_driver->set_boost)
cpufreq_driver->set_boost = cpufreq_boost_set_sw;
ret = cpufreq_sysfs_create_file(&boost.attr);
if (ret) {
pr_err("%s: cannot register global BOOST sysfs file\n",
__func__);
goto err_null_driver;
}
}
ret = subsys_interface_register(&cpufreq_interface); ret = subsys_interface_register(&cpufreq_interface);
if (ret) if (ret)
...@@ -2503,8 +2534,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) ...@@ -2503,8 +2534,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
err_if_unreg: err_if_unreg:
subsys_interface_unregister(&cpufreq_interface); subsys_interface_unregister(&cpufreq_interface);
err_boost_unreg: err_boost_unreg:
if (cpufreq_boost_supported()) remove_boost_sysfs_file();
cpufreq_sysfs_remove_file(&boost.attr);
err_null_driver: err_null_driver:
write_lock_irqsave(&cpufreq_driver_lock, flags); write_lock_irqsave(&cpufreq_driver_lock, flags);
cpufreq_driver = NULL; cpufreq_driver = NULL;
...@@ -2533,9 +2563,7 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver) ...@@ -2533,9 +2563,7 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver)
/* Protect against concurrent cpu hotplug */ /* Protect against concurrent cpu hotplug */
get_online_cpus(); get_online_cpus();
subsys_interface_unregister(&cpufreq_interface); subsys_interface_unregister(&cpufreq_interface);
if (cpufreq_boost_supported()) remove_boost_sysfs_file();
cpufreq_sysfs_remove_file(&boost.attr);
unregister_hotcpu_notifier(&cpufreq_cpu_notifier); unregister_hotcpu_notifier(&cpufreq_cpu_notifier);
write_lock_irqsave(&cpufreq_driver_lock, flags); write_lock_irqsave(&cpufreq_driver_lock, flags);
......
...@@ -75,6 +75,10 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, ...@@ -75,6 +75,10 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev,
} }
freq_table[i].driver_data = i; freq_table[i].driver_data = i;
freq_table[i].frequency = rate / 1000; freq_table[i].frequency = rate / 1000;
/* Is Boost/turbo opp ? */
if (dev_pm_opp_is_turbo(opp))
freq_table[i].flags = CPUFREQ_BOOST_FREQ;
} }
freq_table[i].driver_data = i; freq_table[i].driver_data = i;
......
...@@ -18,6 +18,21 @@ ...@@ -18,6 +18,21 @@
* FREQUENCY TABLE HELPERS * * FREQUENCY TABLE HELPERS *
*********************************************************************/ *********************************************************************/
bool policy_has_boost_freq(struct cpufreq_policy *policy)
{
struct cpufreq_frequency_table *pos, *table = policy->freq_table;
if (!table)
return false;
cpufreq_for_each_valid_entry(pos, table)
if (pos->flags & CPUFREQ_BOOST_FREQ)
return true;
return false;
}
EXPORT_SYMBOL_GPL(policy_has_boost_freq);
int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table) struct cpufreq_frequency_table *table)
{ {
......
...@@ -575,6 +575,8 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf); ...@@ -575,6 +575,8 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf);
int cpufreq_boost_trigger_state(int state); int cpufreq_boost_trigger_state(int state);
int cpufreq_boost_supported(void); int cpufreq_boost_supported(void);
int cpufreq_boost_enabled(void); int cpufreq_boost_enabled(void);
int cpufreq_enable_boost_support(void);
bool policy_has_boost_freq(struct cpufreq_policy *policy);
#else #else
static inline int cpufreq_boost_trigger_state(int state) static inline int cpufreq_boost_trigger_state(int state)
{ {
...@@ -588,12 +590,23 @@ static inline int cpufreq_boost_enabled(void) ...@@ -588,12 +590,23 @@ static inline int cpufreq_boost_enabled(void)
{ {
return 0; return 0;
} }
static inline int cpufreq_enable_boost_support(void)
{
return -EINVAL;
}
static inline bool policy_has_boost_freq(struct cpufreq_policy *policy)
{
return false;
}
#endif #endif
/* the following funtion is for cpufreq core use only */ /* the following funtion is for cpufreq core use only */
struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu);
/* the following are really really optional */ /* the following are really really optional */
extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;
extern struct freq_attr *cpufreq_generic_attr[]; extern struct freq_attr *cpufreq_generic_attr[];
int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table); struct cpufreq_frequency_table *table);
......
...@@ -30,7 +30,10 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); ...@@ -30,7 +30,10 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
int dev_pm_opp_get_opp_count(struct device *dev); int dev_pm_opp_get_opp_count(struct device *dev);
unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
unsigned long freq, unsigned long freq,
...@@ -62,11 +65,21 @@ static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) ...@@ -62,11 +65,21 @@ static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
return 0; return 0;
} }
static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
{
return false;
}
static inline int dev_pm_opp_get_opp_count(struct device *dev) static inline int dev_pm_opp_get_opp_count(struct device *dev)
{ {
return 0; return 0;
} }
static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
{
return 0;
}
static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
unsigned long freq, bool available) unsigned long freq, bool available)
{ {
...@@ -115,6 +128,10 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( ...@@ -115,6 +128,10 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier(
#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
int of_init_opp_table(struct device *dev); int of_init_opp_table(struct device *dev);
void of_free_opp_table(struct device *dev); void of_free_opp_table(struct device *dev);
int of_cpumask_init_opp_table(cpumask_var_t cpumask);
void of_cpumask_free_opp_table(cpumask_var_t cpumask);
int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask);
int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask);
#else #else
static inline int of_init_opp_table(struct device *dev) static inline int of_init_opp_table(struct device *dev)
{ {
...@@ -124,6 +141,25 @@ static inline int of_init_opp_table(struct device *dev) ...@@ -124,6 +141,25 @@ static inline int of_init_opp_table(struct device *dev)
static inline void of_free_opp_table(struct device *dev) static inline void of_free_opp_table(struct device *dev)
{ {
} }
static inline int of_cpumask_init_opp_table(cpumask_var_t cpumask)
{
return -ENOSYS;
}
static inline void of_cpumask_free_opp_table(cpumask_var_t cpumask)
{
}
static inline int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask)
{
return -ENOSYS;
}
static inline int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask)
{
return -ENOSYS;
}
#endif #endif
#endif /* __LINUX_OPP_H__ */ #endif /* __LINUX_OPP_H__ */
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