Objects of "struct cpufreq_cooling_device" are named a bit
inconsistently. Lets use cpufreq_dev everywhere.
Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
---
drivers/thermal/cpu_cooling.c | 133 +++++++++++++++++++++---------------------
1 file changed, 66 insertions(+), 67 deletions(-)
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 7ce73eee866f..7a19033d7f79 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -218,11 +218,11 @@ static int cpufreq_thermal_notifier(struct notifier_block
*nb,
/**
* build_dyn_power_table() - create a dynamic power to frequency table
- * @cpufreq_device: the cpufreq cooling device in which to store the table
+ * @cpufreq_dev: the cpufreq cooling device in which to store the table
* @capacitance: dynamic power coefficient for these cpus
*
* Build a dynamic power to frequency table for this cpu and store it
- * in @cpufreq_device. This table will be used in cpu_power_to_freq() and
+ * in @cpufreq_dev. This table will be used in cpu_power_to_freq() and
* cpu_freq_to_power() to convert between power and frequency
* efficiently. Power is stored in mW, frequency in KHz. The
* resulting table is in ascending order.
@@ -231,7 +231,7 @@ static int cpufreq_thermal_notifier(struct notifier_block
*nb,
* -ENOMEM if we run out of memory or -EAGAIN if an OPP was
* added/enabled while the function was executing.
*/
-static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
+static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_dev,
u32 capacitance)
{
struct power_table *power_table;
@@ -240,10 +240,10 @@ static int build_dyn_power_table(struct
cpufreq_cooling_device *cpufreq_device,
int num_opps = 0, cpu, i, ret = 0;
unsigned long freq;
- for_each_cpu(cpu, &cpufreq_device->allowed_cpus) {
+ for_each_cpu(cpu, &cpufreq_dev->allowed_cpus) {
dev = get_cpu_device(cpu);
if (!dev) {
- dev_warn(&cpufreq_device->cool_dev->device,
+ dev_warn(&cpufreq_dev->cool_dev->device,
"No cpu device for cpu %d\n", cpu);
continue;
}
@@ -296,9 +296,9 @@ static int build_dyn_power_table(struct
cpufreq_cooling_device *cpufreq_device,
goto free_power_table;
}
- cpufreq_device->cpu_dev = dev;
- cpufreq_device->dyn_power_table = power_table;
- cpufreq_device->dyn_power_table_entries = i;
+ cpufreq_dev->cpu_dev = dev;
+ cpufreq_dev->dyn_power_table = power_table;
+ cpufreq_dev->dyn_power_table_entries = i;
return 0;
@@ -308,26 +308,26 @@ static int build_dyn_power_table(struct
cpufreq_cooling_device *cpufreq_device,
return ret;
}
-static u32 cpu_freq_to_power(struct cpufreq_cooling_device *cpufreq_device,
+static u32 cpu_freq_to_power(struct cpufreq_cooling_device *cpufreq_dev,
u32 freq)
{
int i;
- struct power_table *pt = cpufreq_device->dyn_power_table;
+ struct power_table *pt = cpufreq_dev->dyn_power_table;
- for (i = 1; i < cpufreq_device->dyn_power_table_entries; i++)
+ for (i = 1; i < cpufreq_dev->dyn_power_table_entries; i++)
if (freq < pt[i].frequency)
break;
return pt[i - 1].power;
}
-static u32 cpu_power_to_freq(struct cpufreq_cooling_device *cpufreq_device,
+static u32 cpu_power_to_freq(struct cpufreq_cooling_device *cpufreq_dev,
u32 power)
{
int i;
- struct power_table *pt = cpufreq_device->dyn_power_table;
+ struct power_table *pt = cpufreq_dev->dyn_power_table;
- for (i = 1; i < cpufreq_device->dyn_power_table_entries; i++)
+ for (i = 1; i < cpufreq_dev->dyn_power_table_entries; i++)
if (power < pt[i].power)
break;
@@ -336,37 +336,37 @@ static u32 cpu_power_to_freq(struct
cpufreq_cooling_device *cpufreq_device,
/**
* get_load() - get load for a cpu since last updated
- * @cpufreq_device: &struct cpufreq_cooling_device for this cpu
+ * @cpufreq_dev: &struct cpufreq_cooling_device for this cpu
* @cpu: cpu number
- * @cpu_idx: index of the cpu in cpufreq_device->allowed_cpus
+ * @cpu_idx: index of the cpu in cpufreq_dev->allowed_cpus
*
* Return: The average load of cpu @cpu in percentage since this
* function was last called.
*/
-static u32 get_load(struct cpufreq_cooling_device *cpufreq_device, int cpu,
+static u32 get_load(struct cpufreq_cooling_device *cpufreq_dev, int cpu,
int cpu_idx)
{
u32 load;
u64 now, now_idle, delta_time, delta_idle;
now_idle = get_cpu_idle_time(cpu, &now, 0);
- delta_idle = now_idle - cpufreq_device->time_in_idle[cpu_idx];
- delta_time = now - cpufreq_device->time_in_idle_timestamp[cpu_idx];
+ delta_idle = now_idle - cpufreq_dev->time_in_idle[cpu_idx];
+ delta_time = now - cpufreq_dev->time_in_idle_timestamp[cpu_idx];
if (delta_time <= delta_idle)
load = 0;
else
load = div64_u64(100 * (delta_time - delta_idle), delta_time);
- cpufreq_device->time_in_idle[cpu_idx] = now_idle;
- cpufreq_device->time_in_idle_timestamp[cpu_idx] = now;
+ cpufreq_dev->time_in_idle[cpu_idx] = now_idle;
+ cpufreq_dev->time_in_idle_timestamp[cpu_idx] = now;
return load;
}
/**
* get_static_power() - calculate the static power consumed by the cpus
- * @cpufreq_device: struct &cpufreq_cooling_device for this cpu cdev
+ * @cpufreq_dev: struct &cpufreq_cooling_device for this cpu cdev
* @tz: thermal zone device in which we're operating
* @freq: frequency in KHz
* @power: pointer in which to store the calculated static power
@@ -379,25 +379,24 @@ static u32 get_load(struct cpufreq_cooling_device
*cpufreq_device, int cpu,
*
* Return: 0 on success, -E* on failure.
*/
-static int get_static_power(struct cpufreq_cooling_device *cpufreq_device,
+static int get_static_power(struct cpufreq_cooling_device *cpufreq_dev,
struct thermal_zone_device *tz, unsigned long freq,
u32 *power)
{
struct dev_pm_opp *opp;
unsigned long voltage;
- struct cpumask *cpumask = &cpufreq_device->allowed_cpus;
+ struct cpumask *cpumask = &cpufreq_dev->allowed_cpus;
unsigned long freq_hz = freq * 1000;
- if (!cpufreq_device->plat_get_static_power ||
- !cpufreq_device->cpu_dev) {
+ if (!cpufreq_dev->plat_get_static_power || !cpufreq_dev->cpu_dev) {
*power = 0;
return 0;
}
- opp = dev_pm_opp_find_freq_exact(cpufreq_device->cpu_dev, freq_hz,
+ opp = dev_pm_opp_find_freq_exact(cpufreq_dev->cpu_dev, freq_hz,
true);
if (IS_ERR(opp)) {
- dev_warn_ratelimited(cpufreq_device->cpu_dev,
+ dev_warn_ratelimited(cpufreq_dev->cpu_dev,
"Failed to find OPP for frequency %lu:
%ld\n",
freq_hz, PTR_ERR(opp));
return -EINVAL;
@@ -407,31 +406,31 @@ static int get_static_power(struct cpufreq_cooling_device
*cpufreq_device,
dev_pm_opp_put(opp);
if (voltage == 0) {
- dev_err_ratelimited(cpufreq_device->cpu_dev,
+ dev_err_ratelimited(cpufreq_dev->cpu_dev,
"Failed to get voltage for frequency %lu\n",
freq_hz);
return -EINVAL;
}
- return cpufreq_device->plat_get_static_power(cpumask, tz->passive_delay,
- voltage, power);
+ return cpufreq_dev->plat_get_static_power(cpumask, tz->passive_delay,
+ voltage, power);
}
/**
* get_dynamic_power() - calculate the dynamic power
- * @cpufreq_device: &cpufreq_cooling_device for this cdev
+ * @cpufreq_dev: &cpufreq_cooling_device for this cdev
* @freq: current frequency
*
* Return: the dynamic power consumed by the cpus described by
- * @cpufreq_device.
+ * @cpufreq_dev.
*/
-static u32 get_dynamic_power(struct cpufreq_cooling_device *cpufreq_device,
+static u32 get_dynamic_power(struct cpufreq_cooling_device *cpufreq_dev,
unsigned long freq)
{
u32 raw_cpu_power;
- raw_cpu_power = cpu_freq_to_power(cpufreq_device, freq);
- return (raw_cpu_power * cpufreq_device->last_load) / 100;
+ raw_cpu_power = cpu_freq_to_power(cpufreq_dev, freq);
+ return (raw_cpu_power * cpufreq_dev->last_load) / 100;
}
/* cpufreq cooling device callback functions are defined below */
@@ -449,9 +448,9 @@ static u32 get_dynamic_power(struct cpufreq_cooling_device
*cpufreq_device,
static int cpufreq_get_max_state(struct thermal_cooling_device *cdev,
unsigned long *state)
{
- struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
+ struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
- *state = cpufreq_device->max_level;
+ *state = cpufreq_dev->max_level;
return 0;
}
@@ -468,9 +467,9 @@ static int cpufreq_get_max_state(struct
thermal_cooling_device *cdev,
static int cpufreq_get_cur_state(struct thermal_cooling_device *cdev,
unsigned long *state)
{
- struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
+ struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
- *state = cpufreq_device->cpufreq_state;
+ *state = cpufreq_dev->cpufreq_state;
return 0;
}
@@ -488,21 +487,21 @@ static int cpufreq_get_cur_state(struct
thermal_cooling_device *cdev,
static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
unsigned long state)
{
- struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
- unsigned int cpu = cpumask_any(&cpufreq_device->allowed_cpus);
+ struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
+ unsigned int cpu = cpumask_any(&cpufreq_dev->allowed_cpus);
unsigned int clip_freq;
/* Request state should be less than max_level */
- if (WARN_ON(state > cpufreq_device->max_level))
+ if (WARN_ON(state > cpufreq_dev->max_level))
return -EINVAL;
/* Check if the old cooling action is same as new cooling action */
- if (cpufreq_device->cpufreq_state == state)
+ if (cpufreq_dev->cpufreq_state == state)
return 0;
- clip_freq = cpufreq_device->freq_table[state];
- cpufreq_device->cpufreq_state = state;
- cpufreq_device->clipped_freq = clip_freq;
+ clip_freq = cpufreq_dev->freq_table[state];
+ cpufreq_dev->cpufreq_state = state;
+ cpufreq_dev->clipped_freq = clip_freq;
cpufreq_update_policy(cpu);
@@ -539,10 +538,10 @@ static int cpufreq_get_requested_power(struct
thermal_cooling_device *cdev,
unsigned long freq;
int i = 0, cpu, ret;
u32 static_power, dynamic_power, total_load = 0;
- struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
+ struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
u32 *load_cpu = NULL;
- cpu = cpumask_any_and(&cpufreq_device->allowed_cpus, cpu_online_mask);
+ cpu = cpumask_any_and(&cpufreq_dev->allowed_cpus, cpu_online_mask);
/*
* All the CPUs are offline, thus the requested power by
@@ -556,16 +555,16 @@ static int cpufreq_get_requested_power(struct
thermal_cooling_device *cdev,
freq = cpufreq_quick_get(cpu);
if (trace_thermal_power_cpu_get_power_enabled()) {
- u32 ncpus = cpumask_weight(&cpufreq_device->allowed_cpus);
+ u32 ncpus = cpumask_weight(&cpufreq_dev->allowed_cpus);
load_cpu = kcalloc(ncpus, sizeof(*load_cpu), GFP_KERNEL);
}
- for_each_cpu(cpu, &cpufreq_device->allowed_cpus) {
+ for_each_cpu(cpu, &cpufreq_dev->allowed_cpus) {
u32 load;
if (cpu_online(cpu))
- load = get_load(cpufreq_device, cpu, i);
+ load = get_load(cpufreq_dev, cpu, i);
else
load = 0;
@@ -576,10 +575,10 @@ static int cpufreq_get_requested_power(struct
thermal_cooling_device *cdev,
i++;
}
- cpufreq_device->last_load = total_load;
+ cpufreq_dev->last_load = total_load;
- dynamic_power = get_dynamic_power(cpufreq_device, freq);
- ret = get_static_power(cpufreq_device, tz, freq, &static_power);
+ dynamic_power = get_dynamic_power(cpufreq_dev, freq);
+ ret = get_static_power(cpufreq_dev, tz, freq, &static_power);
if (ret) {
kfree(load_cpu);
return ret;
@@ -587,7 +586,7 @@ static int cpufreq_get_requested_power(struct
thermal_cooling_device *cdev,
if (load_cpu) {
trace_thermal_power_cpu_get_power(
- &cpufreq_device->allowed_cpus,
+ &cpufreq_dev->allowed_cpus,
freq, load_cpu, i, dynamic_power, static_power);
kfree(load_cpu);
@@ -620,12 +619,12 @@ static int cpufreq_state2power(struct
thermal_cooling_device *cdev,
cpumask_var_t cpumask;
u32 static_power, dynamic_power;
int ret;
- struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
+ struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
if (!alloc_cpumask_var(&cpumask, GFP_KERNEL))
return -ENOMEM;
- cpumask_and(cpumask, &cpufreq_device->allowed_cpus, cpu_online_mask);
+ cpumask_and(cpumask, &cpufreq_dev->allowed_cpus, cpu_online_mask);
num_cpus = cpumask_weight(cpumask);
/* None of our cpus are online, so no power */
@@ -635,14 +634,14 @@ static int cpufreq_state2power(struct
thermal_cooling_device *cdev,
goto out;
}
- freq = cpufreq_device->freq_table[state];
+ freq = cpufreq_dev->freq_table[state];
if (!freq) {
ret = -EINVAL;
goto out;
}
- dynamic_power = cpu_freq_to_power(cpufreq_device, freq) * num_cpus;
- ret = get_static_power(cpufreq_device, tz, freq, &static_power);
+ dynamic_power = cpu_freq_to_power(cpufreq_dev, freq) * num_cpus;
+ ret = get_static_power(cpufreq_dev, tz, freq, &static_power);
if (ret)
goto out;
@@ -680,24 +679,24 @@ static int cpufreq_power2state(struct
thermal_cooling_device *cdev,
int ret;
s32 dyn_power;
u32 last_load, normalised_power, static_power;
- struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
+ struct cpufreq_cooling_device *cpufreq_dev = cdev->devdata;
- cpu = cpumask_any_and(&cpufreq_device->allowed_cpus, cpu_online_mask);
+ cpu = cpumask_any_and(&cpufreq_dev->allowed_cpus, cpu_online_mask);
/* None of our cpus are online */
if (cpu >= nr_cpu_ids)
return -ENODEV;
cur_freq = cpufreq_quick_get(cpu);
- ret = get_static_power(cpufreq_device, tz, cur_freq, &static_power);
+ ret = get_static_power(cpufreq_dev, tz, cur_freq, &static_power);
if (ret)
return ret;
dyn_power = power - static_power;
dyn_power = dyn_power > 0 ? dyn_power : 0;
- last_load = cpufreq_device->last_load ?: 1;
+ last_load = cpufreq_dev->last_load ?: 1;
normalised_power = (dyn_power * 100) / last_load;
- target_freq = cpu_power_to_freq(cpufreq_device, normalised_power);
+ target_freq = cpu_power_to_freq(cpufreq_dev, normalised_power);
*state = cpufreq_cooling_get_level(cpu, target_freq);
if (*state == THERMAL_CSTATE_INVALID) {
@@ -707,7 +706,7 @@ static int cpufreq_power2state(struct
thermal_cooling_device *cdev,
return -EINVAL;
}
- trace_thermal_power_cpu_limit(&cpufreq_device->allowed_cpus,
+ trace_thermal_power_cpu_limit(&cpufreq_dev->allowed_cpus,
target_freq, *state, power);
return 0;
}
--
2.7.1.410.g6faf27b
