sched/cpufreq: Rename arch_update_thermal_pressure() => arch_update_hw_pressure()
[linux-2.6-block.git] / drivers / base / arch_topology.c
index 024b78a0cfc11bbba2f0bf3c32f21d55aa101d3d..0248912ff687513e8c45a5d594384d5d529a0045 100644 (file)
@@ -22,7 +22,7 @@
 #include <linux/units.h>
 
 #define CREATE_TRACE_POINTS
-#include <trace/events/thermal_pressure.h>
+#include <trace/events/hw_pressure.h>
 
 static DEFINE_PER_CPU(struct scale_freq_data __rcu *, sft_data);
 static struct cpumask scale_freq_counters_mask;
@@ -160,26 +160,26 @@ void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)
        per_cpu(cpu_scale, cpu) = capacity;
 }
 
-DEFINE_PER_CPU(unsigned long, thermal_pressure);
+DEFINE_PER_CPU(unsigned long, hw_pressure);
 
 /**
- * topology_update_thermal_pressure() - Update thermal pressure for CPUs
+ * topology_update_hw_pressure() - Update HW pressure for CPUs
  * @cpus        : The related CPUs for which capacity has been reduced
  * @capped_freq : The maximum allowed frequency that CPUs can run at
  *
- * Update the value of thermal pressure for all @cpus in the mask. The
+ * Update the value of HW pressure for all @cpus in the mask. The
  * cpumask should include all (online+offline) affected CPUs, to avoid
  * operating on stale data when hot-plug is used for some CPUs. The
  * @capped_freq reflects the currently allowed max CPUs frequency due to
- * thermal capping. It might be also a boost frequency value, which is bigger
+ * HW capping. It might be also a boost frequency value, which is bigger
  * than the internal 'capacity_freq_ref' max frequency. In such case the
  * pressure value should simply be removed, since this is an indication that
- * there is no thermal throttling. The @capped_freq must be provided in kHz.
+ * there is no HW throttling. The @capped_freq must be provided in kHz.
  */
-void topology_update_thermal_pressure(const struct cpumask *cpus,
+void topology_update_hw_pressure(const struct cpumask *cpus,
                                      unsigned long capped_freq)
 {
-       unsigned long max_capacity, capacity, th_pressure;
+       unsigned long max_capacity, capacity, hw_pressure;
        u32 max_freq;
        int cpu;
 
@@ -189,21 +189,21 @@ void topology_update_thermal_pressure(const struct cpumask *cpus,
 
        /*
         * Handle properly the boost frequencies, which should simply clean
-        * the thermal pressure value.
+        * the HW pressure value.
         */
        if (max_freq <= capped_freq)
                capacity = max_capacity;
        else
                capacity = mult_frac(max_capacity, capped_freq, max_freq);
 
-       th_pressure = max_capacity - capacity;
+       hw_pressure = max_capacity - capacity;
 
-       trace_thermal_pressure_update(cpu, th_pressure);
+       trace_hw_pressure_update(cpu, hw_pressure);
 
        for_each_cpu(cpu, cpus)
-               WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure);
+               WRITE_ONCE(per_cpu(hw_pressure, cpu), hw_pressure);
 }
-EXPORT_SYMBOL_GPL(topology_update_thermal_pressure);
+EXPORT_SYMBOL_GPL(topology_update_hw_pressure);
 
 static ssize_t cpu_capacity_show(struct device *dev,
                                 struct device_attribute *attr,