11 files changed, 142 insertions, 40 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 502af53ec012..dc1ebfeeb5ec 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -864,21 +864,16 @@ static inline void arch_reserve_mem_area(acpi_physical_address addr,
 #endif
 
 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
-int acpi_dev_runtime_suspend(struct device *dev);
-int acpi_dev_runtime_resume(struct device *dev);
+int acpi_dev_suspend(struct device *dev, bool wakeup);
+int acpi_dev_resume(struct device *dev);
 int acpi_subsys_runtime_suspend(struct device *dev);
 int acpi_subsys_runtime_resume(struct device *dev);
-struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
 int acpi_dev_pm_attach(struct device *dev, bool power_on);
 #else
 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
-static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
-{
-        return NULL;
-}
 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 {
         return -ENODEV;
@@ -887,22 +882,30 @@ static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
 
 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
 int acpi_dev_suspend_late(struct device *dev);
-int acpi_dev_resume_early(struct device *dev);
 int acpi_subsys_prepare(struct device *dev);
 void acpi_subsys_complete(struct device *dev);
 int acpi_subsys_suspend_late(struct device *dev);
+int acpi_subsys_suspend_noirq(struct device *dev);
+int acpi_subsys_resume_noirq(struct device *dev);
 int acpi_subsys_resume_early(struct device *dev);
 int acpi_subsys_suspend(struct device *dev);
 int acpi_subsys_freeze(struct device *dev);
+int acpi_subsys_freeze_late(struct device *dev);
+int acpi_subsys_freeze_noirq(struct device *dev);
+int acpi_subsys_thaw_noirq(struct device *dev);
 #else
-static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
 static inline void acpi_subsys_complete(struct device *dev) {}
 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
+static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
+static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; }
 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
+static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; }
+static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; }
+static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; }
 #endif
 
 #ifdef CONFIG_ACPI
@@ -1254,4 +1257,13 @@ int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
 }
 #endif
 
+#ifdef CONFIG_ACPI_LPIT
+int lpit_read_residency_count_address(u64 *address);
+#else
+static inline int lpit_read_residency_count_address(u64 *address)
+{
+        return -EINVAL;
+}
+#endif
+
 #endif  /*_LINUX_ACPI_H*/
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index d4fcb0efb896..304511267c82 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -6,15 +6,30 @@
 #define _LINUX_ARCH_TOPOLOGY_H_
 
 #include <linux/types.h>
+#include <linux/percpu.h>
 
 void topology_normalize_cpu_scale(void);
 
 struct device_node;
 bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);
 
+DECLARE_PER_CPU(unsigned long, cpu_scale);
+
 struct sched_domain;
-unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu);
+static inline
+unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu)
+{
+        return per_cpu(cpu_scale, cpu);
+}
 
 void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity);
 
+DECLARE_PER_CPU(unsigned long, freq_scale);
+
+static inline
+unsigned long topology_get_freq_scale(struct sched_domain *sd, int cpu)
+{
+        return per_cpu(freq_scale, cpu);
+}
+
 #endif /* _LINUX_ARCH_TOPOLOGY_H_ */
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 537ff842ff73..28734ee185a7 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -919,6 +919,9 @@ static inline bool policy_has_boost_freq(struct cpufreq_policy *policy)
 
 extern unsigned int arch_freq_get_on_cpu(int cpu);
 
+extern void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq,
+                                unsigned long max_freq);
+
 /* the following are really really optional */
 extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
 extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 597294e0cc40..3aae5b3af87c 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -19,6 +19,13 @@
 
 #define DEVFREQ_NAME_LEN 16
 
+/* DEVFREQ governor name */
+#define DEVFREQ_GOV_SIMPLE_ONDEMAND     "simple_ondemand"
+#define DEVFREQ_GOV_PERFORMANCE         "performance"
+#define DEVFREQ_GOV_POWERSAVE           "powersave"
+#define DEVFREQ_GOV_USERSPACE           "userspace"
+#define DEVFREQ_GOV_PASSIVE             "passive"
+
 /* DEVFREQ notifier interface */
 #define DEVFREQ_TRANSITION_NOTIFIER     (0)
 
@@ -84,8 +91,9 @@ struct devfreq_dev_status {
  *                      from devfreq_remove_device() call. If the user
  *                      has registered devfreq->nb at a notifier-head,
  *                      this is the time to unregister it.
- * @freq_table: Optional list of frequencies to support statistics.
- * @max_state:  The size of freq_table.
+ * @freq_table:         Optional list of frequencies to support statistics
+ *                      and freq_table must be generated in ascending order.
+ * @max_state:          The size of freq_table.
  */
 struct devfreq_dev_profile {
         unsigned long initial_freq;
@@ -120,6 +128,8 @@ struct devfreq_dev_profile {
  *              touch this.
  * @min_freq:   Limit minimum frequency requested by user (0: none)
  * @max_freq:   Limit maximum frequency requested by user (0: none)
+ * @scaling_min_freq:   Limit minimum frequency requested by OPP interface
+ * @scaling_max_freq:   Limit maximum frequency requested by OPP interface
  * @stop_polling:        devfreq polling status of a device.
  * @total_trans:        Number of devfreq transitions
  * @trans_table:        Statistics of devfreq transitions
@@ -153,6 +163,8 @@ struct devfreq {
 
         unsigned long min_freq;
         unsigned long max_freq;