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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-03 15:03:27 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-03 15:03:27 +0200
commit5ece2399181a5abaf42a4cb607463770686778e6 (patch)
tree5c789755fce670511f2ac1bc3eebf39e26ed1724 /include
parentbf8102228a8bf053051f311e5486042fe0542894 (diff)
parent8d65775d17941d6d41f5913fc6a99a134c588e01 (diff)
Merge back earlier cpufreq material.
Conflicts: arch/mips/loongson/lemote-2f/clock.c drivers/cpufreq/intel_pstate.c
Diffstat (limited to 'include')
-rw-r--r--include/linux/cpufreq.h50
-rw-r--r--include/linux/pm_opp.h20
2 files changed, 50 insertions, 20 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 5ae5100c1f24..3f458896d45c 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -110,6 +110,7 @@ struct cpufreq_policy {
bool transition_ongoing; /* Tracks transition status */
spinlock_t transition_lock;
wait_queue_head_t transition_wait;
+ struct task_struct *transition_task; /* Task which is doing the transition */
};
/* Only for ACPI */
@@ -468,6 +469,55 @@ struct cpufreq_frequency_table {
* order */
};
+#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
+int dev_pm_opp_init_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table **table);
+void dev_pm_opp_free_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table **table);
+#else
+static inline int dev_pm_opp_init_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table
+ **table)
+{
+ return -EINVAL;
+}
+
+static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
+ struct cpufreq_frequency_table
+ **table)
+{
+}
+#endif
+
+static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos)
+{
+ while ((*pos)->frequency != CPUFREQ_TABLE_END)
+ if ((*pos)->frequency != CPUFREQ_ENTRY_INVALID)
+ return true;
+ else
+ (*pos)++;
+ return false;
+}
+
+/*
+ * cpufreq_for_each_entry - iterate over a cpufreq_frequency_table
+ * @pos: the cpufreq_frequency_table * to use as a loop cursor.
+ * @table: the cpufreq_frequency_table * to iterate over.
+ */
+
+#define cpufreq_for_each_entry(pos, table) \
+ for (pos = table; pos->frequency != CPUFREQ_TABLE_END; pos++)
+
+/*
+ * cpufreq_for_each_valid_entry - iterate over a cpufreq_frequency_table
+ * excluding CPUFREQ_ENTRY_INVALID frequencies.
+ * @pos: the cpufreq_frequency_table * to use as a loop cursor.
+ * @table: the cpufreq_frequency_table * to iterate over.
+ */
+
+#define cpufreq_for_each_valid_entry(pos, table) \
+ for (pos = table; cpufreq_next_valid(&pos); pos++)
+
int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table);
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 5151b0059585..0330217abfad 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -15,7 +15,6 @@
#define __LINUX_OPP_H__
#include <linux/err.h>
-#include <linux/cpufreq.h>
#include <linux/notifier.h>
struct dev_pm_opp;
@@ -117,23 +116,4 @@ static inline int of_init_opp_table(struct device *dev)
}
#endif
-#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
-int dev_pm_opp_init_cpufreq_table(struct device *dev,
- struct cpufreq_frequency_table **table);
-void dev_pm_opp_free_cpufreq_table(struct device *dev,
- struct cpufreq_frequency_table **table);
-#else
-static inline int dev_pm_opp_init_cpufreq_table(struct device *dev,
- struct cpufreq_frequency_table **table)
-{
- return -EINVAL;
-}
-
-static inline
-void dev_pm_opp_free_cpufreq_table(struct device *dev,
- struct cpufreq_frequency_table **table)
-{
-}
-#endif /* CONFIG_CPU_FREQ */
-
#endif /* __LINUX_OPP_H__ */