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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-05-05 01:38:56 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-05-05 01:38:56 +0200
commit28ed05732a8fdd9cd17c0c46fc407c737f45aa5b (patch)
tree8a600169bb001ef7e1a4edc0c830f924defa5281 /drivers/base/power/opp/cpu.c
parentd9c99acb630de767a295c37cd704d08f8237e3f8 (diff)
parent411466c5081d2f649b3583cae0f6c9ad5edec636 (diff)
Merge branch 'pm-opp' into pm-cpufreq
Diffstat (limited to 'drivers/base/power/opp/cpu.c')
-rw-r--r--drivers/base/power/opp/cpu.c68
1 files changed, 49 insertions, 19 deletions
diff --git a/drivers/base/power/opp/cpu.c b/drivers/base/power/opp/cpu.c
index 3428380dfca7..357781e0b791 100644
--- a/drivers/base/power/opp/cpu.c
+++ b/drivers/base/power/opp/cpu.c
@@ -119,20 +119,8 @@ void dev_pm_opp_free_cpufreq_table(struct device *dev,
EXPORT_SYMBOL_GPL(dev_pm_opp_free_cpufreq_table);
#endif /* CONFIG_CPU_FREQ */
-#ifdef CONFIG_OF
-/**
- * dev_pm_opp_of_cpumask_remove_table() - Removes OPP table for @cpumask
- * @cpumask: cpumask for which OPP table needs to be removed
- *
- * This removes the OPP tables for CPUs present in the @cpumask.
- *
- * Locking: The internal opp_table and opp structures are RCU protected.
- * Hence this function internally uses RCU updater strategy with mutex locks
- * to keep the integrity of the internal data structures. Callers should ensure
- * that this function is *NOT* called under RCU protection or in contexts where
- * mutex cannot be locked.
- */
-void dev_pm_opp_of_cpumask_remove_table(cpumask_var_t cpumask)
+static void
+_dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask, bool of)
{
struct device *cpu_dev;
int cpu;
@@ -147,9 +135,51 @@ void dev_pm_opp_of_cpumask_remove_table(cpumask_var_t cpumask)
continue;
}
- dev_pm_opp_of_remove_table(cpu_dev);
+ if (of)
+ dev_pm_opp_of_remove_table(cpu_dev);
+ else
+ dev_pm_opp_remove_table(cpu_dev);
}
}
+
+/**
+ * dev_pm_opp_cpumask_remove_table() - Removes OPP table for @cpumask
+ * @cpumask: cpumask for which OPP table needs to be removed
+ *
+ * This removes the OPP tables for CPUs present in the @cpumask.
+ * This should be used to remove all the OPPs entries associated with
+ * the cpus in @cpumask.
+ *
+ * Locking: The internal opp_table and opp structures are RCU protected.
+ * Hence this function internally uses RCU updater strategy with mutex locks
+ * to keep the integrity of the internal data structures. Callers should ensure
+ * that this function is *NOT* called under RCU protection or in contexts where
+ * mutex cannot be locked.
+ */
+void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
+{
+ _dev_pm_opp_cpumask_remove_table(cpumask, false);
+}
+EXPORT_SYMBOL_GPL(dev_pm_opp_cpumask_remove_table);
+
+#ifdef CONFIG_OF
+/**
+ * dev_pm_opp_of_cpumask_remove_table() - Removes OPP table for @cpumask
+ * @cpumask: cpumask for which OPP table needs to be removed
+ *
+ * This removes the OPP tables for CPUs present in the @cpumask.
+ * This should be used only to remove static entries created from DT.
+ *
+ * Locking: The internal opp_table and opp structures are RCU protected.
+ * Hence this function internally uses RCU updater strategy with mutex locks
+ * to keep the integrity of the internal data structures. Callers should ensure
+ * that this function is *NOT* called under RCU protection or in contexts where
+ * mutex cannot be locked.
+ */
+void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
+{
+ _dev_pm_opp_cpumask_remove_table(cpumask, true);
+}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_cpumask_remove_table);
/**
@@ -164,7 +194,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_of_cpumask_remove_table);
* that this function is *NOT* called under RCU protection or in contexts where
* mutex cannot be locked.
*/
-int dev_pm_opp_of_cpumask_add_table(cpumask_var_t cpumask)
+int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
{
struct device *cpu_dev;
int cpu, ret = 0;
@@ -217,7 +247,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_of_cpumask_add_table);
* that this function is *NOT* called under RCU protection or in contexts where
* mutex cannot be locked.
*/
-int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
+int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
{
struct device_node *np, *tmp_np;
struct device *tcpu_dev;
@@ -288,7 +318,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_sharing_cpus);
* mutex cannot be locked.
*/
int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev,
- const cpumask_var_t cpumask)
+ const struct cpumask *cpumask)
{
struct opp_device *opp_dev;
struct opp_table *opp_table;
@@ -346,7 +376,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_sharing_cpus);
* that this function is *NOT* called under RCU protection or in contexts where
* mutex cannot be locked.
*/
-int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
+int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
{
struct opp_device *opp_dev;
struct opp_table *opp_table;