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authorJohn W. Linville <linville@tuxdriver.com>2011-11-09 14:49:23 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-11-09 14:49:23 -0500
commit5e819059a20b0fc5a71875f28b4cae359e38d85a (patch)
treeb94a18142abc5e60c84f90ee2490e8a6af01c2a9 /include/linux/opp.h
parentae2772b313b98a14f69b5bc67135c9fee48771be (diff)
parentcc438fccd5783c9f7b4c4858358ac897dcf8a58d (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'include/linux/opp.h')
-rw-r--r--include/linux/opp.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/opp.h b/include/linux/opp.h
index 7020e9736fc5..87a9208f8aec 100644
--- a/include/linux/opp.h
+++ b/include/linux/opp.h
@@ -16,9 +16,14 @@
#include <linux/err.h>
#include <linux/cpufreq.h>
+#include <linux/notifier.h>
struct opp;
+enum opp_event {
+ OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
+};
+
#if defined(CONFIG_PM_OPP)
unsigned long opp_get_voltage(struct opp *opp);
@@ -40,6 +45,8 @@ int opp_enable(struct device *dev, unsigned long freq);
int opp_disable(struct device *dev, unsigned long freq);
+struct srcu_notifier_head *opp_get_notifier(struct device *dev);
+
#else
static inline unsigned long opp_get_voltage(struct opp *opp)
{
@@ -89,6 +96,11 @@ static inline int opp_disable(struct device *dev, unsigned long freq)
{
return 0;
}
+
+struct srcu_notifier_head *opp_get_notifier(struct device *dev)
+{
+ return ERR_PTR(-EINVAL);
+}
#endif /* CONFIG_PM */
#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)