Merge branch 'pm-wakeirq'

* pm-wakeirq:
  PM / wakeirq: Fix typo in prototype for dev_pm_set_dedicated_wake_irq
  PM / Wakeirq: Add automated device wake IRQ handling

3 files changed, 62 insertions, 0 deletions

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 4890743892ef..35d599e7250d 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -541,6 +541,7 @@ enum rpm_request {
 };
 
 struct wakeup_source;
+struct wake_irq;
 struct pm_domain_data;
 
 struct pm_subsys_data {
@@ -580,6 +581,7 @@ struct dev_pm_info {
 	unsigned long		timer_expires;
 	struct work_struct	work;
 	wait_queue_head_t	wait_queue;
+	struct wake_irq		*wakeirq;
 	atomic_t		usage_count;
 	atomic_t		child_count;
 	unsigned int		disable_depth:3;
diff --git a/include/linux/pm_wakeirq.h b/include/linux/pm_wakeirq.h
new file mode 100644
index 000000000000..cd5b62db9084
--- /dev/null
+++ b/include/linux/pm_wakeirq.h
@@ -0,0 +1,51 @@
+/*
+ * pm_wakeirq.h - Device wakeirq helper functions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _LINUX_PM_WAKEIRQ_H
+#define _LINUX_PM_WAKEIRQ_H
+
+#ifdef CONFIG_PM
+
+extern int dev_pm_set_wake_irq(struct device *dev, int irq);
+extern int dev_pm_set_dedicated_wake_irq(struct device *dev,
+					 int irq);
+extern void dev_pm_clear_wake_irq(struct device *dev);
+extern void dev_pm_enable_wake_irq(struct device *dev);
+extern void dev_pm_disable_wake_irq(struct device *dev);
+
+#else	/* !CONFIG_PM */
+
+static inline int dev_pm_set_wake_irq(struct device *dev, int irq)
+{
+	return 0;
+}
+
+static inline int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
+{
+	return 0;
+}
+
+static inline void dev_pm_clear_wake_irq(struct device *dev)
+{
+}
+
+static inline void dev_pm_enable_wake_irq(struct device *dev)
+{
+}
+
+static inline void dev_pm_disable_wake_irq(struct device *dev)
+{
+}
+
+#endif	/* CONFIG_PM */
+#endif	/* _LINUX_PM_WAKEIRQ_H */
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index a0f70808d7f4..a3447932df1f 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -28,9 +28,17 @@
 
 #include <linux/types.h>
 
+struct wake_irq;
+
 /**
  * struct wakeup_source - Representation of wakeup sources
  *
+ * @name: Name of the wakeup source
+ * @entry: Wakeup source list entry
+ * @lock: Wakeup source lock
+ * @wakeirq: Optional device specific wakeirq
+ * @timer: Wakeup timer list
+ * @timer_expires: Wakeup timer expiration
  * @total_time: Total time this wakeup source has been active.
  * @max_time: Maximum time this wakeup source has been continuously active.
  * @last_time: Monotonic clock when the wakeup source's was touched last time.
@@ -47,6 +55,7 @@ struct wakeup_source {
 	const char 		*name;
 	struct list_head	entry;
 	spinlock_t		lock;
+	struct wake_irq		*wakeirq;
 	struct timer_list	timer;
 	unsigned long		timer_expires;
 	ktime_t total_time;