summaryrefslogtreecommitdiff
path: root/include/linux/pm.h
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-10-28 18:50:09 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-10-28 18:50:09 -0400
commit9dfb7808fb05643b0d06df7411b94d9546696bf1 (patch)
treeaa1a9cc1e79ae66f6cbb0fe39d79a80ca76331e8 /include/linux/pm.h
parentc45154a3b1fecdbb51b5462c9f730b44e62b83a5 (diff)
parent20731945ae743034353a88c307920d1f16cf8ac8 (diff)
Merge branch 'master'
Diffstat (limited to 'include/linux/pm.h')
-rw-r--r--include/linux/pm.h26
1 files changed, 25 insertions, 1 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 5cfb07648eca..7897cf500c51 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -219,7 +219,9 @@ typedef struct pm_message {
struct dev_pm_info {
pm_message_t power_state;
+ unsigned can_wakeup:1;
#ifdef CONFIG_PM
+ unsigned should_wakeup:1;
pm_message_t prev_state;
void * saved_state;
atomic_t pm_users;
@@ -236,13 +238,35 @@ extern void device_resume(void);
#ifdef CONFIG_PM
extern int device_suspend(pm_message_t state);
-#else
+
+#define device_set_wakeup_enable(dev,val) \
+ ((dev)->power.should_wakeup = !!(val))
+#define device_may_wakeup(dev) \
+ (device_can_wakeup(dev) && (dev)->power.should_wakeup)
+
+#else /* !CONFIG_PM */
+
static inline int device_suspend(pm_message_t state)
{
return 0;
}
+
+#define device_set_wakeup_enable(dev,val) do{}while(0)
+#define device_may_wakeup(dev) (0)
+
#endif
+/* changes to device_may_wakeup take effect on the next pm state change.
+ * by default, devices should wakeup if they can.
+ */
+#define device_can_wakeup(dev) \
+ ((dev)->power.can_wakeup)
+#define device_init_wakeup(dev,val) \
+ do { \
+ device_can_wakeup(dev) = !!(val); \
+ device_set_wakeup_enable(dev,val); \
+ } while(0)
+
#endif /* __KERNEL__ */
#endif /* _LINUX_PM_H */