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Diffstat (limited to 'drivers/base/power/power.h')
-rw-r--r--drivers/base/power/power.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 8a0dcc7f98f..0dbfdf4419a 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -2,17 +2,31 @@
static inline void device_pm_init_common(struct device *dev)
{
- spin_lock_init(&dev->power.lock);
- dev->power.power_state = PMSG_INVALID;
+ if (!dev->power.early_init) {
+ spin_lock_init(&dev->power.lock);
+ dev->power.power_state = PMSG_INVALID;
+ dev->power.early_init = true;
+ }
}
#ifdef CONFIG_PM_RUNTIME
+static inline void pm_runtime_early_init(struct device *dev)
+{
+ dev->power.disable_depth = 1;
+ device_pm_init_common(dev);
+}
+
extern void pm_runtime_init(struct device *dev);
extern void pm_runtime_remove(struct device *dev);
#else /* !CONFIG_PM_RUNTIME */
+static inline void pm_runtime_early_init(struct device *dev)
+{
+ device_pm_init_common(dev);
+}
+
static inline void pm_runtime_init(struct device *dev) {}
static inline void pm_runtime_remove(struct device *dev) {}