linux-kernel - [PATCH 07/10] PM: Export device_pm_schedule

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Date:	Sat,  2 Feb 2008 15:56:01 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 07/10] PM: Export device_pm_schedule_removal

From: Rafael J. Wysocki <rjw@...k.pl>

Move the declaration of device_pm_schedule_removal() to device.h
and make it exported, as it will be used directly by some drivers
for unregistering device objects during suspend/resume cycles in a
safe way.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
Acked-by: Pavel Machek <pavel@....cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/base/power/main.c  |    1 +
 drivers/base/power/power.h |    1 -
 include/linux/device.h     |    6 ++++++
 3 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 200ed5f..bdc03f7 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -129,6 +129,7 @@ void device_pm_schedule_removal(struct device *dev)
 	list_move_tail(&dev->power.entry, &dpm_destroy);
 	mutex_unlock(&dpm_list_mtx);
 }
+EXPORT_SYMBOL_GPL(device_pm_schedule_removal);
 
 /**
  *	pm_sleep_lock - mutual exclusion for registration and suspend
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 6f0dfca..e32d3bd 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -13,7 +13,6 @@ static inline struct device *to_device(struct list_head *entry)
 
 extern void device_pm_add(struct device *);
 extern void device_pm_remove(struct device *);
-extern void device_pm_schedule_removal(struct device *);
 extern int pm_sleep_lock(void);
 extern void pm_sleep_unlock(void);
 
diff --git a/include/linux/device.h b/include/linux/device.h
index db375be..479c0b3 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -534,11 +534,17 @@ extern struct device *device_create(struct class *cls, struct device *parent,
 extern void device_destroy(struct class *cls, dev_t devt);
 #ifdef CONFIG_PM_SLEEP
 extern void destroy_suspended_device(struct class *cls, dev_t devt);
+extern void device_pm_schedule_removal(struct device *);
 #else /* !CONFIG_PM_SLEEP */
 static inline void destroy_suspended_device(struct class *cls, dev_t devt)
 {
 	device_destroy(cls, devt);
 }
+
+static inline void device_pm_schedule_removal(struct device *dev)
+{
+	device_unregister(dev);
+}
 #endif /* !CONFIG_PM_SLEEP */
 
 /*
-- 
1.5.3.8

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