[PATCH] move pm_register/etc. to CONFIG_PM_LEGACY, pm_legacy.h

Since few people need the support anymore, this moves the legacy
pm_xxx functions to CONFIG_PM_LEGACY, and include/linux/pm_legacy.h.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/include/linux/pm_legacy.h b/include/linux/pm_legacy.h
new file mode 100644
index 000000000000..1252b45face1
--- /dev/null
+++ b/include/linux/pm_legacy.h
@@ -0,0 +1,56 @@
+#ifndef __LINUX_PM_LEGACY_H__
+#define __LINUX_PM_LEGACY_H__
+
+#include <linux/config.h>
+
+#ifdef CONFIG_PM_LEGACY
+
+extern int pm_active;
+
+#define PM_IS_ACTIVE() (pm_active != 0)
+
+/*
+ * Register a device with power management
+ */
+struct pm_dev __deprecated *
+pm_register(pm_dev_t type, unsigned long id, pm_callback callback);
+
+/*
+ * Unregister a device with power management
+ */
+void __deprecated pm_unregister(struct pm_dev *dev);
+
+/*
+ * Unregister all devices with matching callback
+ */
+void __deprecated pm_unregister_all(pm_callback callback);
+
+/*
+ * Send a request to all devices
+ */
+int __deprecated pm_send_all(pm_request_t rqst, void *data);
+
+#else /* CONFIG_PM_LEGACY */
+
+#define PM_IS_ACTIVE() 0
+
+static inline struct pm_dev *pm_register(pm_dev_t type,
+                                         unsigned long id,
+                                         pm_callback callback)
+{
+        return NULL;
+}
+
+static inline void pm_unregister(struct pm_dev *dev) {}
+
+static inline void pm_unregister_all(pm_callback callback) {}
+
+static inline int pm_send_all(pm_request_t rqst, void *data)
+{
+        return 0;
+}
+
+#endif /* CONFIG_PM_LEGACY */
+
+#endif /* __LINUX_PM_LEGACY_H__ */
+