[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>

kernel/power/Kconfig

@@ -19,6 +19,15 @@ config PM
 	  will issue the hlt instruction if nothing is to be done, thereby
 	  sending the processor to sleep and saving power.
 
+config PM_LEGACY
+	bool "Legacy Power Management API"
+	depends on PM
+	default y
+	---help---
+	   Support for pm_register() and friends.
+
+	   If unsure, say Y.
+
 config PM_DEBUG
 	bool "Power Management Debug Support"
 	depends on PM

kernel/power/Makefile

@@ -3,7 +3,8 @@ ifeq ($(CONFIG_PM_DEBUG),y)
 EXTRA_CFLAGS	+=	-DDEBUG
 endif
 
-obj-y				:= main.o process.o console.o pm.o
+obj-y				:= main.o process.o console.o
+obj-$(CONFIG_PM_LEGACY)		+= pm.o
 obj-$(CONFIG_SOFTWARE_SUSPEND)	+= swsusp.o disk.o snapshot.o
 
 obj-$(CONFIG_SUSPEND_SMP)	+= smp.o

kernel/power/pm.c

@@ -23,6 +23,7 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/interrupt.h>
 
 int pm_active;