8 files changed, 27 insertions, 28 deletions

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index c00d4ca1ee15..28581f1ad2c0 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -527,7 +527,7 @@ static int ibmebus_bus_pm_resume_noirq(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int ibmebus_bus_pm_freeze(struct device *dev)
 {
@@ -665,7 +665,7 @@ static int ibmebus_bus_pm_restore_noirq(struct device *dev)
         return ret;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define ibmebus_bus_pm_freeze           NULL
 #define ibmebus_bus_pm_thaw             NULL
@@ -676,7 +676,7 @@ static int ibmebus_bus_pm_restore_noirq(struct device *dev)
 #define ibmebus_bus_pm_poweroff_noirq   NULL
 #define ibmebus_bus_pm_restore_noirq    NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 static struct dev_pm_ops ibmebus_bus_dev_pm_ops = {
         .prepare = ibmebus_bus_pm_prepare,
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 821040503154..7025593a58c8 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -214,7 +214,7 @@ static int amba_pm_resume_noirq(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int amba_pm_freeze(struct device *dev)
 {
@@ -352,7 +352,7 @@ static int amba_pm_restore_noirq(struct device *dev)
         return ret;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define amba_pm_freeze          NULL
 #define amba_pm_thaw            NULL
@@ -363,7 +363,7 @@ static int amba_pm_restore_noirq(struct device *dev)
 #define amba_pm_poweroff_noirq  NULL
 #define amba_pm_restore_noirq   NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #ifdef CONFIG_PM
 
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f051cfff18af..92792313d24a 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -771,7 +771,7 @@ int __weak platform_pm_resume_noirq(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int platform_pm_freeze(struct device *dev)
 {
@@ -909,7 +909,7 @@ static int platform_pm_restore_noirq(struct device *dev)
         return ret;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define platform_pm_freeze              NULL
 #define platform_pm_thaw                NULL
@@ -920,7 +920,7 @@ static int platform_pm_restore_noirq(struct device *dev)
 #define platform_pm_poweroff_noirq      NULL
 #define platform_pm_restore_noirq       NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #ifdef CONFIG_PM_RUNTIME
 
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 052dc53eef38..fbc5b6e7c591 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -233,7 +233,7 @@ static int pm_op(struct device *dev,
                 }
                 break;
 #endif /* CONFIG_SUSPEND */
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
         case PM_EVENT_FREEZE:
         case PM_EVENT_QUIESCE:
                 if (ops->freeze) {
@@ -260,7 +260,7 @@ static int pm_op(struct device *dev,
                         suspend_report_result(ops->restore, error);
                 }
                 break;
-#endif /* CONFIG_HIBERNATION */
+#endif /* CONFIG_HIBERNATE_CALLBACKS */
         default:
                 error = -EINVAL;
         }
@@ -308,7 +308,7 @@ static int pm_noirq_op(struct device *dev,
                 }
                 break;
 #endif /* CONFIG_SUSPEND */
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
         case PM_EVENT_FREEZE:
         case PM_EVENT_QUIESCE:
                 if (ops->freeze_noirq) {
@@ -335,7 +335,7 @@ static int pm_noirq_op(struct device *dev,
                         suspend_report_result(ops->restore_noirq, error);
                 }
                 break;
-#endif /* CONFIG_HIBERNATION */
+#endif /* CONFIG_HIBERNATE_CALLBACKS */
         default:
                 error = -EINVAL;
         }
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index d86ea8b01137..135df164a4c1 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -781,7 +781,7 @@ static int pci_pm_resume(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int pci_pm_freeze(struct device *dev)
 {
@@ -970,7 +970,7 @@ static int pci_pm_restore(struct device *dev)
         return error;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define pci_pm_freeze           NULL
 #define pci_pm_freeze_noirq     NULL
@@ -981,7 +981,7 @@ static int pci_pm_restore(struct device *dev)
 #define pci_pm_restore          NULL
 #define pci_pm_restore_noirq    NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #ifdef CONFIG_PM_RUNTIME
 
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 95143dd6904d..1ac94125bf93 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -61,7 +61,7 @@ static void xen_post_suspend(int cancelled)
         xen_mm_unpin_all();
 }
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 static int xen_suspend(void *data)
 {
         struct suspend_info *si = data;
@@ -173,7 +173,7 @@ out:
 #endif
         shutting_down = SHUTDOWN_INVALID;
 }
-#endif  /* CONFIG_HIBERNATION */
+#endif  /* CONFIG_HIBERNATE_CALLBACKS */
 
 struct shutdown_handler {
         const char *command;
@@ -202,7 +202,7 @@ static void shutdown_handler(struct xenbus_watch *watch,
                 { "poweroff",   do_poweroff },
                 { "halt",       do_poweroff },
                 { "reboot",     do_reboot   },
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
                 { "suspend",    do_suspend  },
 #endif
                 {NULL, NULL},
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 5a89e3612875..083ffea7ba18 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -249,6 +249,8 @@ extern void hibernation_set_ops(const struct platform_hibernation_ops *ops);
 extern int hibernate(void);
 extern bool system_entering_hibernation(void);
 #else /* CONFIG_HIBERNATION */
+static inline void register_nosave_region(unsigned long b, unsigned long e) {}
+static inline void register_nosave_region_late(unsigned long b, unsigned long e) {}
 static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
 static inline void swsusp_set_page_free(struct page *p) {}
 static inline void swsusp_unset_page_free(struct page *p) {}
@@ -297,14 +299,7 @@ static inline bool pm_wakeup_pending(void) { return false; }
 
 extern struct mutex pm_mutex;
 
-#ifndef CONFIG_HIBERNATION
-static inline void register_nosave_region(unsigned long b, unsigned long e)
-{
-}
-static inline void register_nosave_region_late(unsigned long b, unsigned long e)
-{
-}
-
+#ifndef CONFIG_HIBERNATE_CALLBACKS
 static inline void lock_system_sleep(void) {}
 static inline void unlock_system_sleep(void) {}
 
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 4603f08dc47b..049791468d37 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -18,9 +18,13 @@ config SUSPEND_FREEZER
 
           Turning OFF this setting is NOT recommended! If in doubt, say Y.
 
+config HIBERNATE_CALLBACKS
+        bool
+
 config HIBERNATION
         bool "Hibernation (aka 'suspend to disk')"
         depends on SWAP && ARCH_HIBERNATION_POSSIBLE
+        select HIBERNATE_CALLBACKS
         select LZO_COMPRESS
         select LZO_DECOMPRESS
         ---help---
@@ -85,7 +89,7 @@ config PM_STD_PARTITION
 
 config PM_SLEEP
         def_bool y
-        depends on SUSPEND || HIBERNATION || XEN_SAVE_RESTORE
+        depends on SUSPEND || HIBERNATE_CALLBACKS || XEN_SAVE_RESTORE
 
 config PM_SLEEP_SMP
         def_bool y