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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
  fix XEN_SAVE_RESTORE Kconfig dependencies
  PM / Hibernate: Introduce CONFIG_HIBERNATE_CALLBACKS
This commit is contained in:
Linus Torvalds 2011-04-12 17:18:05 -07:00
parent 6faf9a5415 d419e4c0f7
commit aaa119a3d4
9 changed files with 28 additions and 28 deletions
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6
arch/powerpc/kernel/ibmebus.c
View File

@ -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,

1
arch/x86/xen/Kconfig
View File

@ -39,6 +39,7 @@ config XEN_MAX_DOMAIN_MEMORY
config XEN_SAVE_RESTORE
bool
depends on XEN
select HIBERNATE_CALLBACKS
default y
config XEN_DEBUG_FS

6
drivers/amba/bus.c
View File

@ -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

6
drivers/base/platform.c
View File

@ -772,7 +772,7 @@ 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)
{
@ -910,7 +910,7 @@ 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
@ -921,7 +921,7 @@ 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

8
drivers/base/power/main.c
View File

@ -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;
}

6
drivers/pci/pci-driver.c
View File

@ -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

6
drivers/xen/manage.c
View File

@ -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},

11
include/linux/suspend.h
View File

@ -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) {}

6
kernel/power/Kconfig
View File

@ -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
config PM_SLEEP_SMP
def_bool y