diff options
| -rw-r--r-- | drivers/xen/manage.c | 16 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 12 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.h | 3 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe_frontend.c | 11 | ||||
| -rw-r--r-- | include/xen/xenbus.h | 2 |
5 files changed, 30 insertions, 14 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index ebb292859b59..95143dd6904d 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_PM_SLEEP +#ifdef CONFIG_HIBERNATION static int xen_suspend(void *data) { struct suspend_info *si = data; @@ -69,7 +69,7 @@ static int xen_suspend(void *data) BUG_ON(!irqs_disabled()); - err = sysdev_suspend(PMSG_SUSPEND); + err = sysdev_suspend(PMSG_FREEZE); if (err) { printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n", err); @@ -118,7 +118,7 @@ static void do_suspend(void) } #endif - err = dpm_suspend_start(PMSG_SUSPEND); + err = dpm_suspend_start(PMSG_FREEZE); if (err) { printk(KERN_ERR "xen suspend: dpm_suspend_start %d\n", err); goto out_thaw; @@ -127,7 +127,7 @@ static void do_suspend(void) printk(KERN_DEBUG "suspending xenstore...\n"); xs_suspend(); - err = dpm_suspend_noirq(PMSG_SUSPEND); + err = dpm_suspend_noirq(PMSG_FREEZE); if (err) { printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err); goto out_resume; @@ -147,7 +147,7 @@ static void do_suspend(void) err = stop_machine(xen_suspend, &si, cpumask_of(0)); - dpm_resume_noirq(PMSG_RESUME); + dpm_resume_noirq(si.cancelled ? PMSG_THAW : PMSG_RESTORE); if (err) { printk(KERN_ERR "failed to start xen_suspend: %d\n", err); @@ -161,7 +161,7 @@ out_resume: } else xs_suspend_cancel(); - dpm_resume_end(PMSG_RESUME); + dpm_resume_end(si.cancelled ? PMSG_THAW : PMSG_RESTORE); /* Make sure timer events get retriggered on all CPUs */ clock_was_set(); @@ -173,7 +173,7 @@ out: #endif shutting_down = SHUTDOWN_INVALID; } -#endif /* CONFIG_PM_SLEEP */ +#endif /* CONFIG_HIBERNATION */ 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_PM_SLEEP +#ifdef CONFIG_HIBERNATION { "suspend", do_suspend }, #endif {NULL, NULL}, diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index baa65e7fbbc7..739769551e33 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -577,7 +577,7 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus) } EXPORT_SYMBOL_GPL(xenbus_dev_changed); -int xenbus_dev_suspend(struct device *dev, pm_message_t state) +int xenbus_dev_suspend(struct device *dev) { int err = 0; struct xenbus_driver *drv; @@ -590,7 +590,7 @@ int xenbus_dev_suspend(struct device *dev, pm_message_t state) return 0; drv = to_xenbus_driver(dev->driver); if (drv->suspend) - err = drv->suspend(xdev, state); + err = drv->suspend(xdev); if (err) printk(KERN_WARNING "xenbus: suspend %s failed: %i\n", dev_name(dev), err); @@ -642,6 +642,14 @@ int xenbus_dev_resume(struct device *dev) } EXPORT_SYMBOL_GPL(xenbus_dev_resume); +int xenbus_dev_cancel(struct device *dev) +{ + /* Do nothing */ + DPRINTK("cancel"); + return 0; +} +EXPORT_SYMBOL_GPL(xenbus_dev_cancel); + /* A flag to determine if xenstored is 'ready' (i.e. has started) */ int xenstored_ready = 0; diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h index 24665812316a..888b9900ca08 100644 --- a/drivers/xen/xenbus/xenbus_probe.h +++ b/drivers/xen/xenbus/xenbus_probe.h @@ -64,8 +64,9 @@ extern void xenbus_dev_changed(const char *node, struct xen_bus_type *bus); extern void xenbus_dev_shutdown(struct device *_dev); -extern int xenbus_dev_suspend(struct device *dev, pm_message_t state); +extern int xenbus_dev_suspend(struct device *dev); extern int xenbus_dev_resume(struct device *dev); +extern int xenbus_dev_cancel(struct device *dev); extern void xenbus_otherend_changed(struct xenbus_watch *watch, const char **vec, unsigned int len, diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c index 5bcc2d6cf129..b6a2690c9d49 100644 --- a/drivers/xen/xenbus/xenbus_probe_frontend.c +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c @@ -85,6 +85,14 @@ static struct device_attribute xenbus_frontend_dev_attrs[] = { __ATTR_NULL }; +static const struct dev_pm_ops xenbus_pm_ops = { + .suspend = xenbus_dev_suspend, + .resume = xenbus_dev_resume, + .freeze = xenbus_dev_suspend, + .thaw = xenbus_dev_cancel, + .restore = xenbus_dev_resume, +}; + static struct xen_bus_type xenbus_frontend = { .root = "device", .levels = 2, /* device/type/<id> */ @@ -100,8 +108,7 @@ static struct xen_bus_type xenbus_frontend = { .shutdown = xenbus_dev_shutdown, .dev_attrs = xenbus_frontend_dev_attrs, - .suspend = xenbus_dev_suspend, - .resume = xenbus_dev_resume, + .pm = &xenbus_pm_ops, }, }; diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h index 7a1d15ff19b7..5467369e0889 100644 --- a/include/xen/xenbus.h +++ b/include/xen/xenbus.h @@ -92,7 +92,7 @@ struct xenbus_driver { void (*otherend_changed)(struct xenbus_device *dev, enum xenbus_state backend_state); int (*remove)(struct xenbus_device *dev); - int (*suspend)(struct xenbus_device *dev, pm_message_t state); + int (*suspend)(struct xenbus_device *dev); int (*resume)(struct xenbus_device *dev); int (*uevent)(struct xenbus_device *, struct kobj_uevent_env *); struct device_driver driver; |