ixgbe: Cleanup incorrect header comments
[safe/jmp/linux-2.6] / drivers / xen / manage.c
index 56892a1..5d42d55 100644 (file)
@@ -39,17 +39,10 @@ static int xen_suspend(void *data)
 
        BUG_ON(!irqs_disabled());
 
-       err = device_power_down(PMSG_SUSPEND);
-       if (err) {
-               printk(KERN_ERR "xen_suspend: device_power_down failed: %d\n",
-                      err);
-               return err;
-       }
        err = sysdev_suspend(PMSG_SUSPEND);
        if (err) {
                printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n",
                        err);
-               device_power_up(PMSG_RESUME);
                return err;
        }
 
@@ -68,15 +61,14 @@ static int xen_suspend(void *data)
        gnttab_resume();
        xen_mm_unpin_all();
 
-       sysdev_resume();
-       device_power_up(PMSG_RESUME);
-
        if (!*cancelled) {
                xen_irq_resume();
                xen_console_resume();
                xen_timer_resume();
        }
 
+       sysdev_resume();
+
        return 0;
 }
 
@@ -87,6 +79,12 @@ static void do_suspend(void)
 
        shutting_down = SHUTDOWN_SUSPEND;
 
+       err = stop_machine_create();
+       if (err) {
+               printk(KERN_ERR "xen suspend: failed to setup stop_machine %d\n", err);
+               goto out;
+       }
+
 #ifdef CONFIG_PREEMPT
        /* If the kernel is preemptible, we need to freeze all the processes
           to prevent them from being in the middle of a pagetable update
@@ -94,40 +92,55 @@ static void do_suspend(void)
        err = freeze_processes();
        if (err) {
                printk(KERN_ERR "xen suspend: freeze failed %d\n", err);
-               return;
+               goto out_destroy_sm;
        }
 #endif
 
-       err = device_suspend(PMSG_SUSPEND);
+       err = dpm_suspend_start(PMSG_SUSPEND);
        if (err) {
-               printk(KERN_ERR "xen suspend: device_suspend %d\n", err);
-               goto out;
+               printk(KERN_ERR "xen suspend: dpm_suspend_start %d\n", err);
+               goto out_thaw;
+       }
+
+       printk(KERN_DEBUG "suspending xenstore...\n");
+       xs_suspend();
+
+       err = dpm_suspend_noirq(PMSG_SUSPEND);
+       if (err) {
+               printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err);
+               goto out_resume;
        }
 
-       printk("suspending xenbus...\n");
-       /* XXX use normal device tree? */
-       xenbus_suspend();
+       err = stop_machine(xen_suspend, &cancelled, cpumask_of(0));
+
+       dpm_resume_noirq(PMSG_RESUME);
 
-       err = stop_machine(xen_suspend, &cancelled, &cpumask_of_cpu(0));
        if (err) {
                printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
-               goto out;
+               cancelled = 1;
        }
 
+out_resume:
        if (!cancelled) {
                xen_arch_resume();
-               xenbus_resume();
+               xs_resume();
        } else
-               xenbus_suspend_cancel();
+               xs_suspend_cancel();
 
-       device_resume(PMSG_RESUME);
+       dpm_resume_end(PMSG_RESUME);
 
        /* Make sure timer events get retriggered on all CPUs */
        clock_was_set();
-out:
+
+out_thaw:
 #ifdef CONFIG_PREEMPT
        thaw_processes();
+
+out_destroy_sm:
 #endif
+       stop_machine_destroy();
+
+out:
        shutting_down = SHUTDOWN_INVALID;
 }
 #endif /* CONFIG_PM_SLEEP */