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-rw-r--r--kernel/power/main.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 47ca5a2b653b..e1c413120469 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -44,6 +44,11 @@ void pm_set_ops(struct pm_ops * ops)
44 mutex_unlock(&pm_mutex); 44 mutex_unlock(&pm_mutex);
45} 45}
46 46
47static inline void pm_finish(suspend_state_t state)
48{
49 if (pm_ops->finish)
50 pm_ops->finish(state);
51}
47 52
48/** 53/**
49 * suspend_prepare - Do prep work before entering low-power state. 54 * suspend_prepare - Do prep work before entering low-power state.
@@ -64,10 +69,6 @@ static int suspend_prepare(suspend_state_t state)
64 69
65 pm_prepare_console(); 70 pm_prepare_console();
66 71
67 error = disable_nonboot_cpus();
68 if (error)
69 goto Enable_cpu;
70
71 if (freeze_processes()) { 72 if (freeze_processes()) {
72 error = -EAGAIN; 73 error = -EAGAIN;
73 goto Thaw; 74 goto Thaw;
@@ -90,18 +91,22 @@ static int suspend_prepare(suspend_state_t state)
90 } 91 }
91 92
92 suspend_console(); 93 suspend_console();
93 if ((error = device_suspend(PMSG_SUSPEND))) { 94 error = device_suspend(PMSG_SUSPEND);
95 if (error) {
94 printk(KERN_ERR "Some devices failed to suspend\n"); 96 printk(KERN_ERR "Some devices failed to suspend\n");
95 goto Finish; 97 goto Resume_devices;
96 } 98 }
97 return 0; 99 error = disable_nonboot_cpus();
98 Finish: 100 if (!error)
99 if (pm_ops->finish) 101 return 0;
100 pm_ops->finish(state); 102
103 enable_nonboot_cpus();
104 Resume_devices:
105 pm_finish(state);
106 device_resume();
107 resume_console();
101 Thaw: 108 Thaw:
102 thaw_processes(); 109 thaw_processes();
103 Enable_cpu:
104 enable_nonboot_cpus();
105 pm_restore_console(); 110 pm_restore_console();
106 return error; 111 return error;
107} 112}
@@ -136,12 +141,11 @@ int suspend_enter(suspend_state_t state)
136 141
137static void suspend_finish(suspend_state_t state) 142static void suspend_finish(suspend_state_t state)
138{ 143{
144 enable_nonboot_cpus();
145 pm_finish(state);
139 device_resume(); 146 device_resume();
140 resume_console(); 147 resume_console();
141 thaw_processes(); 148 thaw_processes();
142 enable_nonboot_cpus();
143 if (pm_ops && pm_ops->finish)
144 pm_ops->finish(state);
145 pm_restore_console(); 149 pm_restore_console();
146} 150}
147 151