diff options
Diffstat (limited to 'kernel/power/main.c')
-rw-r--r-- | kernel/power/main.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index a064dfd8877a..3062e940d1fa 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c | |||
@@ -111,13 +111,24 @@ static int suspend_prepare(suspend_state_t state) | |||
111 | return error; | 111 | return error; |
112 | } | 112 | } |
113 | 113 | ||
114 | /* default implementation */ | ||
115 | void __attribute__ ((weak)) arch_suspend_disable_irqs(void) | ||
116 | { | ||
117 | local_irq_disable(); | ||
118 | } | ||
119 | |||
120 | /* default implementation */ | ||
121 | void __attribute__ ((weak)) arch_suspend_enable_irqs(void) | ||
122 | { | ||
123 | local_irq_enable(); | ||
124 | } | ||
114 | 125 | ||
115 | int suspend_enter(suspend_state_t state) | 126 | int suspend_enter(suspend_state_t state) |
116 | { | 127 | { |
117 | int error = 0; | 128 | int error = 0; |
118 | unsigned long flags; | ||
119 | 129 | ||
120 | local_irq_save(flags); | 130 | arch_suspend_disable_irqs(); |
131 | BUG_ON(!irqs_disabled()); | ||
121 | 132 | ||
122 | if ((error = device_power_down(PMSG_SUSPEND))) { | 133 | if ((error = device_power_down(PMSG_SUSPEND))) { |
123 | printk(KERN_ERR "Some devices failed to power down\n"); | 134 | printk(KERN_ERR "Some devices failed to power down\n"); |
@@ -126,7 +137,8 @@ int suspend_enter(suspend_state_t state) | |||
126 | error = pm_ops->enter(state); | 137 | error = pm_ops->enter(state); |
127 | device_power_up(); | 138 | device_power_up(); |
128 | Done: | 139 | Done: |
129 | local_irq_restore(flags); | 140 | arch_suspend_enable_irqs(); |
141 | BUG_ON(irqs_disabled()); | ||
130 | return error; | 142 | return error; |
131 | } | 143 | } |
132 | 144 | ||