diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/power/suspend.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index e86db83746ac..6453c25103d2 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c | |||
@@ -118,33 +118,6 @@ static int suspend_device_late(struct device *dev, pm_message_t state) | |||
118 | } | 118 | } |
119 | 119 | ||
120 | /** | 120 | /** |
121 | * device_prepare_suspend - save state and prepare to suspend | ||
122 | * | ||
123 | * NOTE! Devices cannot detach at this point - not only do we | ||
124 | * hold the device list semaphores over the whole prepare, but | ||
125 | * the whole point is to do non-invasive preparatory work, not | ||
126 | * the actual suspend. | ||
127 | */ | ||
128 | int device_prepare_suspend(pm_message_t state) | ||
129 | { | ||
130 | int error = 0; | ||
131 | struct device * dev; | ||
132 | |||
133 | down(&dpm_sem); | ||
134 | down(&dpm_list_sem); | ||
135 | list_for_each_entry_reverse(dev, &dpm_active, power.entry) { | ||
136 | if (!dev->bus || !dev->bus->suspend_prepare) | ||
137 | continue; | ||
138 | error = dev->bus->suspend_prepare(dev, state); | ||
139 | if (error) | ||
140 | break; | ||
141 | } | ||
142 | up(&dpm_list_sem); | ||
143 | up(&dpm_sem); | ||
144 | return error; | ||
145 | } | ||
146 | |||
147 | /** | ||
148 | * device_suspend - Save state and stop all devices in system. | 121 | * device_suspend - Save state and stop all devices in system. |
149 | * @state: Power state to put each device in. | 122 | * @state: Power state to put each device in. |
150 | * | 123 | * |