diff options
Diffstat (limited to 'kernel/power')
-rw-r--r-- | kernel/power/disk.c | 4 | ||||
-rw-r--r-- | kernel/power/swsusp.c | 9 | ||||
-rw-r--r-- | kernel/power/user.c | 2 |
3 files changed, 11 insertions, 4 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c index e13e74067845..a3c34fb14321 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c | |||
@@ -98,7 +98,7 @@ static void unprepare_processes(void) | |||
98 | } | 98 | } |
99 | 99 | ||
100 | /** | 100 | /** |
101 | * pm_suspend_disk - The granpappy of power management. | 101 | * pm_suspend_disk - The granpappy of hibernation power management. |
102 | * | 102 | * |
103 | * If we're going through the firmware, then get it over with quickly. | 103 | * If we're going through the firmware, then get it over with quickly. |
104 | * | 104 | * |
@@ -207,7 +207,7 @@ static int software_resume(void) | |||
207 | 207 | ||
208 | pr_debug("PM: Preparing devices for restore.\n"); | 208 | pr_debug("PM: Preparing devices for restore.\n"); |
209 | 209 | ||
210 | if ((error = device_suspend(PMSG_FREEZE))) { | 210 | if ((error = device_suspend(PMSG_PRETHAW))) { |
211 | printk("Some devices failed to suspend\n"); | 211 | printk("Some devices failed to suspend\n"); |
212 | swsusp_free(); | 212 | swsusp_free(); |
213 | goto Thaw; | 213 | goto Thaw; |
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 17f669c83012..62752899b1a1 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c | |||
@@ -248,6 +248,9 @@ int swsusp_suspend(void) | |||
248 | restore_processor_state(); | 248 | restore_processor_state(); |
249 | Restore_highmem: | 249 | Restore_highmem: |
250 | restore_highmem(); | 250 | restore_highmem(); |
251 | /* NOTE: device_power_up() is just a resume() for devices | ||
252 | * that suspended with irqs off ... no overall powerup. | ||
253 | */ | ||
251 | device_power_up(); | 254 | device_power_up(); |
252 | Enable_irqs: | 255 | Enable_irqs: |
253 | local_irq_enable(); | 256 | local_irq_enable(); |
@@ -257,8 +260,12 @@ Enable_irqs: | |||
257 | int swsusp_resume(void) | 260 | int swsusp_resume(void) |
258 | { | 261 | { |
259 | int error; | 262 | int error; |
263 | |||
260 | local_irq_disable(); | 264 | local_irq_disable(); |
261 | if (device_power_down(PMSG_FREEZE)) | 265 | /* NOTE: device_power_down() is just a suspend() with irqs off; |
266 | * it has no special "power things down" semantics | ||
267 | */ | ||
268 | if (device_power_down(PMSG_PRETHAW)) | ||
262 | printk(KERN_ERR "Some devices failed to power down, very bad\n"); | 269 | printk(KERN_ERR "Some devices failed to power down, very bad\n"); |
263 | /* We'll ignore saved state, but this gets preempt count (etc) right */ | 270 | /* We'll ignore saved state, but this gets preempt count (etc) right */ |
264 | save_processor_state(); | 271 | save_processor_state(); |
diff --git a/kernel/power/user.c b/kernel/power/user.c index 3f1539fbe48a..5a8d060d7909 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c | |||
@@ -191,7 +191,7 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, | |||
191 | } | 191 | } |
192 | down(&pm_sem); | 192 | down(&pm_sem); |
193 | pm_prepare_console(); | 193 | pm_prepare_console(); |
194 | error = device_suspend(PMSG_FREEZE); | 194 | error = device_suspend(PMSG_PRETHAW); |
195 | if (!error) { | 195 | if (!error) { |
196 | error = swsusp_resume(); | 196 | error = swsusp_resume(); |
197 | device_resume(); | 197 | device_resume(); |