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authorRafael J. Wysocki <rjw@sisk.pl>2007-12-08 02:04:21 +0100
committerLen Brown <len.brown@intel.com>2008-02-01 18:30:54 -0500
commit72df68ca8e006a0107933c4fb13c741a0a48163f (patch)
treec6d0d36bffc54989fffcebc8ec1368a47cfa6d65 /kernel/power/swsusp.c
parent2ed43b63285c394cb5e1829c199cc94c7b8233b9 (diff)
Hibernation: Move low level resume to disk.c
Move the low level restore code to kernel/power/disk.c , since the corresponding low level hibernation code is already there. Make restore fail if device_power_down(PMSG_PRETHAW) returns an error. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'kernel/power/swsusp.c')
-rw-r--r--kernel/power/swsusp.c35
1 files changed, 0 insertions, 35 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 605c536795b..dc29a20aff4 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -261,38 +261,3 @@ int swsusp_shrink_memory(void)
return 0;
}
-
-int swsusp_resume(void)
-{
- int error;
-
- local_irq_disable();
- /* NOTE: device_power_down() is just a suspend() with irqs off;
- * it has no special "power things down" semantics
- */
- if (device_power_down(PMSG_PRETHAW))
- printk(KERN_ERR "Some devices failed to power down, very bad\n");
- /* We'll ignore saved state, but this gets preempt count (etc) right */
- save_processor_state();
- error = restore_highmem();
- if (!error) {
- error = swsusp_arch_resume();
- /* The code below is only ever reached in case of a failure.
- * Otherwise execution continues at place where
- * swsusp_arch_suspend() was called
- */
- BUG_ON(!error);
- /* This call to restore_highmem() undos the previous one */
- restore_highmem();
- }
- /* The only reason why swsusp_arch_resume() can fail is memory being
- * very tight, so we have to free it as soon as we can to avoid
- * subsequent failures
- */
- swsusp_free();
- restore_processor_state();
- touch_softlockup_watchdog();
- device_power_up();
- local_irq_enable();
- return error;
-}