Add support for suspending and resuming the whole console subsystem
Trying to suspend/resume with console messages flying all around is
doomed to failure, when the devices that the messages are trying to
go to are being shut down.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/power/main.c b/kernel/power/main.c
index a6d9ef4..0a907f0 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -86,6 +86,7 @@
goto Thaw;
}
+ suspend_console();
if ((error = device_suspend(PMSG_SUSPEND))) {
printk(KERN_ERR "Some devices failed to suspend\n");
goto Finish;
@@ -133,6 +134,7 @@
static void suspend_finish(suspend_state_t state)
{
device_resume();
+ resume_console();
thaw_processes();
enable_nonboot_cpus();
if (pm_ops && pm_ops->finish)