AcoSail/kernel_optimize_test
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PM: Wait for console in resume

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Avoids later waking up to a blinking cursor if the device woke up and
returned to sleep before the console switch happened.

Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Len Brown <lenb@kernel.org>
Cc: Greg KH <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Arve Hjønnevåg 2009-02-14 02:06:17 +01:00 committed by Linus Torvalds
parent ebae2604f2
commit b090f9fa53
1 changed files with 6 additions and 0 deletions
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6
kernel/power/console.c
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@ -78,6 +78,12 @@ void pm_restore_console(void)
}
set_console(orig_fgconsole);
release_console_sem();
if (vt_waitactive(orig_fgconsole)) {
pr_debug("Resume: Can't switch VCs.");
return;
}
kmsg_redirect = orig_kmsg;
}
#endif