The patch titled
pm: wait for console in resume
has been added to the -mm tree. Its filename is
pm-wait-for-console-in-resume.patch
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------------------------------------------------------
Subject: pm: wait for console in resume
From: Arve Hjønnevåg <arve@xxxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Arve Hjønnevåg <arve@xxxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/power/console.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN kernel/power/console.c~pm-wait-for-console-in-resume kernel/power/console.c
--- a/kernel/power/console.c~pm-wait-for-console-in-resume
+++ a/kernel/power/console.c
@@ -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
_
Patches currently in -mm which might be from arve@xxxxxxxxxxx are
origin.patch
pm-wait-for-console-in-resume.patch
pm-fix-suspend_console-resume_console-to-use-only-one-semaphore.patch
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