From b090f9fa53d51c8a33370071de9e391919ee1fa7 Mon Sep 17 00:00:00 2001
From: Arve Hjønnevåg <arve@android.com>
Date: Sat, 14 Feb 2009 02:06:17 +0100
Subject: 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>
---
 kernel/power/console.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'kernel/power/console.c')

diff --git a/kernel/power/console.c b/kernel/power/console.c
index b8628be2a465..a3961b205de7 100644
--- a/kernel/power/console.c
+++ b/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
-- 
cgit