pxafb: use completion for LCD disable wait code

Signed-off-by: eric miao <eric.miao@marvell.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index b777641c5e70..f47f139fc5ed 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -114,6 +114,8 @@ struct pxafb_info {
         wait_queue_head_t       ctrlr_wait;
         struct work_struct      task;
 
+        struct completion       disable_done;
+
 #ifdef CONFIG_CPU_FREQ
         struct notifier_block   freq_transition;
         struct notifier_block   freq_policy;