From 681c9b8479378186e919c5e2ff4c114ecdee67af Mon Sep 17 00:00:00 2001
From: Jan Luebbe <jlu@pengutronix.de>
Date: Thu, 25 Oct 2012 13:38:11 -0700
Subject: [PATCH] drivers/rtc/rtc-imxdi.c: add missing spin lock initialization

commit fee0de7791f967c2c5f0d43eb7b7261761b45e64 upstream.

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Roland Stigge <stigge@antcom.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Roland Stigge <stigge@antcom.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/rtc/rtc-imxdi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 2dd3c0163272..d007609555c0 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -391,6 +391,8 @@ static int dryice_rtc_probe(struct platform_device *pdev)
 	if (imxdi->ioaddr == NULL)
 		return -ENOMEM;
 
+	spin_lock_init(&imxdi->irq_lock);
+
 	imxdi->irq = platform_get_irq(pdev, 0);
 	if (imxdi->irq < 0)
 		return imxdi->irq;
-- 
2.34.1