drivers/rtc/rtc-imxdi.c: add missing spin lock initialization

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>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 891cd6c61d0ae76112ccc0f6b6da3876d21569ad..4eed51044c5dd331f576fc1b1b71655e5f932366 100644 (file)
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -392,6 +392,8 @@ 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;