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>

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 2dd3c0163272afa30fb7b836851982afe1c8035a..d007609555c052cd5fee48d6d2c3983d021387e6 100644 (file)
--- 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;