drivers/rtc/rtc-tegra.c: properly initialize spinlock
Uwe Kleine-König [Tue, 26 Jul 2011 00:13:34 +0000 (17:13 -0700)]
Using __SPIN_LOCK_UNLOCKED for a dynamically allocated lock is wrong and
breaks the build with PREEMPT_RT_FULL.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Andrew Chew <achew@nvidia.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-tegra.c

index 2fc31aa..75259fe 100644 (file)
@@ -343,7 +343,7 @@ static int __devinit tegra_rtc_probe(struct platform_device *pdev)
 
        /* set context info. */
        info->pdev = pdev;
-       info->tegra_rtc_lock = __SPIN_LOCK_UNLOCKED(info->tegra_rtc_lock);
+       spin_lock_init(&info->tegra_rtc_lock);
 
        platform_set_drvdata(pdev, info);