drivers/rtc/rtc-tegra.c: properly initialize spinlock

commit e57ee01750c4954fd0b5e3c6109cd4b870880eb9 upstream.

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>
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@suse.de>

diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index 2fc31aa..75259fe 100644 (file)
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -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);