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Subject[018/102] drivers/rtc/rtc-tegra.c: properly initialize spinlock
3.0-stable review patch.  If anyone has any objections, please let us know.

------------------

From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>

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>

---
drivers/rtc/rtc-tegra.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -343,7 +343,7 @@ static int __devinit tegra_rtc_probe(str

/* 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);


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