From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Tue, 26 Jul 2011 00:13:34 +0000 (-0700)
Subject: drivers/rtc/rtc-tegra.c: properly initialize spinlock
X-Git-Tag: firefly_0821_release~3680^2~4933^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e57ee01750c4954fd0b5e3c6109cd4b870880eb9;p=firefly-linux-kernel-4.4.55.git

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

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>
---

diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index 2fc31aac3f4e..75259fe38602 100644
--- 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);