[018/102] drivers/rtc/rtc-tegra.c: properly initialize spinlock
From: Greg KH
Date: Wed Aug 03 2011 - 19:45:47 EST
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@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Cc: Andrew Chew <achew@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
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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