linux-kernel - [PATCH] regmap: Provide __acquires/_

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Date:	Tue, 16 Jul 2013 02:10:11 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	broonie@...nel.org
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH] regmap: Provide __acquires/__releases annotations

From: Fabio Estevam <fabio.estevam@...escale.com>

Fix the following sparse warnings:

drivers/base/regmap/regmap.c:305:13: warning: context imbalance in 'regmap_lock_spinlock' - wrong count at exit
drivers/base/regmap/regmap.c:314:13: warning: context imbalance in 'regmap_unlock_spinlock' - unexpected unlock

Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
---
 drivers/base/regmap/regmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index e0d0c7d..d7144cf 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -303,6 +303,7 @@ static void regmap_unlock_mutex(void *__map)
 }
 
 static void regmap_lock_spinlock(void *__map)
+__acquires(&map->spinlock)
 {
 	struct regmap *map = __map;
 	unsigned long flags;
@@ -312,6 +313,7 @@ static void regmap_lock_spinlock(void *__map)
 }
 
 static void regmap_unlock_spinlock(void *__map)
+__releases(&map->spinlock)
 {
 	struct regmap *map = __map;
 	spin_unlock_irqrestore(&map->spinlock, map->spinlock_flags);
-- 
1.8.1.2

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