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From: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: linux-kernel@vger.kernel.org, Lars-Peter Clausen <lars@metafoo.de>
Subject: [PATCH 6/8] regmap: Grab the lock in regcache_cache_only()
Date: Thu, 29 Sep 2011 10:39:11 +0100	[thread overview]
Message-ID: <1317289153-21123-6-git-send-email-dp@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1317289153-21123-1-git-send-email-dp@opensource.wolfsonmicro.com>

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
---
 drivers/base/regmap/regcache.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 5362578..f91bc7b 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -280,7 +280,9 @@ EXPORT_SYMBOL_GPL(regcache_sync);
  */
 void regcache_cache_only(struct regmap *map, bool enable)
 {
+	mutex_lock(&map->lock);
 	map->cache_only = enable;
+	mutex_unlock(&map->lock);
 }
 EXPORT_SYMBOL_GPL(regcache_cache_only);
 
-- 
1.7.6.4


  parent reply	other threads:[~2011-09-29  9:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-29  9:39 [PATCH 1/8] Revert "regmap: Grab the lock in regcache_cache_only()" Dimitris Papastamos
2011-09-29  9:39 ` [PATCH 2/8] regmap: Make _regmap_write() global Dimitris Papastamos
2011-09-29 10:19   ` Mark Brown
2011-09-29 10:20   ` Mark Brown
2011-09-29  9:39 ` [PATCH 3/8] regmap: Use the lockless _regmap_write() for syncing Dimitris Papastamos
2011-09-29  9:39 ` [PATCH 4/8] regmap: Guard regcache_sync() with map->lock Dimitris Papastamos
2011-09-29 10:22   ` Mark Brown
2011-09-29 13:26     ` Dimitris Papastamos
2011-09-29  9:39 ` [PATCH 5/8] regmap: Save/restore the bypass state upon syncing Dimitris Papastamos
2011-09-29  9:39 ` Dimitris Papastamos [this message]
2011-09-29  9:39 ` [PATCH 7/8] regmap: Implement regcache_cache_bypass helper function Dimitris Papastamos
2011-09-29  9:39 ` [PATCH 8/8] regmap: Ensure we scream if we enable cache bypass/only at the same time Dimitris Papastamos
2011-09-29 10:25   ` Mark Brown
2011-09-29 13:24     ` Dimitris Papastamos
2011-09-29 10:18 ` [PATCH 1/8] Revert "regmap: Grab the lock in regcache_cache_only()" Mark Brown

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