From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: linux-kernel@vger.kernel.org
Cc: patches@opensource.wolfsonmicro.com,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH] regmap: Mark the cache as clean after a successful sync
Date: Thu, 23 Feb 2012 22:06:23 +0000 [thread overview]
Message-ID: <1330034783-8023-1-git-send-email-broonie@opensource.wolfsonmicro.com> (raw)
Previously the cache would never be marked clean, meaning syncs would
never be suppressed which isn't the end of the world but could be
inefficient.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/base/regmap/regcache.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 1124abc..938cb1d 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -288,6 +288,9 @@ int regcache_sync(struct regmap *map)
ret = map->cache_ops->sync(map, 0, map->max_register);
+ if (ret == 0)
+ map->cache_dirty = false;
+
out:
trace_regcache_sync(map->dev, name, "stop");
/* Restore the bypass state */
--
1.7.9.1
reply other threads:[~2012-02-23 22:06 UTC|newest]
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