linux-kernel - [PATCH 1/5] regmap: A cache type of _NONE behaves like a bypassed cache

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Date:	Mon, 19 Sep 2011 19:03:40 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 1/5] regmap: A cache type of _NONE behaves like a bypassed cache

Avoid extra special casing by setting the cache_bypass flag when we're
not caching.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/base/regmap/regcache.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index c438498..e0a4a0d 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -82,8 +82,10 @@ int regcache_init(struct regmap *map)
 	int i;
 	void *tmp_buf;
 
-	if (map->cache_type == REGCACHE_NONE)
+	if (map->cache_type == REGCACHE_NONE) {
+		map->cache_bypass = true;
 		return 0;
+	}
 
 	for (i = 0; i < ARRAY_SIZE(cache_types); i++)
 		if (cache_types[i]->type == map->cache_type)
-- 
1.7.6.3

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