linux-kernel - [PATCH] regmap: Reset device debugfs when reinitialising the cache

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Message-Id: <1327602775-8873-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Thu, 26 Jan 2012 18:32:55 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	linux-kernel@...r.kernel.org
Cc:	patches@...nsource.wolfsonmicro.com,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regmap: Reset device debugfs when reinitialising the cache

Most of the data exposed via debugfs is for or from the cache so reset
all the debugfs configuration to make sure everything is up to date with
the latest configuration, especially if we're changing cache type.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/base/regmap/regmap.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index a5b27fb..80507d5 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -278,6 +278,7 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
 	mutex_lock(&map->lock);
 
 	regcache_exit(map);
+	regmap_debugfs_exit(map);
 
 	map->max_register = config->max_register;
 	map->writeable_reg = config->writeable_reg;
@@ -289,6 +290,8 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
 	map->cache_bypass = false;
 	map->cache_only = false;
 
+	regmap_debugfs_init(map);
+
 	ret = regcache_init(map, config);
 
 	mutex_unlock(&map->lock);
-- 
1.7.9.rc1

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