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regmap: Add tracepoints for cache only and cache bypass

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Useful for figuring out where the hardware interaction went or came from.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown
2012-02-23 22:02:57 +00:00
parent a3c3774176
commit 5d5b7d4f80
2 changed files with 38 additions and 0 deletions
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drivers/base/regmap/regcache.c
+2
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@@ -313,6 +313,7 @@ void regcache_cache_only(struct regmap *map, bool enable)
mutex_lock(&map->lock);
WARN_ON(map->cache_bypass && enable);
map->cache_only = enable;
trace_regmap_cache_only(map->dev, enable);
mutex_unlock(&map->lock);
}
EXPORT_SYMBOL_GPL(regcache_cache_only);
@@ -350,6 +351,7 @@ void regcache_cache_bypass(struct regmap *map, bool enable)
mutex_lock(&map->lock);
WARN_ON(map->cache_only && enable);
map->cache_bypass = enable;
trace_regmap_cache_bypass(map->dev, enable);
mutex_unlock(&map->lock);
}
EXPORT_SYMBOL_GPL(regcache_cache_bypass);