regmap: Add tracepoints for cache only and cache bypass
Useful for figuring out where the hardware interaction went or came from.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 69d4c9c..2d89ce0 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -313,6 +313,7 @@
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 @@
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);