regmap: Add the regcache_sync trace event
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 142d9cd..00609bf 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -221,12 +221,18 @@
*/
int regcache_sync(struct regmap *map)
{
+ int ret;
+ const char *name;
+
BUG_ON(!map->cache_ops);
if (map->cache_ops->sync) {
dev_dbg(map->dev, "Syncing %s cache\n",
map->cache_ops->name);
- return map->cache_ops->sync(map);
+ name = map->cache_ops->name;
+ trace_regcache_sync(map->dev, name, "start");
+ ret = map->cache_ops->sync(map);
+ trace_regcache_sync(map->dev, name, "stop");
}
return 0;
}