regmap: Fix doc comment

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 e1846eb..b10e38f 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -292,7 +292,7 @@
  * regcache_cache_bypass: Put a register map into cache bypass mode
  *
  * @map: map to configure
- * @cache_only: flag if changes should not be written to the hardware
+ * @cache_bypass: flag if changes should not be written to the hardware
  *
  * When a register map is marked with the cache bypass option, writes
  * to the register map API will only update the hardware and not the