diff --git a/[refs] b/[refs]
index 764fa70d9cfa..155fe95d935f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 53ed916db9b12de80c7163ee6d3491869219ee5e
+refs/heads/master: 2d81a59575813a1deb2405eb81e36131377619ee
diff --git a/trunk/arch/arm/configs/mackerel_defconfig b/trunk/arch/arm/configs/mackerel_defconfig
index ec8e605b408c..9fb11895b2e2 100644
--- a/trunk/arch/arm/configs/mackerel_defconfig
+++ b/trunk/arch/arm/configs/mackerel_defconfig
@@ -75,6 +75,7 @@ CONFIG_I2C=y
 CONFIG_I2C_SH_MOBILE=y
 # CONFIG_HWMON is not set
 # CONFIG_MFD_SUPPORT is not set
+CONFIG_REGULATOR=y
 CONFIG_FB=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_SH_MOBILE_LCDC=y