diff --git a/package/kernel/modules/fs.mk b/package/kernel/modules/fs.mk
index 08d814d6ab..c86ef34e3b 100644
--- a/package/kernel/modules/fs.mk
+++ b/package/kernel/modules/fs.mk
@@ -61,7 +61,7 @@ $(eval $(call KernelPackage,fs-ntfs))
 
 define KernelPackage/fs-mbcache
   SUBMENU:=$(FS_MENU)
-  TITLE:=mbcache (used by ext2/ext3)
+  TITLE:=mbcache (used by ext2/ext3/ext4)
   KCONFIG:=CONFIG_FS_MBCACHE
   ifneq ($(CONFIG_FS_MBCACHE),)
     FILES:=$(LINUX_DIR)/fs/mbcache.$(LINUX_KMOD_SUFFIX)
@@ -115,17 +115,16 @@ define KernelPackage/fs-ext4
   SUBMENU:=$(FS_MENU)
   TITLE:=EXT4 filesystem support
   KCONFIG:= \
-	CONFIG_EXT4DEV_COMPAT=y \
 	CONFIG_EXT4_FS_XATTR=y \
 	CONFIG_EXT4_FS_POSIX_ACL=y \
 	CONFIG_EXT4_FS_SECURITY=y \
 	CONFIG_EXT4_FS \
 	CONFIG_JBD2
-  DEPENDS:= @LINUX_2_6 +kmod-crc16 $(if $(DUMP)$(CONFIG_FS_MBCACHE),+kmod-fs-mbcache)
+  DEPENDS:= @LINUX_2_6 +kmod-crc16 +kmod-crc32 $(if $(DUMP)$(CONFIG_FS_MBCACHE),+kmod-fs-mbcache)
   FILES:= \
 	$(LINUX_DIR)/fs/ext4/ext4.$(LINUX_KMOD_SUFFIX) \
 	$(LINUX_DIR)/fs/jbd2/jbd2.$(LINUX_KMOD_SUFFIX)
-  AUTOLOAD:=$(call AutoLoad,30,jbd2 $(EXT4_NAME))
+  AUTOLOAD:=$(call AutoLoad,30,jbd2 ext4)
 endef
 
 define KernelPackage/fs-ext4/description
diff --git a/target/linux/generic-2.6/config-2.6.25 b/target/linux/generic-2.6/config-2.6.25
index 3ac9274a2b..3ee9904321 100644
--- a/target/linux/generic-2.6/config-2.6.25
+++ b/target/linux/generic-2.6/config-2.6.25
@@ -758,7 +758,7 @@ CONFIG_JOLIET=y
 CONFIG_KMOD=y
 # CONFIG_LAPB is not set
 # CONFIG_LASAT is not set
-# CONFIG_LBD is not set
+CONFIG_LBD=y
 # CONFIG_LDM_PARTITION is not set
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
diff --git a/target/linux/generic-2.6/config-2.6.30 b/target/linux/generic-2.6/config-2.6.30
index 3de18d7695..2973ff532b 100644
--- a/target/linux/generic-2.6/config-2.6.30
+++ b/target/linux/generic-2.6/config-2.6.30
@@ -1047,7 +1047,7 @@ CONFIG_KMOD=y
 # CONFIG_LAPB is not set
 # CONFIG_LASAT is not set
 # CONFIG_LATENCYTOP is not set
-# CONFIG_LBD is not set
+CONFIG_LBD=y
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_TDO24M is not set
 # CONFIG_LCD_VGG2432A4 is not set
diff --git a/target/linux/generic-2.6/config-2.6.31 b/target/linux/generic-2.6/config-2.6.31
index 5d571fe664..6c8c4d36b7 100644
--- a/target/linux/generic-2.6/config-2.6.31
+++ b/target/linux/generic-2.6/config-2.6.31
@@ -1049,8 +1049,7 @@ CONFIG_KMOD=y
 # CONFIG_LAPB is not set
 # CONFIG_LASAT is not set
 # CONFIG_LATENCYTOP is not set
-# CONFIG_LBDAF is not set
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_TDO24M is not set
 # CONFIG_LCD_VGG2432A4 is not set
diff --git a/target/linux/generic-2.6/config-2.6.32 b/target/linux/generic-2.6/config-2.6.32
index ed632a8ed1..8f6efbee61 100644
--- a/target/linux/generic-2.6/config-2.6.32
+++ b/target/linux/generic-2.6/config-2.6.32
@@ -1108,8 +1108,7 @@ CONFIG_KMOD=y
 # CONFIG_LAPB is not set
 # CONFIG_LASAT is not set
 # CONFIG_LATENCYTOP is not set
-# CONFIG_LBDAF is not set
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
 # CONFIG_LDM_PARTITION is not set
 # CONFIG_LEDS_ALIX is not set
 # CONFIG_LEDS_BD2802 is not set