diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 0855d55c194d7490fab02d6aad844d238d5a0a9e..54d77a5b59f682f9736645b8966473cd63e62f4c 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -720,7 +720,7 @@ config FORCE_MAX_ZONEORDER
 
 config MATH_EMULATION
 	bool "Math emulation"
-	depends on 4xx || 8xx || E200 || PPC_83xx || E500
+	depends on 4xx || 8xx || E200 || PPC_MPC832x || E500
 	---help---
 	  Some PowerPC chips designed for embedded applications do not have
 	  a floating-point unit and therefore do not implement the
diff --git a/arch/powerpc/configs/mpc834x_itx_defconfig b/arch/powerpc/configs/mpc834x_itx_defconfig
index 45757b61370216898fdc43f3da58d58d05e82eb8..7902806429f8a7979206049c7c71e7345c0a7ce6 100644
--- a/arch/powerpc/configs/mpc834x_itx_defconfig
+++ b/arch/powerpc/configs/mpc834x_itx_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.20-rc5
-# Mon Jan 22 22:23:43 2007
+# Fri Jan 26 00:19:02 2007
 #
 # CONFIG_PPC64 is not set
 CONFIG_PPC32=y
@@ -149,7 +149,6 @@ CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT is not set
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-CONFIG_MATH_EMULATION=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y
@@ -324,6 +323,7 @@ CONFIG_MTD=y
 # User Modules And Translation Layers
 #
 CONFIG_MTD_CHAR=y
+# CONFIG_MTD_BLKDEVS is not set
 # CONFIG_MTD_BLOCK is not set
 # CONFIG_MTD_BLOCK_RO is not set
 # CONFIG_FTL is not set
@@ -366,6 +366,7 @@ CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_START=0xfe000000
 CONFIG_MTD_PHYSMAP_LEN=0x1000000
 CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PHYSMAP_OF is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -390,6 +391,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
 # NAND Flash Device Drivers
 #
 # CONFIG_MTD_NAND is not set
+# CONFIG_MTD_NAND_CAFE is not set
 
 #
 # OneNAND Flash Device Drivers
@@ -1011,7 +1013,6 @@ CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_BANDWIDTH is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_MULTITHREAD_PROBE is not set
 # CONFIG_USB_OTG is not set
 
 #
diff --git a/arch/powerpc/configs/mpc834x_mds_defconfig b/arch/powerpc/configs/mpc834x_mds_defconfig
index c24db58be45773fb93aa2cc8ac60e5141a656cdd..9eaed3a369832cadfb7ba6a56e76eaf83063a798 100644
--- a/arch/powerpc/configs/mpc834x_mds_defconfig
+++ b/arch/powerpc/configs/mpc834x_mds_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.20-rc5
-# Mon Jan 22 22:24:10 2007
+# Fri Jan 26 00:19:27 2007
 #
 # CONFIG_PPC64 is not set
 CONFIG_PPC32=y
@@ -149,7 +149,6 @@ CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT is not set
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-CONFIG_MATH_EMULATION=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y
diff --git a/arch/powerpc/configs/mpc8360emds_defconfig b/arch/powerpc/configs/mpc8360emds_defconfig
index 58e6795dbfe5bd0babf2e0f5e9301248c805181a..bbe38ccc3d86c90de70366846eaef08b7dda478b 100644
--- a/arch/powerpc/configs/mpc8360emds_defconfig
+++ b/arch/powerpc/configs/mpc8360emds_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.20-rc5
-# Mon Jan 22 22:24:40 2007
+# Fri Jan 26 00:19:45 2007
 #
 # CONFIG_PPC64 is not set
 CONFIG_PPC32=y
@@ -150,7 +150,6 @@ CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT is not set
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-CONFIG_MATH_EMULATION=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y