with no users left, remove support for 2.6.21

SVN-Revision: 19578

Config.in

@@ -23,7 +23,6 @@ menu "Target Images"
 	choice
 		prompt "ramdisk compression"
 		depends TARGET_ROOTFS_INITRAMFS
-		depends !LINUX_2_6_21
 		depends !LINUX_2_6_25
 		default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
 		default TARGET_INITRAMFS_COMPRESSION_NONE

include/image.mk

@@ -23,7 +23,7 @@ JFFS2OPTS     :=  --pad --big-endian --squash
 SQUASHFS_OPTS :=  -be
 endif
 
-ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_21)$(CONFIG_LINUX_2_6_25),)
+ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
 USE_SQUASHFS3 := y
 endif
 

include/kernel-version.mk

@@ -8,9 +8,6 @@ LINUX_RELEASE?=1
 ifeq ($(LINUX_VERSION),2.4.37.5)
   LINUX_KERNEL_MD5SUM:=cb221187422acaf6c63a40c646e5e476
 endif
-ifeq ($(LINUX_VERSION),2.6.21.7)
-  LINUX_KERNEL_MD5SUM:=bc15fad1487336d5dcb0945cd039d8ed
-endif
 ifeq ($(LINUX_VERSION),2.6.25.20)
   LINUX_KERNEL_MD5SUM:=0da698edccf03e2235abc2830a495114
 endif

package/mac80211/Makefile

@@ -40,7 +40,7 @@ endef
 define KernelPackage/mac80211
   $(call KernelPackage/mac80211/Default)
   TITLE:=Linux 802.11 Wireless Networking Stack
-  DEPENDS+= +kmod-crypto-core +kmod-crypto-arc4 +kmod-crypto-aes +wireless-tools +iw @!LINUX_2_6_21 @!LINUX_2_6_25
+  DEPENDS+= +kmod-crypto-core +kmod-crypto-arc4 +kmod-crypto-aes +wireless-tools +iw @!LINUX_2_6_25
   FILES:= \
 	$(PKG_BUILD_DIR)/compat/compat.$(LINUX_KMOD_SUFFIX) \
 	$(PKG_BUILD_DIR)/compat/compat_firmware_class.$(LINUX_KMOD_SUFFIX) \

tools/Makefile

@@ -17,7 +17,7 @@ tools-y += m4 autoconf automake bison pkg-config sed mklibs
 tools-y += sstrip ipkg-utils genext2fs libuuid mtd-utils mkimage
 tools-y += firmware-utils patch-cmdline quilt yaffs2
 tools-$(CONFIG_TARGET_orion) += wrt350nv2-builder upslug2
-ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_21)$(CONFIG_LINUX_2_6_25),)
+ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
 tools-y += squashfs lzma-old
 else
 ifneq ($(CONFIG_TARGET_ar71xx),)