# Use the default kernel version if the Makefile doesn't override it
-ifeq ($(LINUX_VERSION),)
- ifeq ($(KERNEL),2.4)
- LINUX_VERSION:=2.4.34
- LINUX_RELEASE:=1
- LINUX_KERNEL_MD5SUM:=f59665540a7f3351ea416a0dad104b55
- else
- LINUX_VERSION:=2.6.21.4
- LINUX_RELEASE:=1
- LINUX_KERNEL_MD5SUM:=c50995d713ba2d73f148e10073342568
- endif
-endif
-KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
+LINUX_RELEASE?=1
+
+ifeq ($(LINUX_VERSION),2.6.25.20)
+ LINUX_KERNEL_MD5SUM:=0da698edccf03e2235abc2830a495114
+endif
+ifeq ($(LINUX_VERSION),2.6.30.10)
+ LINUX_KERNEL_MD5SUM:=eb6be465f914275967a5602cb33662f5
+endif
+ifeq ($(LINUX_VERSION),2.6.31.14)
+ LINUX_KERNEL_MD5SUM:=3e7feb224197d8e174a90dd3759979fd
+endif
+ifeq ($(LINUX_VERSION),2.6.32.20)
+ LINUX_KERNEL_MD5SUM:=c254831e3f59b9fef14e61871e5f4738
+endif
+ifeq ($(LINUX_VERSION),2.6.33.7)
+ LINUX_KERNEL_MD5SUM:=2cea51deeaa0620a07d005ec3b148f06
+endif
+ifeq ($(LINUX_VERSION),2.6.34.5)
+ LINUX_KERNEL_MD5SUM:=d280b596b32f7497bbe9dd54669c99d6
+endif
+ifeq ($(LINUX_VERSION),2.6.35.3)
+ LINUX_KERNEL_MD5SUM:=5ebff49fd65a7bad234ce103b0b3ede0
+endif
+
+# disable the md5sum check for unknown kernel versions
+LINUX_KERNEL_MD5SUM?=x
+
+split_version=$(subst ., ,$(1))
+merge_version=$(subst $(space),.,$(1))
+KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
+KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
+KERNEL_PATCHVER=$(call merge_version,$(wordlist 1,3,$(call split_version,$(KERNEL_BASE))))