# 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:=2.6.21.5
- LINUX_RELEASE:=1
- LINUX_KERNEL_MD5SUM:=2e9a302b5d514b231640227d6a2ab7bf
- endif
-endif
-KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
+LINUX_RELEASE?=1
+
+ifeq ($(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),2.6.32.33)
+ LINUX_KERNEL_MD5SUM:=2b4e5ed210534d9b4f5a563089dfcc80
+endif
+ifeq ($(LINUX_VERSION),2.6.34.8)
+ LINUX_KERNEL_MD5SUM:=6dedac89df1af57b08981fcc6ad387db
+endif
+ifeq ($(LINUX_VERSION),2.6.35.11)
+ LINUX_KERNEL_MD5SUM:=4c9ee33801f5ad0f4d5e615fac66d535
+endif
+ifeq ($(LINUX_VERSION),2.6.36.4)
+ LINUX_KERNEL_MD5SUM:=c05dd941d0e249695e9f72568888e1bf
+endif
+ifeq ($(LINUX_VERSION),2.6.37.4)
+ LINUX_KERNEL_MD5SUM:=1d2dc321017a8dde09b779b4d8233273
+endif
+ifeq ($(LINUX_VERSION),2.6.38)
+ LINUX_KERNEL_MD5SUM:=7d471477bfa67546f902da62227fa976
+endif
+
+# disable the md5sum check for unknown kernel versions
+LINUX_KERNEL_MD5SUM?=x
+
+split_version=$(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))))