kernel: allow targets to specify KERNEL_PATCHVER instead of LINUX_VERSION

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Backport of r43043

SVN-Revision: 43066

diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index b49033e8ccf93ef6e0d695cf04c97aa98af4961c..514e095339a294ab6e426ea13b72b5d93e18a571 100644 (file)
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -2,20 +2,20 @@
 
 LINUX_RELEASE?=1
 
-ifeq ($(LINUX_VERSION),3.10.49)
-  LINUX_KERNEL_MD5SUM:=9774e12764e740d49c80eda77d0ef3eb
-endif
+LINUX_VERSION-3.10 = .49
 
-# disable the md5sum check for unknown kernel versions
-LINUX_KERNEL_MD5SUM?=x
+LINUX_KERNEL_MD5SUM-3.10.49 = 9774e12764e740d49c80eda77d0ef3eb
+
+ifdef KERNEL_PATCHVER
+  LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
+endif
 
 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))))
-ifeq ($(firstword $(call split_version,$(KERNEL_BASE))),2)
-  KERNEL_PATCHVER=$(call merge_version,$(wordlist 1,3,$(call split_version,$(KERNEL_BASE))))
-else
-  KERNEL_PATCHVER=$(KERNEL)
-endif
+KERNEL_PATCHVER ?= $(KERNEL)
 
+# disable the md5sum check for unknown kernel versions
+LINUX_KERNEL_MD5SUM:=$(LINUX_KERNEL_MD5SUM-$(strip $(LINUX_VERSION)))
+LINUX_KERNEL_MD5SUM?=x