Fix the cache problem in non upstream patches

Signed-off-by: Vivek Reddy <[email protected]>

rules/linux-kernel.dep

@@ -3,9 +3,8 @@ SPATH       := $($(LINUX_HEADERS_COMMON)_SRC_PATH)
 DEP_FILES   := rules/linux-kernel.mk rules/linux-kernel.dep
 SMDEP_FILES := $(addprefix $(SPATH)/,$(shell cd $(SPATH) && git ls-files))
 
-DEP_FLAGS := $(SONIC_COMMON_FLAGS_LIST) \
+DEP_FLAGS := $(SONIC_COMMON_FLAGS_LIST) $(INCLUDE_EXTERNAL_PATCHES) \
 	        $(KERNEL_PROCURE_METHOD) $(KERNEL_CACHE_PATH) $(SECURE_UPGRADE_MODE) $(SECURE_UPGRADE_SIGNING_CERT) \
-		$(INCLUDE_EXTERNAL_PATCHES) $(EXTERNAL_KERNEL_PATCH_LOC) $(EXTERNAL_KERNEL_PATCH_URL)
 
 $(LINUX_HEADERS_COMMON)_CACHE_MODE  := GIT_CONTENT_SHA
 $(LINUX_HEADERS_COMMON)_DEP_FLAGS   := $(DEP_FLAGS)

rules/linux-kernel.mk

@@ -12,7 +12,7 @@ endif
 # Place an URL here to .tar.gz file if you want to include those patches
 EXTERNAL_KERNEL_PATCH_URL =
 # Set y to include non upstream patches tarball provided by the corresponding platform
-INCLUDE_EXTERNAL_PATCHES = n
+INCLUDE_EXTERNAL_PATCHES ?= n
 # platforms should override this and provide an absolute location to the patches
 EXTERNAL_KERNEL_PATCH_LOC =
 

slave.mk

@@ -448,6 +448,7 @@ endif
 $(info "CROSS_BUILD_ENVIRON"             : "$(CROSS_BUILD_ENVIRON)")
 $(info "GZ_COMPRESS_PROGRAM"             : "$(GZ_COMPRESS_PROGRAM)")
 $(info "LEGACY_SONIC_MGMT_DOCKER"        : "$(LEGACY_SONIC_MGMT_DOCKER)")
+$(info "INCLUDE_EXTERNAL_PATCHES"        : "$(INCLUDE_EXTERNAL_PATCHES)")
 $(info )
 else
 $(info SONiC Build System for $(CONFIGURED_PLATFORM):$(CONFIGURED_ARCH))