--- zzzz-none-000/linux-3.10.107/scripts/Makefile.lib	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/scripts/Makefile.lib	2021-02-04 17:41:59.000000000 +0000
@@ -27,7 +27,7 @@
 # ---------------------------------------------------------------------------
 # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o
 #   and add the directory to the list of dirs to descend into: $(subdir-y)
-# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) 
+# o if we encounter foo/ in $(obj-m), remove it from $(obj-m)
 #   and add the directory to the list of dirs to descend into: $(subdir-m)
 
 # Determine modorder.
@@ -46,7 +46,7 @@
 
 subdir-ym	:= $(sort $(subdir-y) $(subdir-m))
 
-# if $(foo-objs) exists, foo.o is a composite object 
+# if $(foo-objs) exists, foo.o is a composite object
 multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
 multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
 multi-used   := $(multi-used-y) $(multi-used-m)
@@ -63,7 +63,7 @@
 subdir-obj-y := $(filter %/built-in.o, $(obj-y))
 
 # $(obj-dirs) is a list of directories that contain object files
-obj-dirs := $(dir $(multi-objs) $(subdir-obj-y))
+obj-dirs := $(dir $(multi-objs) $(obj-y))
 
 # Replace multi-part objects by their individual parts, look at local dir only
 real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)
@@ -91,7 +91,7 @@
 
 # These flags are needed for modversions and compiling, so we define them here
 # already
-# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will 
+# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will
 # end up in (or would, if it gets compiled in)
 # Note: Files that end up in two or more modules are compiled without the
 #       KBUILD_MODNAME definition. The reason is that any made-up name would
@@ -119,6 +119,16 @@
 		$(CFLAGS_GCOV))
 endif
 
+#
+# Enable address sanitizer flags for kernel except some files or directories
+# we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE)
+#
+ifeq ($(CONFIG_KASAN),y)
+_c_flags += $(if $(patsubst n%,, \
+		$(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
+		$(CFLAGS_KASAN))
+endif
+
 # If building the kernel in a separate objtree expand all occurrences
 # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
 
@@ -152,12 +162,28 @@
 dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
 		 -I$(srctree)/arch/$(SRCARCH)/boot/dts                   \
 		 -I$(srctree)/arch/$(SRCARCH)/boot/dts/include           \
+		 -I$(srctree)/drivers/of/testcase-data                   \
 		 -undef -D__DTS__
 
+#Add DDR profiling for different DDR size in dtsi
+ifeq ($(CONFIG_IPQ_MEM_PROFILE),256)
+dtc_cpp_flags += -D __IPQ_MEM_PROFILE_256_MB__
+else ifeq ($(CONFIG_IPQ_MEM_PROFILE),512)
+dtc_cpp_flags += -D __IPQ_MEM_PROFILE_512_MB__
+endif
 # Finds the multi-part object the current object will be linked into
 modname-multi = $(sort $(foreach m,$(multi-used),\
 		$(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
 
+# Useful for describing the dependency of composite objects
+# Usage:
+#   $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
+define multi_depend
+$(foreach m, $(notdir $1), \
+	$(eval $(obj)/$m: \
+	$(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
+endef
+
 ifdef REGENERATE_PARSERS
 
 # GPERF
@@ -211,7 +237,7 @@
 
 # Commands useful for building a boot image
 # ===========================================================================
-# 
+#
 #	Use as following:
 #
 #	target: source(s) FORCE
@@ -225,7 +251,7 @@
 
 quiet_cmd_ld = LD      $@
 cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \
-	       $(filter-out FORCE,$^) -o $@ 
+	       $(filter-out FORCE,$^) -o $@
 
 # Objcopy
 # ---------------------------------------------------------------------------
@@ -244,7 +270,7 @@
 # ---------------------------------------------------------------------------
 
 # Generate an assembly file to wrap the output of the device tree compiler
-quiet_cmd_dt_S_dtb= DTB    $@
+quiet_cmd_dt_S_dtb= DTB     $@
 cmd_dt_S_dtb=						\
 (							\
 	echo '\#include <asm-generic/vmlinux.lds.h>'; 	\
@@ -262,7 +288,8 @@
 	$(call cmd,dt_S_dtb)
 
 quiet_cmd_dtc = DTC     $@
-cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
+	$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
 	$(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
 		-i $(dir $<) $(DTC_FLAGS) \
 		-d $(depfile).dtc.tmp $(dtc-tmp) ; \
@@ -303,7 +330,7 @@
 
 quiet_cmd_lzma = LZMA    $@
 cmd_lzma = (cat $(filter-out FORCE,$^) | \
-	lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
+	lzma e -d20 -lc1 -lp2 -pb2 -eos -si -so && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
 quiet_cmd_lzo = LZO     $@
@@ -311,6 +338,11 @@
 	lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
+quiet_cmd_lz4 = LZ4     $@
+cmd_lz4 = (cat $(filter-out FORCE,$^) | \
+	lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
+	(rm -f $@ ; false)
+
 # U-Boot mkimage
 # ---------------------------------------------------------------------------
 
@@ -362,7 +394,3 @@
 cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
 	xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
 	(rm -f $@ ; false)
-
-# misc stuff
-# ---------------------------------------------------------------------------
-quote:="