2 files changed, 3 insertions, 4 deletions

diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile
index 820b31d10ae4..9c5185f605b6 100644
--- a/arch/xtensa/boot/Makefile
+++ b/arch/xtensa/boot/Makefile
@@ -8,13 +8,12 @@
 #
 
 
-CFLAGS          += -fno-builtin -Iarch/$(ARCH)/boot/include
+EXTRA_CFLAGS    += -fno-builtin -Iarch/$(ARCH)/boot/include
 HOSTFLAGS       += -Iarch/$(ARCH)/boot/include
 
 BIG_ENDIAN      := $(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
 
-export CFLAGS
-export AFLAGS
+export EXTRA_CFLAGS
 export BIG_ENDIAN
 
 subdir-y        := lib
diff --git a/arch/xtensa/boot/boot-redboot/Makefile b/arch/xtensa/boot/boot-redboot/Makefile
index f53262c2e1f3..74d15d08077b 100644
--- a/arch/xtensa/boot/boot-redboot/Makefile
+++ b/arch/xtensa/boot/boot-redboot/Makefile
@@ -19,7 +19,7 @@ boot-y	:= bootstrap.o
 OBJS    := $(addprefix $(obj)/,$(boot-y))
 LIBS    := arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
 
-LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
 zImage: vmlinux $(OBJS) $(LIBS)
         $(OBJCOPY) --strip-all -R .comment -R .xt.insn -O binary \