[PATCH] arm64: Add dtbs target for building all the enabled dtbfiles

[Catalin Marinas]

Based on Rob Herring's patches for arch/arm, this patch adds a dtbs
target to arch/arm64/boot/Makefile.

Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
---
 arch/arm64/Makefile        | 17 +++++++++++------
 arch/arm64/boot/.gitignore |  1 +
 arch/arm64/boot/Makefile   |  6 ++++++
 3 files changed, 18 insertions(+), 6 deletions(-)
 create mode 100644 arch/arm64/boot/dts/Makefile

diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 93e871e..ddadd27 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -42,20 +42,24 @@ libs-y=09=09:=3D arch/arm64/lib/ $(libs-y)
 libs-y=09=09+=3D $(LIBGCC)
=20
 # Default target when executing plain make
-KBUILD_IMAGE :=3D Image.gz
+KBUILD_IMAGE=09:=3D Image.gz
+KBUILD_DTBS=09:=3D dtbs
=20
-all:=09$(KBUILD_IMAGE)
+all:=09$(KBUILD_IMAGE) $(KBUILD_DTBS)
=20
 boot :=3D arch/arm64/boot
=20
 Image Image.gz: vmlinux
-=09$(Q)$(MAKE) $(build)=3D$(boot) MACHINE=3D$(MACHINE) $(boot)/$@
+=09$(Q)$(MAKE) $(build)=3D$(boot) $(boot)/$@
=20
 zinstall install: vmlinux
-=09$(Q)$(MAKE) $(build)=3D$(boot) MACHINE=3D$(MACHINE) $@
+=09$(Q)$(MAKE) $(build)=3D$(boot) $@
=20
-%.dtb:
-=09$(Q)$(MAKE) $(build)=3D$(boot) MACHINE=3D$(MACHINE) $(boot)/$@
+%.dtb: scripts
+=09$(Q)$(MAKE) $(build)=3D$(boot) $(boot)/$@
+
+dtbs: scripts
+=09$(Q)$(MAKE) $(build)=3D$(boot) $(boot)/$@
=20
 # We use MRPROPER_FILES and CLEAN_FILES now
 archclean:
@@ -64,6 +68,7 @@ archclean:
 define archhelp
   echo  '* Image.gz      - Compressed kernel image (arch/$(ARCH)/boot/Imag=
e.gz)'
   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Im=
age)'
+  echo  '* dtbs          - Build device tree blobs for enabled boards'
   echo  '  install       - Install uncompressed kernel'
   echo  '  zinstall      - Install compressed kernel'
   echo  '                  Install using (your) ~/bin/installkernel or'
diff --git a/arch/arm64/boot/.gitignore b/arch/arm64/boot/.gitignore
index 8dab0bb..98af90a 100644
--- a/arch/arm64/boot/.gitignore
+++ b/arch/arm64/boot/.gitignore
@@ -1,2 +1,3 @@
 Image
 Image.gz
+*.dtb
diff --git a/arch/arm64/boot/Makefile b/arch/arm64/boot/Makefile
index 20048be..ce8642e 100644
--- a/arch/arm64/boot/Makefile
+++ b/arch/arm64/boot/Makefile
@@ -14,6 +14,8 @@
 # Based on the ia64 boot/Makefile.
 #
=20
+include $(srctree)/arch/arm64/boot/dts/Makefile
+
 targets :=3D Image Image.gz
=20
 $(obj)/Image: vmlinux FORCE
@@ -22,6 +24,10 @@ $(obj)/Image: vmlinux FORCE
 $(obj)/Image.gz: $(obj)/Image FORCE
 =09$(call if_changed,gzip)
=20
+targets +=3D $(dtb-y)
+
+$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
+
 install: $(obj)/Image
 =09$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 =09$(obj)/Image System.map "$(INSTALL_PATH)"
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
new file mode 100644
index 0000000..e69de29
--wRRV7LY7NUeQGEoC--

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