csky: dtb Kbuild fixup patches for linux-4.20-rc1

These patches are complementary to "C-SKY(csky) Port for Linux 4.20" and
 fixup dtb Kbuild to follow the new Devicetree dtb build rules.
 
 Link: https://lore.kernel.org/lkml/CABGGisxiWaQn9qDqpfxEWcckkGJfMzFvSPGvuhQK7oB404-6DQ@mail.gmail.com/
 Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Merge tag 'csky-for-linus-4.20-fixup-dtb' of https://github.com/c-sky/csky-linux

Pull csky dtb fixups from Guo Ren:
 "These fix the csky dtb Kbuild to follow the new Devicetree dtb build
  rules"

* tag 'csky-for-linus-4.20-fixup-dtb' of https://github.com/c-sky/csky-linux:
  csky: use common dtb build rules
  csky: remove builtin-dtb Kbuild
This commit is contained in:
Linus Torvalds 2018-11-01 09:04:30 -07:00
commit 5c99a8d1ed
3 changed files with 2 additions and 31 deletions

View File

@ -1,9 +1 @@
menu "C-SKY Debug Options"
config CSKY_BUILTIN_DTB
string "Use kernel builtin dtb"
help
User could define the dtb instead of the one which is passed from
bootloader.
Sometimes for debug, we want to use a built-in dtb and then we needn't
modify bootloader at all.
endmenu
# dummy file, do not delete

View File

@ -65,26 +65,15 @@ libs-y += arch/csky/lib/ \
$(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
boot := arch/csky/boot
ifneq '$(CONFIG_CSKY_BUILTIN_DTB)' '""'
core-y += $(boot)/dts/
endif
all: zImage
dtbs: scripts
$(Q)$(MAKE) $(build)=$(boot)/dts
%.dtb %.dtb.S %.dtb.o: scripts
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
zImage Image uImage: vmlinux dtbs
zImage Image uImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
$(Q)$(MAKE) $(clean)=$(boot)/dts
rm -rf arch/csky/include/generated
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'

View File

@ -1,13 +1,3 @@
dtstree := $(srctree)/$(src)
ifneq '$(CONFIG_CSKY_BUILTIN_DTB)' '""'
builtindtb-y := $(patsubst "%",%,$(CONFIG_CSKY_BUILTIN_DTB))
dtb-y += $(builtindtb-y).dtb
obj-y += $(builtindtb-y).dtb.o
.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
else
dtb-y := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
endif
always += $(dtb-y)
clean-files += *.dtb *.dtb.S