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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-11-05 14:30:53 +0900
committerRob Herring <robh@kernel.org>2017-11-09 17:03:07 -0600
commit7e7962dd1a5307bca1793a3f9a98ad5514306c7a (patch)
treef864a54ad98215bb7408767d9d2e32690e925980 /arch/mips/boot/dts/netlogic
parent3cad14d56adbf7d621fc5a35db42f3acc0a2d6e8 (diff)
kbuild: handle dtb-y and CONFIG_OF_ALL_DTBS natively in Makefile.lib
If CONFIG_OF_ALL_DTBS is enabled, "make ARCH=arm64 dtbs" compiles each DTB twice; one from arch/arm64/boot/dts/*/Makefile and the other from the dtb-$(CONFIG_OF_ALL_DTBS) line in arch/arm64/boot/dts/Makefile. It could be a race problem when building DTBS in parallel. Another minor issue is CONFIG_OF_ALL_DTBS covers only *.dts in vendor sub-directories, so this broke when Broadcom added one more hierarchy in arch/arm64/boot/dts/broadcom/<soc>/. One idea to fix the issues in a clean way is to move DTB handling to Kbuild core scripts. Makefile.dtbinst already recognizes dtb-y natively, so it should not hurt to do so. Add $(dtb-y) to extra-y, and $(dtb-) as well if CONFIG_OF_ALL_DTBS is enabled. All clutter things in Makefiles go away. As a bonus clean-up, I also removed dts-dirs. Just use subdir-y directly to traverse sub-directories. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Arnd Bergmann <arnd@arndb.de> [robh: corrected BUILTIN_DTB to CONFIG_BUILTIN_DTB] Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'arch/mips/boot/dts/netlogic')
-rw-r--r--arch/mips/boot/dts/netlogic/Makefile2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/mips/boot/dts/netlogic/Makefile b/arch/mips/boot/dts/netlogic/Makefile
index 6b2cf492db18..77ffb30c591b 100644
--- a/arch/mips/boot/dts/netlogic/Makefile
+++ b/arch/mips/boot/dts/netlogic/Makefile
@@ -8,5 +8,3 @@ obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
-
-always := $(dtb-y)