linux/arch/arc
Masahiro Yamada 7e7962dd1a 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>
2017-11-09 17:03:07 -06:00
..
boot kbuild: handle dtb-y and CONFIG_OF_ALL_DTBS natively in Makefile.lib 2017-11-09 17:03:07 -06:00
configs ARC: [plat-hsdk] initial port for HSDK board 2017-09-01 11:26:28 -07:00
include ARC changes for 4.14-rc1 2017-09-08 16:02:18 -07:00
kernel mm: treewide: remove GFP_TEMPORARY allocation flag 2017-09-13 18:53:16 -07:00
lib ARC: dw2 unwind: enable cfi pseudo ops in string lib 2016-09-30 14:48:22 -07:00
mm ARC: Re-enable MMU upon Machine Check exception 2017-09-01 11:29:05 -07:00
oprofile ARC: OProfile support 2013-02-15 23:16:00 +05:30
plat-axs10x ARC: [plat-axs103] refactor the DT fudging code 2017-09-01 11:26:26 -07:00
plat-eznps ARC: [plat-eznps] handle extra aux regs #1: save/restore on context switch 2017-08-28 15:17:36 -07:00
plat-hsdk ARC: [plat-hsdk] initial port for HSDK board 2017-09-01 11:26:28 -07:00
plat-sim ARC: [plat-sim] Include this platform unconditionally 2017-08-04 13:49:47 +05:30
plat-tb10x arc: select GPIOLIB directly 2016-04-26 14:07:59 +02:00
Kbuild
Kconfig ARC: [plat-hsdk] initial port for HSDK board 2017-09-01 11:26:28 -07:00
Kconfig.debug ARC: With earlycon in use, retire EARLY_PRINTK 2015-05-11 11:20:21 +05:30
Makefile ARC: [plat-hsdk] initial port for HSDK board 2017-09-01 11:26:28 -07:00