Masahiro Yamada
yamad****@socio*****
2018年 9月 7日 (金) 19:32:06 JST
2018-09-06 8:53 GMT+09:00 Rob Herring <robh****@kerne*****>: > There is nothing arch specific about building dtb files other than their > location under /arch/*/boot/dts/. Keeping each arch aligned is a pain. > The dependencies and supported targets are all slightly different. > Also, a cross-compiler for each arch is needed, but really the host > compiler preprocessor is perfectly fine for building dtbs. Move the > build rules to a common location and remove the arch specific ones. This > is done in a single step to avoid warnings about overriding rules. > > The build dependencies had been a mixture of 'scripts' and/or 'prepare'. > These pull in several dependencies some of which need a target compiler > (specifically devicetable-offsets.h) and aren't needed to build dtbs. > All that is really needed is dtc, so adjust the dependencies to only be > dtc. > > This change enables support 'dtbs_install' on some arches which were > missing the target. > > Cc: Masahiro Yamada <yamad****@socio*****> > Cc: Michal Marek <micha****@marko*****> > Cc: Vineet Gupta <vgupt****@synop*****> > Cc: Russell King <linux****@armli*****> > Cc: Catalin Marinas <catal****@arm*****> > Cc: Will Deacon <will.****@arm*****> > Cc: Yoshinori Sato <ysato****@users*****> > Cc: Michal Simek <monst****@monst*****> > Cc: Ralf Baechle <ralf****@linux*****> > Cc: Paul Burton <paul.****@mips*****> > Cc: James Hogan <jhoga****@kerne*****> > Cc: Ley Foon Tan <lftan****@alter*****> > Cc: Benjamin Herrenschmidt <benh****@kerne*****> > Cc: Paul Mackerras <paulu****@samba*****> > Cc: Michael Ellerman <mpe****@eller*****> > Cc: Chris Zankel <chris****@zanke*****> > Cc: Max Filippov <jcmvb****@gmail*****> > Cc: linux****@vger***** > Cc: linux****@lists***** > Cc: linux****@lists***** > Cc: uclin****@lists***** > Cc: linux****@linux***** > Cc: nios2****@lists***** > Cc: linux****@lists***** > Cc: linux****@linux***** > Signed-off-by: Rob Herring <robh****@kerne*****> > --- > Please ack so I can take the whole series via the DT tree. > > v2: > - Fix $arch/boot/dts path check for out of tree builds > - Fix dtc dependency for building built-in dtbs > - Fix microblaze built-in dtb building This breaks parallel building because two threads could descend into scripts/dtc at the same time. 'all' depends on both 'scripts' and 'dtc'. * 'scripts' target -- descends into scripts/, then scripts/dtc * 'dtc' target -- descents into scripts/dtc directly -- Best Regards Masahiro Yamada
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