On Fri, Sep 7, 2018 at 5:33 AM Masahiro Yamada <[email protected]> wrote: > > 2018-09-06 8:53 GMT+09:00 Rob Herring <[email protected]>: > > 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 <[email protected]> > > Cc: Michal Marek <[email protected]> > > Cc: Vineet Gupta <[email protected]> > > Cc: Russell King <[email protected]> > > Cc: Catalin Marinas <[email protected]> > > Cc: Will Deacon <[email protected]> > > Cc: Yoshinori Sato <[email protected]> > > Cc: Michal Simek <[email protected]> > > Cc: Ralf Baechle <[email protected]> > > Cc: Paul Burton <[email protected]> > > Cc: James Hogan <[email protected]> > > Cc: Ley Foon Tan <[email protected]> > > Cc: Benjamin Herrenschmidt <[email protected]> > > Cc: Paul Mackerras <[email protected]> > > Cc: Michael Ellerman <[email protected]> > > Cc: Chris Zankel <[email protected]> > > Cc: Max Filippov <[email protected]> > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Signed-off-by: Rob Herring <[email protected]> > > --- > > 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
Any suggestions for how to fix given the problem with depending on scripts? I suppose I could make scripts depend on dtc instead, but I'd be back to needing to fix cleaning. Or I could just skip removing the cross compiler dependency for now. Rob _______________________________________________ linux-snps-arc mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-snps-arc
