2018?10?2?(?) 0:26 Rob Herring <robh at kernel.org>: > > 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. > > Acked-by: Will Deacon <will.deacon at arm.com> > Acked-by: Paul Burton <paul.burton at mips.com> > Acked-by: Ley Foon Tan <ley.foon.tan at intel.com> > Cc: Masahiro Yamada <yamada.masahiro at socionext.com> Please change this to Acked-by: Masahiro Yamada <yamada.masahiro at socionext.com> Thanks. > Cc: Michal Marek <michal.lkml at markovi.net> > Cc: Vineet Gupta <vgupta at synopsys.com> > Cc: Russell King <linux at armlinux.org.uk> > Cc: Catalin Marinas <catalin.marinas at arm.com> > Cc: Yoshinori Sato <ysato at users.sourceforge.jp> > Cc: Michal Simek <monstr at monstr.eu> > Cc: Ralf Baechle <ralf at linux-mips.org> > Cc: James Hogan <jhogan at kernel.org> > Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org> > Cc: Paul Mackerras <paulus at samba.org> > Cc: Michael Ellerman <mpe at ellerman.id.au> > Cc: Chris Zankel <chris at zankel.net> > Cc: Max Filippov <jcmvbkbc at gmail.com> > Cc: linux-kbuild at vger.kernel.org > Cc: linux-snps-arc at lists.infradead.org > Cc: linux-arm-kernel at lists.infradead.org > Cc: uclinux-h8-devel at lists.sourceforge.jp > Cc: linux-mips at linux-mips.org > Cc: nios2-dev at lists.rocketboards.org > Cc: linuxppc-dev at lists.ozlabs.org > Cc: linux-xtensa at linux-xtensa.org > Signed-off-by: Rob Herring <robh at kernel.org> > --- > v4: > - Make dtbs and %.dtb rules depend on arch/$ARCH/boot/dts path rather than > CONFIG_OF_EARLY_FLATTREE > - Fix install path missing kernel version for dtbs_install > - Fix "make CONFIG_OF_ALL_DTBS=y" for arches like ARM which selectively > enable CONFIG_OF (and therefore dtc) -- Best Regards Masahiro Yamada
