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Message-ID: <1536286099.6128.1.camel@intel.com>
Subject: Re: [PATCH v2 6/9] kbuild: consolidate Devicetree dtb build rules
From: Ley Foon Tan <ley.foon.tan@intel.com>
To: Rob Herring <robh@kernel.org>, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, Masahiro Yamada
 <yamada.masahiro@socionext.com>
Cc: Michal Marek <michal.lkml@markovi.net>, Vineet Gupta
 <vgupta@synopsys.com>,  Russell King <linux@armlinux.org.uk>, Catalin
 Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>,
 Yoshinori Sato <ysato@users.sourceforge.jp>, Michal Simek
 <monstr@monstr.eu>, Ralf Baechle <ralf@linux-mips.org>, Paul Burton
 <paul.burton@mips.com>,  James Hogan <jhogan@kernel.org>, Ley Foon Tan
 <lftan@altera.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul
 Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, Chris
 Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>,
 linux-kbuild@vger.kernel.org,  linux-snps-arc@lists.infradead.org,
 linux-arm-kernel@lists.infradead.org,
 uclinux-h8-devel@lists.sourceforge.jp, linux-mips@linux-mips.org,
 nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org,
 linux-xtensa@linux-xtensa.org
Date: Fri, 07 Sep 2018 10:08:19 +0800
In-Reply-To: <20180905235327.5996-7-robh@kernel.org>
References: <20180905235327.5996-1-robh@kernel.org>
 <20180905235327.5996-7-robh@kernel.org>
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On Wed, 2018-09-05 at 18:53 -0500, Rob Herring wrote:
> 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.
>=20
> 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.
>=20
> This change enables support 'dtbs_install' on some arches which were
> missing the target.
>=20
> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
> Cc: Michal Marek <michal.lkml@markovi.net>
> Cc: Vineet Gupta <vgupta@synopsys.com>
> Cc: Russell King <linux@armlinux.org.uk>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
> Cc: Michal Simek <monstr@monstr.eu>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Paul Burton <paul.burton@mips.com>
> Cc: James Hogan <jhogan@kernel.org>
> Cc: Ley Foon Tan <lftan@altera.com>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Chris Zankel <chris@zankel.net>
> Cc: Max Filippov <jcmvbkbc@gmail.com>
> Cc: linux-kbuild@vger.kernel.org
> Cc: linux-snps-arc@lists.infradead.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: uclinux-h8-devel@lists.sourceforge.jp
> Cc: linux-mips@linux-mips.org
> Cc: nios2-dev@lists.rocketboards.org
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: linux-xtensa@linux-xtensa.org
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> Please ack so I can take the whole series via the DT tree.
>=20
For nios2:

Acked-by: Ley Foon Tan <ley.foon.tan@intel.com>


Regards
Ley Foon