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Date:   Wed, 2 Nov 2022 17:46:54 -0400
From:   =?utf-8?B?TsOtY29sYXMgRi4gUi4gQS4=?= Prado 
        <nfraprado@collabora.com>
To:     Rob Herring <robh@kernel.org>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>, kernel@collabora.com,
        Masahiro Yamada <masahiroy@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Michal Marek <michal.lkml@markovi.net>,
        Nick Desaulniers <ndesaulniers@google.com>,
        linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] kbuild: Add DTB_FILES variable for dtbs_check
Message-ID: <20221102214654.axyptitp5kpq3wcq@notapiano>
References: <20221101220304.65715-1-nfraprado@collabora.com>
 <20221102171343.3ajwlkxhp7s7r36k@notapiano>
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On Wed, Nov 02, 2022 at 01:13:48PM -0400, N?colas F. R. A. Prado wrote:
> On Tue, Nov 01, 2022 at 06:03:03PM -0400, N?colas F. R. A. Prado wrote:
> > Currently running dtbs_check compiles and runs the DT checker on all
> > enabled devicetrees against all dt-bindings. This can take a long time,
> > and is an unnecessary burden when just validating a new devicetree or
> > changes in an existing one, with the dt-bindings unchanged.
> > 
> > Similarly to DT_SCHEMA_FILES for dt_binding_check, add a DTB_FILES
> > variable that can be passed to the dtbs_check make command to restrict
> > which devicetrees are validated.
> > 
> > Signed-off-by: N?colas F. R. A. Prado <nfraprado@collabora.com>
> > 
> > ---
> > Usage example:
> > make dtbs_check DTB_FILES='arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dtb arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dtb'
> 
> Hi,
> 
> I have just learned that it is already possible to achieve the same thing by
> passing the dtbs explicitly to make and enabling the DTBS_CHECK flag like so:
> 
> make CHECK_DTBS=y mediatek/mt8192-asurada-spherion-r0.dtb
> 
> This flag isn't documented anywhere outside the Makefile however. So I'll send a
> patch documenting it shortly, and this commit can be ignored.

Patch: https://lore.kernel.org/all/20221102214300.309347-1-nfraprado@collabora.com

Thanks,
N?colas