linux-kernel - Re: [PATCH] xtensa: rename BUILTIN_DTB to BUILTIN_DTB

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Message-ID: <CAMo8BfL=MX3GhggPbaKUFj5sPme5W3crDEMkMU8BgQJARcMjRw@mail.gmail.com>
Date:   Wed, 23 Jan 2019 11:33:36 -0800
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Corentin Labbe <clabbe@...libre.com>
Cc:     Chris Zankel <chris@...kel.net>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        linux-xtensa@...ux-xtensa.org
Subject: Re: [PATCH] xtensa: rename BUILTIN_DTB to BUILTIN_DTB_SOURCE

On Wed, Jan 23, 2019 at 1:49 AM Corentin Labbe <clabbe@...libre.com> wrote:
>
> When building some xtensa config, I hit the following warning:
> drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
>
> It is due to some arch use BUILTIN_DTB as a flag for the need to builtin
> dtb but xtensa use it as a string for which dtb to bulltin.
> But for this (which dtb to build), it is better to use
> BUILTIN_DTB_SOURCE like other arch do.

It's odd that we see a warning from the driver's Kconfig, even though
the driver itself is not selected (it depends on SOC_MT7621 which
is a MIPS-based SoC).

-- 
Thanks.
-- Max