linux-kernel - Re: [PATCH] arm64: defconfig: enable EFI_ARMSTUB_DTB

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Message-ID: <CAKv+Gu8FK9K0G-GJygdpkwqKYzjvpDDj8TyGTC2u0SRxK3ez_w@mail.gmail.com>
Date:   Wed, 5 Sep 2018 11:40:49 +0200
From:   Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:     Scott Branden <scott.branden@...adcom.com>
Cc:     Grant Likely <grant.likely@...retlab.ca>,
        Olof Johansson <olof@...om.net>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Arnd Bergmann <arnd@...db.de>,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Leif Lindholm <leif.lindholm@...aro.org>,
        Alexander Graf <agraf@...e.de>
Subject: Re: [PATCH] arm64: defconfig: enable EFI_ARMSTUB_DTB_LOADER

On 4 September 2018 at 19:19, Scott Branden <scott.branden@...adcom.com> wrote:
>
> Rather than introduce EFI_ARMSTUB_DTB_LOADER, why not have
> the efistub use CONFIG_OF to determine whether it supports dtb= or not?
>
> That way ACPI-only distros disable devicetree support entirely.
>

Unfortunately, CONFIG_OF cannot be disabled on arm64 even on ACPI-only builds.