linux-kernel - Re: [PATCH v11 2/4] ACPI: parse SPCR and enable matching console

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Message-ID: <mvmzia1bnvu.fsf@suse.de>
Date:   Mon, 11 Sep 2017 11:11:49 +0200
From:   Andreas Schwab <schwab@...e.de>
To:     Aleksey Makarov <aleksey.makarov@...aro.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        linux-serial@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Russell King <linux@....linux.org.uk>,
        Len Brown <lenb@...nel.org>,
        Leif Lindholm <leif.lindholm@...aro.org>,
        Graeme Gregory <graeme.gregory@...aro.org>,
        Al Stone <ahs3@...hat.com>,
        Christopher Covington <cov@...eaurora.org>,
        Yury Norov <ynorov@...iumnetworks.com>,
        Peter Hurley <peter@...leysoftware.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        "Zheng\, Lv" <lv.zheng@...el.com>,
        Mark Salter <msalter@...hat.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Jiri Slaby <jslaby@...e.com>
Subject: Re: [PATCH v11 2/4] ACPI: parse SPCR and enable matching console

On Sep 27 2016, Aleksey Makarov <aleksey.makarov@...aro.org> wrote:

> 'ARM Server Base Boot Requiremets' [1] mentions SPCR (Serial Port
> Console Redirection Table) [2] as a mandatory ACPI table that
> specifies the configuration of serial console.
>
> Defer initialization of DT earlycon until ACPI/DT decision is made.
>
> Parse the ACPI SPCR table, setup earlycon if required,
> enable specified console.

How can I tell the kernel to ignore this table and use the console on
the command line instead?

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@...e.de
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