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Date: Mon, 26 Mar 2018 19:24:28 +0100
From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: Aaron Durbin <adurbin@chromium.org>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
        Daniel Kurtz
 <djkurtz@chromium.org>,
        Ricardo Ribalda Delgado
 <ricardo.ribalda@gmail.com>,
        Greg Kroah-Hartman
 <gregkh@linuxfoundation.org>,
        Jiri Slaby <jslaby@suse.com>,
        Marc Gonzalez
 <marc_gonzalez@sigmadesigns.com>,
        Doug Anderson <dianders@chromium.org>,
        Matt Redfearn <matt.redfearn@mips.com>,
        Jeffy <jeffy.chen@rock-chips.com>,
        "open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
        Linux Kernel
 Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] serial: 8250_early: Add earlycon support for AMD
 Carrizo / Stoneyridge
Message-ID: <20180326192428.71c23abf@alans-desktop>
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> Sadly, this situation
> is not unique to this hardware. There is hardware all over that does
> not meet the current assumptions being made in the early uart drivers
> within the kernel.

Is there any fundamental reason you can't just embed dt entries in the
ACPI table to describe the other features you need. I appreciate it
doesn't solve the generic PC case but it ought to help for anything where
the firmware cares about Linux ?

Alan