linux-kernel - Re: [PATCH 03/14] ARM: milbeaut: Add Milbeaut M10V early printk

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Message-ID: <CAL_JsqKMK7nMUxZLu9eV8tpnCXsAr2F4j=xTO8UL0g8V30kYZg@mail.gmail.com>
Date:   Mon, 19 Nov 2018 09:21:24 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     sugaya.taichi@...ionext.com
Cc:     linux-clk <linux-clk@...r.kernel.org>, devicetree@...r.kernel.org,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Russell King <linux@...linux.org.uk>,
        Jiri Slaby <jslaby@...e.com>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>
Subject: Re: [PATCH 03/14] ARM: milbeaut: Add Milbeaut M10V early printk

On Sun, Nov 18, 2018 at 7:00 PM Sugaya Taichi
<sugaya.taichi@...ionext.com> wrote:
>
> Add Milbeaut M10V earlyprintk.

Do you really need earlyprintk? earlycon is preferred instead. It's
not quite as early, but doesn't require rebuilding the kernel and
supports more than 1 fixed device. If you crash before earlycon is
enabled, that pretty much means either a bad dtb memory node or just
flaky memory.

Rob