linux-kernel - Re: [PATCH] serial/sifive: select SERIAL

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Date:   Mon, 16 Sep 2019 14:22:49 +0200
From:   Christoph Hellwig <hch@....de>
To:     Paul Walmsley <paul.walmsley@...ive.com>
Cc:     Andreas Schwab <schwab@...e.de>, Christoph Hellwig <hch@....de>,
        gregkh@...uxfoundation.org, jslaby@...e.com,
        linux-serial@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] serial/sifive: select SERIAL_EARLYCON

On Mon, Sep 16, 2019 at 05:18:57AM -0700, Paul Walmsley wrote:
> I support Christoph's plan to add generic implicit earlycon support.

I'm not planning to add it, it exist already.  You just need a DT that
sets the stdout node up properly, and a earlycon driver using
OF_EARLYCON_DECLARE like the sifive uart driver.

The DT here for example works perfectly fine:

http://git.infradead.org/users/hch/riscv.git/commitdiff/f10e64873eafc68516b8884c06b9290b9887633b