linux-kernel - Re: [PATCH 5/5] tty: amba-pl011: Add earlycon support for SBSA UART

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Message-ID: <20160927105748.GA3847@kroah.com>
Date:   Tue, 27 Sep 2016 12:57:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:     Wei Xu <xuwei5@...ilicon.com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>, majun258@...wei.com,
        guohanjun@...wei.com, linux-kernel@...r.kernel.org,
        Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH 5/5] tty: amba-pl011: Add earlycon support for SBSA UART

On Sat, Sep 24, 2016 at 05:14:25PM +0800, Kefeng Wang wrote:
> Declare an OF early console for SBSA UART so that the early console device
> can be specified via the "stdout-path" property in device-tree.
> 
> Cc: Russell King <linux@...linux.org.uk>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
>  drivers/tty/serial/amba-pl011.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
> index 7d9b291..3688d3b 100644
> --- a/drivers/tty/serial/amba-pl011.c
> +++ b/drivers/tty/serial/amba-pl011.c
> @@ -2330,6 +2330,7 @@ static int __init pl011_early_console_setup(struct earlycon_device *device,
>  	return 0;
>  }
>  OF_EARLYCON_DECLARE(pl011, "arm,pl011", pl011_early_console_setup);
> +OF_EARLYCON_DECLARE(pl011, "arm,sbsa-uart", pl011_early_console_setup);

Why do you need another option for the same thing?

confused,

greg k-h