linux-kernel - Re: [PATCH] Enable console on PCI serial devices

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Date:	Wed, 15 Oct 2008 11:13:19 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	n0ano@...no.com
Cc:	Yinghai Lu <yinghai@...nel.org>, donald.d.dugger@...el.com,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH] Enable console on PCI serial devices

On Tue, 2008-10-14 at 17:30 -0600, n0ano@...no.com wrote:
> -		uart[8250],io,<addr>[,options]
> -		uart[8250],mmio,<addr>[,options]
> +		uart[8250],io,<addr>[,options[,clk]]
> +		uart[8250],mmio,<addr>[,options[,clk]]
>  			Start an early, polled-mode console on the 8250/16550
>  			UART at the specified I/O port or MMIO address,
>  			switching to the matching ttyS device later.  The
> -			options are the same as for ttyS, above.
> +			"options" are the same as for ttyS, above.  "clk"
> +			is the crystal frequency which defaults to 1843200
> +			(115200 * 16) but some hardware uses different
> +			crystal.

Shouldn't the earlycon entry be updated for the "clk" stuff too?


Paul Bolle

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