linux-kernel - Re: [PATCH v2] earlycon: 8250: Fix command line regression

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Date:	Fri, 03 Apr 2015 22:50:59 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Yinghai Lu <yinghai@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jiri Slaby <jslaby@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v2] earlycon: 8250: Fix command line regression

On 04/03/2015 10:29 PM, Peter Hurley wrote:
> On 04/03/2015 10:19 PM, Yinghai Lu wrote:
>> Another regression.
>> when user have
>> console=uart8250,io,0x3f8 console=uart8250,io,0x2f8
>>
>> before your patchset:
>> port_0x3f8 is early console, and will be console later.
>> and port_0x2f8 is ignored, because only ONE early console is allowed.
>>        and old console setup, only handle ttyS0.
>>
>> after your patchset:
>> port_0x3f8 is early console, and will be console later.
>> port_0x2f8 will become default console, as new console with match method
>>    treat all uart8250 as ttyS0.
>>
>> Please fix that too.
> 
> That's a new feature, not a regression.

So, in all seriousness, you actually have this setup and want me to
fix this?

IOW, to support more than 1 earlycon in the future will require
using a totally different command line parameter. Awesome.

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