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Date:	Fri, 3 Apr 2015 23:05:09 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Peter Hurley <peter@...leysoftware.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"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 Fri, Apr 3, 2015 at 8:32 PM, Peter Hurley <peter@...leysoftware.com> wrote:
> On 04/03/2015 11:24 PM, Yinghai Lu wrote:
>> On Fri, Apr 3, 2015 at 8:15 PM, Peter Hurley <peter@...leysoftware.com> wrote:
>>> On 04/03/2015 11:09 PM, Yinghai Lu wrote:
>>>> On Fri, Apr 3, 2015 at 7:19 PM, Yinghai Lu <yinghai@...nel.org> wrote:
>>>>> On Fri, Apr 3, 2015 at 5:04 PM, Peter Hurley <peter@...leysoftware.com> wrote:
>>>>>> Restore undocumented behavior of kernel command line parameters of
>>>>>> the forms:
>>>>>>     console=uart[8250],io|mmio|mmio32,<addr>[,options]
>>>>>>     console=uart[8250],<addr>[,options]
>>>>>> where 'options' have not been specified; in this case, the hardware
>>>>>> is assumed to be initialized.
>>>>>
>>>>>
>>>>> This patch fix regression for the hand over.  Thanks.
>>>>
>>>> Just now noticed, this patch only fix partial problem. Kernel console is ok.
>>>>
>>>> But later initrd/init scripts revert back to 9600 again.
>>>

I updated my fix a little bit. please check attached.

Thanks

Yinghai

View attachment "fix_earlycon_console_handover_v2.patch" of type "text/x-patch" (3050 bytes)

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