linux-kernel - Re: 8250 UART doesn't work

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Message-ID: <50C0E737.2000201@zytor.com>
Date:	Thu, 06 Dec 2012 10:43:03 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Woody Wu <narkewoody@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: 8250 UART doesn't work

On 12/05/2012 11:56 PM, Woody Wu wrote:
> Hi, list
>
> Does anyone here familiar to the serial 8250 driver?
>
> I enabled two uart ports in my board definition, but the ports doesn't
> appear after I loaded the kernel (3.4.19).  I discovered, it failed at
> the UART port auto configuration stage, the exact function is
> autoconfig(...) in drivers/tty/serial/8250.c.
>

Sounds like you're using some kind of buggy UART IP... sharing which one 
might help people identify the problem, if they have seen it before.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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