Subject: Re: Garbage on serial console after serial driver loads
From: David Woodhouse <dwmw2@infradead.org>
To: Paul Slootman <paul+nospam@wurtel.net>
Cc: rmk@arm.linux.org.uk, linux-kernel@vger.kernel.org
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	 <20050326155549.GA5881@linuxace.com>  <d3j49v$u2j$1@news.cistron.nl>
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Date: Tue, 19 Apr 2005 09:14:14 +1000
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On Wed, 2005-04-13 at 12:45 +0000, Paul Slootman wrote:
> Phil Oester  <kernel@linuxace.com> wrote:
> >On Sat, Mar 26, 2005 at 03:10:05PM +0000, Russell King wrote:
> >> Doesn't matter.  The problem is that dwmw2's NS16550A patch (from ages
> >> ago) changes the prescaler setting for this device so we can use the
> >> higher speed baud rates.  This means any programmed divisor (programmed
> >> at early serial console initialisation time) suddenly becomes wrong as
> >> soon as we fiddle with the prescaler during normal UART initialisation
> >> time.

Hmm. Why aren't we recalculating the divisor when we change the
prescaler? This used to work for serial consoles at the time -- even for
serial consoles about 115200 baud, IIRC. 

-- 
dwmw2

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