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From: Tom Rini <trini@kernel.crashing.org>
To: David Woodhouse <dwmw2@infradead.org>,
	Kumar Gala <kumar.gala@freescale.com>
Cc: Russell King <rmk+lkml@arm.linux.org.uk>,
	Phil Oester <kernel@linuxace.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Garbage on serial console after serial driver loads
Date: Tue, 3 May 2005 09:16:58 -0700	[thread overview]
Message-ID: <20050503161658.GP1221@smtp.west.cox.net> (raw)
In-Reply-To: <20050503151159.GL1221@smtp.west.cox.net>

On Tue, May 03, 2005 at 08:11:59AM -0700, Tom Rini wrote:
> On Tue, May 03, 2005 at 03:17:12PM +0100, David Woodhouse wrote:
> > On Mon, 2005-03-28 at 20:02 +0100, Russell King wrote:
> > > Is this patch ok for you?
> > 
> > Not really; it's just a quick hack applied without any real
> > consideration of the problem. If we're messing up the baud rate when we
> > change the master clock, then just make it change the divisor
> > accordingly at the same time. We don't seem to store the active
> > parameters of the serial console anywhere useful; we can do it just by
> > reading back the divisor and multiplying by eight though...
> > 
> > Tom, does this also mean you don't need the 'ifndef ppc'?
> 
> I don't recall the problem well enough right now, but I'll go toss this
> into a current git tree and let you know.

Dropping the 'ifndef ppc' is fine on my Motorola Sandpoint which I do
believe exhibited the problem previously. I've cc'd Kumar Gala since I see
on IRC that 85xx boards might also have had a problem here.

-- 
Tom Rini
http://gate.crashing.org/~trini/

  parent reply	other threads:[~2005-05-03 16:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-28 17:36 Phil Oester
2005-03-28 19:02 ` Russell King
2005-03-28 23:57   ` Dave Airlie
2005-05-03 14:17   ` David Woodhouse
2005-05-03 15:04     ` Phil Oester
2005-05-03 15:11     ` Tom Rini
2005-05-03 15:23       ` David Woodhouse
2005-05-03 16:00         ` Tom Rini
2005-05-03 16:16       ` Tom Rini [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-03-27 11:11 Jan Engelhardt
2005-03-25 20:24 Luca
2005-03-25 20:38 ` Russell King
2005-03-25 21:01   ` Luca
2005-03-26 10:16     ` Jan Engelhardt
2005-03-26 14:35       ` Luca
2005-03-26 15:10       ` Russell King
2005-03-26 15:55         ` Phil Oester
2005-03-26 16:37           ` Russell King
2005-03-26 17:19             ` Phil Oester
2005-03-26 17:22             ` Phil Oester
2005-04-13 12:45           ` Paul Slootman
2005-04-18 20:21             ` Phil Oester
2005-04-18 23:14             ` David Woodhouse

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