Date: Mon, 7 Mar 2005 18:16:51 -0800
From: Andrew Morton <akpm@osdl.org>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: vandrove@vc.cvut.cz, cw@f00f.org, linux-kernel@vger.kernel.org
Subject: Re: XScale 8250 patches cause malfunction on AMD-8111
Message-Id: <20050307181651.4a87651d.akpm@osdl.org>
In-Reply-To: <20050307213148.B29948@flint.arm.linux.org.uk>
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	<20050307213148.B29948@flint.arm.linux.org.uk>
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Russell King <rmk+lkml@arm.linux.org.uk> wrote:
>
> On Mon, Mar 07, 2005 at 08:56:54PM +0100, Petr Vandrovec wrote:
>  > Well, problem is not in bit 6 in IER, but in bit 6 in high divisor byte,
>  > as DLAB is set to one from previous probe.  This simple clear of LCR
>  > register fixes problem with (probably all 16550A) chips being detected
>  > as XScale, and in addition to it it does not switch my 115200Bd serial
>  > line to 7Bd mode (0x4001 divisor) anymore.
> 
>  Good catch, thanks.  I'd preferably like to see Chris Wedgwood test this
>  before applying it - I'm sure it'll fix his problem as well, but I'd
>  like to be sure.

It fixes it on my box.  Thanks, all.
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