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From: David Woodhouse <dwmw2@infradead.org>
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To: Russell King <rmk@arm.linux.org.uk>
Cc: DevilKin <devilkin-lkml@blindguardian.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.50 - 8250_cs does NOT work 
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Date: Mon, 07 Oct 2002 09:34:27 +0100
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rmk@arm.linux.org.uk said:
> > If i load the 8250_cs module, I get _nothing_ at all. No text in
> > system logs, nothing. Modem doesn't respond under the old /dev/ttyS1, 
> > I've tried all other /dev/ttySx's to see if it hasn't been remapped.
> > Unfortunately, no.
> > 
> > Is there anything else I can try? I really need my modem back...

> Known problem.  I've sent a fix to someone else for it but iirc they
> never came back.  The following patch is completely untested - I'm
> still trying to get 2.5.40 to build at present. 

Doesn't compile. ALPHA_KLUDGE_MCR undefined. That crap in the generic 8250
code should go away in favour of some mask bits set by the platform-specific
code when it registers the ports. You probably want to set the default _and_
the permitted bits that way.

--
dwmw2