linux-kernel - Re: [PATCH] Add support for Korenix 16C950-based PCI cards

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Date:	Wed, 20 Dec 2006 19:05:57 +0000
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Linux Kernel List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: [PATCH] Add support for Korenix 16C950-based PCI cards

On Wed, Dec 20, 2006 at 04:33:10PM +0300, Andrey Panin wrote:
> On 347, 12 13, 2006 at 02:45:46PM +0000, Russell King wrote:
> > Linus, Andrew,
> > 
> > This patch adds initial support to 8250-pci for the Korenix Jetcard PCI
> > serial cards.  The JC12xx cards are standard RS232-based serial cards
> > utilising the Oxford 16C950 device.
> > 
> > The JC14xx are RS422/RS485-based cards, but in order for these to be
> > supported natively, we will need additional tweaks to the 8250 layers
> > so we can specify some values for the 950's registers.  Hence, these
> > two entries are commented out.
> 
> IIRC 16c950 just need two bits in ACR set properly. Will attached patch 
> do the trick ?

I, too, also have a patch which does something similar.  I'm going to
hold off on that until post 2.6.20 though, especially as I have no
way to test it.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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