linux-kernel - Re: [PATCH 0/8] serial: 8250: support hw-based RS485 direction control (finally!)

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Message-ID: <20111123150312.GH4063@pengutronix.de>
Date:	Wed, 23 Nov 2011 16:03:12 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	linux-serial@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Alan Cox <alan@...ux.intel.com>,
	Claudio Scordino <claudio@...dence.eu.com>,
	Juergen Beisert <jbe@...gutronix.de>,
	Matthias Fuchs <mfuchs@...fu.de>
Subject: Re: [PATCH 0/8] serial: 8250: support hw-based RS485 direction
 control (finally!)

On Wed, Nov 16, 2011 at 05:24:37PM +0100, Wolfram Sang wrote:
> Some 8250-variants control the direction pin for RS485 in hardware. Linux has
> RS485 support these days, so update the 8250-driver to adhere to that. There
> have been attempts for mainlining this before. So, I started with the version
> from Matthias which got no further comments, a proof-of-concept for the 16V2750
> from Jürgen, and reworked it to match the current state of RS485 in Linux. Some
> minor cleanup patches came along the way. Really looking forward to
> comments/tags, because I think it is really time to get this functionality into
> mainline once and for all ;)

Ping. Claudio? What do you think? Matthias, are you still there?

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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