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From: Wolfram Sang <w.sang@pengutronix.de>
To: Tomas Lastovicka <tomas.lastovicka@gmail.com>
Cc: linux-serial@vger.kernel.org
Subject: Re: RS-485 automatic RTS toggle in Linux (on Winbond W83627UHG)
Date: Tue, 29 Nov 2011 18:57:28 +0100	[thread overview]
Message-ID: <20111129175728.GH5455@pengutronix.de> (raw)
In-Reply-To: <CAFnDbmD-LG1O45d9s8GPxcbmjeFJ=vSp450oJ_75ooxBMtZFCg@mail.gmail.com>

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> supported. Googling this issue around, i found a couple of suggestions
> but no solution (except drivers for Atmel and Etrax since kernel
> 2.6.38).

Judging from the datasheet, the device can do hardware based RS485,
nice. So look at those drivers you mentioned above how they handle the
RS485-related IOCTLs and adapt the bits for the hardware configuration.
Should be more fun with a newer kernel, but I think it is doable.

Regards,

   Wolfram

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

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  reply	other threads:[~2011-11-29 17:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-29 17:20 RS-485 automatic RTS toggle in Linux (on Winbond W83627UHG) Tomas Lastovicka
2011-11-29 17:57 ` Wolfram Sang [this message]
2011-11-29 22:13   ` Tomas Lastovicka
2011-11-29 22:20     ` Wolfram Sang
2011-11-29 22:25       ` Tomas Lastovicka
2011-11-29 22:36         ` Wolfram Sang
2011-11-29 23:15           ` Tomas Lastovicka
2011-12-07 11:58             ` Tomas Lastovicka

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