From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Grant Edwards <grant.b.edwards@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] Documentation about RS485 serial communications
Date: Tue, 16 Nov 2010 20:04:26 +0000 [thread overview]
Message-ID: <20101116200426.75085b68@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <ibuh1v$uh6$1@dough.gmane.org>
> Comtrol, Moxa, B&B, Sealevel, and others all sell PCI cards and
> Ethernet attached serial ports that have selectable interfaces
> (typically RS-232/422/485). Comtrol and Moxa have had drivers in the
> kernel tree for ages, but they've always had to use custom ioctl calls
> for things like configuring 232/485/422 mode and half/full-duplex
> mode.
Ok so what is needed that isn't covered by the current termiox and
TIOCG/SRS485 ioctls ?
> Having a standard API for things like interface mode, half-full
> duplex, inter-character timeout, 9-bit mode, and so on would be life a
> lot easier for those of us who maintain Linux serial drivers...
9bit mode is a real problem with the tty layer defined in terms of 8bit
streams but yes.
next prev parent reply other threads:[~2010-11-16 20:05 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-29 7:16 [PATCH] atmel_serial: Atmel RS485 support v2 Claudio Scordino
2010-03-29 19:44 ` Ryan Mallon
2010-03-30 9:07 ` Claudio Scordino
2010-03-30 19:37 ` Ryan Mallon
2010-04-08 7:58 ` Claudio Scordino
2010-04-08 9:01 ` Russell King - ARM Linux
2010-04-08 10:13 ` Alan Cox
2010-04-08 13:16 ` Claudio Scordino
2010-04-08 13:42 ` Alan Cox
2010-05-26 13:18 ` Nicolas Ferre
2010-05-27 8:37 ` Claudio Scordino
2010-05-27 9:57 ` Nicolas Ferre
2010-05-27 10:29 ` Wolfram Sang
2010-05-28 15:05 ` Claudio Scordino
2010-08-11 9:26 ` [PATCH] Documentation about RS485 serial communications Claudio Scordino
2010-08-11 10:02 ` Philippe De Muyter
2010-08-11 15:32 ` Randy Dunlap
2010-08-11 19:58 ` Claudio Scordino
2010-08-14 12:50 ` Claudio Scordino
2010-08-15 22:02 ` Randy Dunlap
2010-08-15 22:19 ` Russell King - ARM Linux
2010-10-19 12:28 ` Claudio Scordino
2010-10-19 14:29 ` Grant Edwards
2010-10-19 15:27 ` Alexander Stein
[not found] ` <i9kk4o$svc$1@dough.gmane.org>
2010-10-20 8:00 ` Alexander Stein
2010-10-20 18:56 ` Alan Cox
2010-10-24 11:29 ` Claudio Scordino
2010-11-10 9:17 ` Nicolas Ferre
2010-11-10 17:28 ` Greg KH
2010-11-11 10:22 ` Claudio Scordino
2010-11-16 14:30 ` Pavel Machek
2010-11-16 15:28 ` Alexander Stein
2010-11-16 16:13 ` Matt Schulte
2010-11-16 17:20 ` Alan Cox
2010-11-16 18:03 ` Grant Edwards
2010-11-16 20:04 ` Alan Cox [this message]
2010-11-30 19:19 ` Pavel Machek
[not found] ` <ibubf5$ev$1@dough.gmane.org>
2010-11-16 18:41 ` Matt Schulte
2010-05-28 9:42 ` [PATCH] atmel_serial: Atmel RS485 support v2 Haavard Skinnemoen
2010-05-28 13:54 ` [PATCH] MAINTAINERS: some Atmel drivers change maintainer Nicolas Ferre
2010-05-28 13:31 ` Haavard Skinnemoen
2010-06-11 7:23 ` Nicolas Ferre
2010-08-11 20:20 [PATCH] Documentation about RS485 serial communications Randy Dunlap
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