From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Laurent Pinchart <laurentp@cse-semaphore.com>
Cc: linux-serial@vger.kernel.org, rmk@arm.linux.org.uk
Subject: Re: [PATCH/RFC] 8250: Auto RS485 direction control
Date: Thu, 24 Jul 2008 12:57:06 +0100 [thread overview]
Message-ID: <20080724125706.19844a96@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <200807241347.33261.laurentp@cse-semaphore.com>
On Thu, 24 Jul 2008 13:47:29 +0200
Laurent Pinchart <laurentp@cse-semaphore.com> wrote:
> This patch adds support for the automatic RS485 direction control feature
> present in 16850 UARTs.
>
> A new termios c_cflag, CARTS, is introduced to configure automatic direction
> control from userspace.
>
> This is a first proposal. I'm open to suggestions regarding the CARTS name.
> I assume the CARTS flag will have to be added to all asm/termbits.h headers.
> Why are the termios bits definitions platform specific ?
Because many of them are made to match up with the existing previous
OS on those systems (eg to match with Alpha OSF).
I've no fundamental objection to this but I do wonder whether this
feature belongs in setserial rather than termios as it is so chip
specific ?
Alan
next prev parent reply other threads:[~2008-07-24 12:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-24 11:47 [PATCH/RFC] 8250: Auto RS485 direction control Laurent Pinchart
2008-07-24 11:57 ` Alan Cox [this message]
2008-07-24 12:24 ` Russell King
2008-07-24 12:27 ` Alan Cox
2008-07-24 12:52 ` Russell King
2008-07-24 13:00 ` Alan Cox
2008-07-24 13:18 ` Laurent Pinchart
2008-07-24 14:13 ` Matt Schulte
2008-07-24 14:47 ` Russell King
2008-07-24 12:10 ` Russell King
2008-08-04 14:14 ` Tosoni
2008-08-04 14:22 ` Grant Edwards
2008-08-04 14:36 ` Laurent Pinchart
2008-08-04 16:15 ` Grant Edwards
2008-08-04 16:21 ` Grant Edwards
2008-08-05 9:41 ` Laurent Pinchart
2008-08-05 12:55 ` Tosoni
2008-08-06 14:30 ` Christopher Gibson
2008-08-06 16:33 ` Tosoni
2008-08-09 10:08 ` Christopher Gibson
2008-08-07 8:50 ` Laurent Pinchart
2008-08-07 13:50 ` Grant Edwards
2008-08-10 3:49 ` Christopher Gibson
2008-08-10 3:57 ` Christopher Gibson
2008-08-29 12:22 ` Christopher Gibson
2008-12-02 13:09 ` [PATCH/RFC] " Christopher Gibson
2008-12-04 11:14 ` Christopher Gibson
2008-08-04 16:47 ` [PATCH/RFC] 8250: " Tosoni
2008-08-04 17:46 ` Grant Edwards
2008-08-04 20:59 ` Matt Schulte
2008-08-05 9:23 ` Laurent Pinchart
2008-08-05 9:34 ` Tosoni
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