From: Grant Edwards <grante@visi.com>
To: linux-serial@vger.kernel.org
Subject: Re: Interface for setting half-duplex transmitter mode
Date: Wed, 6 Aug 2008 21:38:02 +0000 (UTC) [thread overview]
Message-ID: <g7d5jq$jtt$1@ger.gmane.org> (raw)
In-Reply-To: 20080806192519.GB21558@fan.ossfans.org
On 2008-08-06, Sergey Lapin <slapin@ossfans.org> wrote:
> Is there any interface API for userspace, which I could use to
> set RS-485 mode on UART (which suports it via hardware, by
> setting 1 bit in configuration), which means half-duplex mode
> with RTS line toggling. Now I have it hard-coded for
> appropriate UART, and seen patch which sets this from platform
> data, but is there some API to do it dynamically?
You do realize that there is currently an actyive thread
discussing this, right?
> I know I could implement this by ioctl mechanism, but I need
> some non-standard ioctl number for that. Is there some sane
> way to accomplish my goals? I mean one which be accepted to
> mainline?
You should read the thread where this is being discussed, but
the short answer is that no, there is no standard way to do
this.
--
Grant Edwards grante Yow! I have a VISION! It's
at a RANCID double-FISHWICH on
visi.com an ENRICHED BUN!!
prev parent reply other threads:[~2008-08-06 21:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-06 19:25 Interface for setting half-duplex transmitter mode Sergey Lapin
2008-08-06 21:38 ` Grant Edwards [this message]
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