From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH/RFC] serial: Add ioctl to enable auto rs485 mode with some Exar UARTs Date: Mon, 22 Dec 2008 16:59:56 +0100 Message-ID: <20081222155956.GA13526@pengutronix.de> References: <200812190048.35249.mfuchs@ma-fu.de> <200812191613.29657.laurentp@cse-semaphore.com> <1229853004.3216.14.camel@thewinkle.toftronix.com.au> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:44400 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754766AbYLVQAG (ORCPT ); Mon, 22 Dec 2008 11:00:06 -0500 Content-Disposition: inline In-Reply-To: <1229853004.3216.14.camel@thewinkle.toftronix.com.au> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Chris Gibson Cc: Laurent Pinchart , Matthias Fuchs , linux-serial@vger.kernel.org --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello Chris, On Sun, Dec 21, 2008 at 08:50:04PM +1100, Chris Gibson wrote: > Two and a half weeks ago I submitted a patch to implement RS485 auto > direction control on either (or both) the RTS and the DTR lines with > varying pre and post delay settings that would work for _all_ uarts that > support mctrl. Just observing the case, I assume that this concern about software RS485 is still valid: http://article.gmane.org/gmane.linux.serial/2568 All the best, Wolfram --=20 Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAklPuXwACgkQD27XaX1/VRuiSgCdHe/cxrsKjpeoI1gIKRoQggAF Av0An3yMEWy9sr9kElPqtbRKS9/o0ENX =6kAh -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--