From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: Enabling auto RS485 half-duplex control Date: Thu, 18 Dec 2008 10:35:14 +0100 Message-ID: <20081218093514.GA3400@pengutronix.de> References: <200812172224.13608.mfuchs@ma-fu.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="6c2NcOVqGQ03X4Wi" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:42371 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751971AbYLRJfQ (ORCPT ); Thu, 18 Dec 2008 04:35:16 -0500 Content-Disposition: inline In-Reply-To: <200812172224.13608.mfuchs@ma-fu.de> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Matthias Fuchs Cc: linux-serial@vger.kernel.org --6c2NcOVqGQ03X4Wi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Matthias, > I did not find a way to enable this mode through the=20 > standard serial driver. The UART is is detected correctly > but there seems to be no way to enable this mode > out of the box. >=20 > So what's the best way to implement this? > A new ioctl? Any idea? See commmit c26c56c0f40e200e61d1390629c806f6adaffbcc. I think any solution to activate RS485 should be based on this. Regards, Wolfram --=20 Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry --6c2NcOVqGQ03X4Wi 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) iEYEARECAAYFAklKGVIACgkQD27XaX1/VRvowwCfetdpSS6jivyXZvizETlrSdHw JXYAnj8pIQNymPmR3HR40vvnhVJdmflO =aBA3 -----END PGP SIGNATURE----- --6c2NcOVqGQ03X4Wi--