From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: mxs-auart serial driver DMA support? Date: Thu, 12 Jan 2012 10:42:45 +0100 Message-ID: <20120112094244.GA2775@pengutronix.de> References: <4F0E7EB0.2060906@bluegiga.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0F1p//8PRICkK4MW" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:60161 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753197Ab2ALJmw (ORCPT ); Thu, 12 Jan 2012 04:42:52 -0500 Content-Disposition: inline In-Reply-To: <4F0E7EB0.2060906@bluegiga.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Lauri Hintsala Cc: Sascha Hauer , "linux-arm-kernel@lists.infradead.org" , linux-serial@vger.kernel.org --0F1p//8PRICkK4MW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > Any plans to add DMA support for mxs-auart serial driver? I noticed > it is impossible to archive full 3.25 Mbs speed with current one. No plans from our side, currently. > As I understood porting DMA support from freescale's driver is not > trivial because MXS DMA implementation has been changed to mainline > version. Yes, luckily. DMAENGINE is really the way to go. Regards, Wolfram --=20 Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ | --0F1p//8PRICkK4MW Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAk8OqxQACgkQD27XaX1/VRse0wCfVXQN7EUxohj0oMOsEec5jiUv KLkAoMByQul5yNiogeKqTec5Izec7Blq =gJRU -----END PGP SIGNATURE----- --0F1p//8PRICkK4MW--