Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966744Ab3DQOql (ORCPT ); Wed, 17 Apr 2013 10:46:41 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:40540 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966602Ab3DQOqk (ORCPT ); Wed, 17 Apr 2013 10:46:40 -0400 Date: Wed, 17 Apr 2013 15:46:37 +0100 From: Mark Brown To: Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kukjin Kim , linux-samsung-soc@vger.kernel.org, spi-devel-general@lists.sourceforge.net, Grant Likely , Padma Venkat Subject: Re: [PATCH v2] spi: s3c64xx: move to generic dmaengine API Message-ID: <20130417144637.GW13687@opensource.wolfsonmicro.com> References: <1365638712-1028578-1-git-send-email-arnd@arndb.de> <1365638712-1028578-30-git-send-email-arnd@arndb.de> <20130411165536.GO9243@opensource.wolfsonmicro.com> <201304112242.03252.arnd@arndb.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="c7rykKtsZvepKFKR" Content-Disposition: inline In-Reply-To: <201304112242.03252.arnd@arndb.de> X-Cookie: Be different: conform. User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1758 Lines: 43 --c7rykKtsZvepKFKR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Apr 11, 2013 at 10:42:03PM +0200, Arnd Bergmann wrote: > The spi-s3c64xx uses a Samsung proprietary interface for > talking to the DMA engine, which does not work with > multiplatform kernels. Actually it seems that this patch is causing issues for bulk SPI transfers on s3c64xx, especially when they're driven quickly one after another. I've only just found the problem so I've not been able to debug yet but a revert fixes it... --c7rykKtsZvepKFKR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJRbrXEAAoJELSic+t+oim99AAP/RdAeszwwW1PpsUnQSv2oCKj xFmUUIhOsZLWes0/FutEIZiriu5OOXpjsUnF8efnOw82uz4W68IHlyKDwKmjTluN Af2azRFigkd7L4BLJpBl5M9Q1uBJ4oXAw3Z/FtSPGDT7a5hkH0+DU4MYLCV2vRp0 dKI8AD0B2jQL0HrEShnFpYw2NulgzMemrWcK8hDZU4Ya4AdRxue2bBfoO4+utkBJ vZndujoun+YHymAYbO2+oZx0SeCkRZWzd9V05QWhqkGpMFIZIWhviFOrip0ajYFy B+47dJWHPqxifui0Ni0Q64j7XUxjzfpQvdsypX1Wl5PQYQW/DFqqOSwbQHFhOY1v 4849GsKs1yzy10VHQ6sKJiTwq8148+KPrTL9EIZtL5s65pqM5uH4TF27R1eOsS+a w2UvIWE5rjWnCVGUm3HiTF4pbhnXq3s1C7CZBZeaFv9+cTf9bQ8BXzaJCScyDoMe yYSIjxq5N6hURl9WyOMtY5YejO7ERIvHpxZc1JkY1PnLUXyc9+vkUBNU3KTVDL2j Q3OM7q4gMARrqj+k5weK15E2eq1AFKarpLK8mWFj8frOLW6ZysMQOufNSqOoibZV /yfcT0s2+NiGSXCN13nt2QOyUIkZn6/JZsRtE6lUzUJDyLbB5O1zohd2xd//WtFz pjNsLG2usYvdWS+ps9iM =roxK -----END PGP SIGNATURE----- --c7rykKtsZvepKFKR-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/