Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753288AbaGJMJP (ORCPT ); Thu, 10 Jul 2014 08:09:15 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:57348 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752173AbaGJMJM (ORCPT ); Thu, 10 Jul 2014 08:09:12 -0400 Date: Thu, 10 Jul 2014 14:01:20 +0200 From: Mark Brown To: Harini Katakam Cc: Geert Uytterhoeven , Grant Likely , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , linux-spi , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-doc@vger.kernel.org" , David Woodhouse , Brian Norris , Marek =?utf-8?B?VmHFoXV0?= , Artem Bityutskiy , Geert Uytterhoeven , Sascha Hauer , Jingoo Han , Sourav Poddar , "michals@xilinx.com" , Punnaiah Choudary Kalluri Message-ID: <20140710120120.GD30458@sirena.org.uk> References: <1404982207-4707-1-git-send-email-harinik@xilinx.com> <1404982207-4707-2-git-send-email-harinik@xilinx.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Lv0dYwq55yjFwMRW" Content-Disposition: inline In-Reply-To: X-Cookie: You look tired. User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: 82.127.83.212 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [RFC PATCH 1/2] spi: Add support for Zynq QSPI controller X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Lv0dYwq55yjFwMRW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jul 10, 2014 at 04:03:19PM +0530, Harini Katakam wrote: > OK. Correct me if I'm wrong but announcing this support in master->flags is > just to say the controller supports it - Like Punnaiah mentioned in the other No, it's broken to set this if there is no ability to use it. > mail, nothing specific needs to be done from the controller driver to enable > dual/quad support. This is at the SOC/IP level. How does the client driver select the width to use for a transfer? --Lv0dYwq55yjFwMRW Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBAgAGBQJTvoCHAAoJELSic+t+oim9RAkQAJz8R+eH3JIKhwdnVPZy39rq q9oQD1jIGzuw8raIxv2ip1S9dQA11AwHBVHKGsGhxW2vcBJ+WwLKxtLrS9mGVlTh 71ER2yw4uglokBeqrBePhqUW3IPkx71YKlcde9UuB20+dlC0KLltqhY3RN7iNRKx s2CU7xRmPuQChTvJCd97/MalpWRr+L0f9A++X6PLiTMr+TAduyAnobbFlukqURcQ 2UOGytJVKsNjsuSmI32ai/JPTWRekv/iakVG+IFmlXjQsAry4Zg/9LbclP157yv+ Mtsrv+uNJ5IbXtJZpezH+ZkaIqVbgsOWBaGt1BEtjeHNWKSbSvQ77k1mI5azPQYo igA1JHAzoxoDLU4tPClF6xl7JqH1ua1MtHyWyMCTk1cJTwpHST9HhL1M1hBFfYuW e6uO9cz1xtBSTMgNXR9OLcaye83BGE9E/rJ/Ob2wJ4+ZoVnlfo12meD+/GLZch82 HEb1qbWf1TIbCghnZ05aRJEXnYlrq1yrhskQIm+Fw+10F7muofUO30/EH9GpMNnn xobDOeuo/TZUuDfbyxU3nyYtiZZr3YtQz1/nfmjIkGTPl2nZPhOUzT2cPGr/ZQtU it32QdkylIs5WOkcDgxulKzSAw788Oac9QRExjOcfLIAK1B91GVj7tkr6PYxyo98 fo78SIR/V4JxvUoy9VLY =z2by -----END PGP SIGNATURE----- --Lv0dYwq55yjFwMRW-- -- 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/