From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754573AbXDXFCl (ORCPT ); Tue, 24 Apr 2007 01:02:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754583AbXDXFCl (ORCPT ); Tue, 24 Apr 2007 01:02:41 -0400 Received: from 85.8.24.16.se.wasadata.net ([85.8.24.16]:50983 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754573AbXDXFCi (ORCPT ); Tue, 24 Apr 2007 01:02:38 -0400 Message-ID: <462D8FA2.5010609@drzeus.cx> Date: Tue, 24 Apr 2007 07:03:30 +0200 From: Pierre Ossman User-Agent: Thunderbird 2.0.0.0 (X11/20070414) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=_hera.drzeus.cx-12689-1177390956-0001-2" To: Madhusudhan c CC: linux-kernel@vger.kernel.org, philipl@overt.org Subject: Re: MMCv4 support (8-bit support missing) References: <4625DAFC.4000208@drzeus.cx> <46262953.3040801@drzeus.cx> <462797EE.2050808@drzeus.cx> In-Reply-To: X-Enigmail-Version: 0.95.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a MIME-formatted message. If you see this text it means that your E-mail software does not support MIME-formatted messages. --=_hera.drzeus.cx-12689-1177390956-0001-2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Madhusudhan c wrote: >=20 > Suppose a host controller is capable of suporting 8-bit and it tells > the core that it can support 8-bit. Now the card that is plugged in > might or might not support 8-bit based on the type of the card. There > is no field in the ext_csd which will tell you what bus width the card > can support. >=20 I've looked through the MMC 4.2 spec and I see nothing in it that even hi= nts that 8-bit support might be optional. So as it stands, the bus testing is= still out. Rgds Pierre --=_hera.drzeus.cx-12689-1177390956-0001-2 Content-Type: application/pgp-signature; name="signature.asc" Content-Transfer-Encoding: 7bit Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGLY+m7b8eESbyJLgRAhvjAJ4nQQc3KReYipkVbCuXMj1psq38WQCggFrj yi9lyqCaR6Wg/RVFdIax9TI= =WNNX -----END PGP SIGNATURE----- --=_hera.drzeus.cx-12689-1177390956-0001-2--