Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760558AbYGRXCU (ORCPT ); Fri, 18 Jul 2008 19:02:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755806AbYGRXBu (ORCPT ); Fri, 18 Jul 2008 19:01:50 -0400 Received: from server.drzeus.cx ([85.8.24.28]:48672 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753751AbYGRXBs (ORCPT ); Fri, 18 Jul 2008 19:01:48 -0400 Date: Sat, 19 Jul 2008 01:01:43 +0200 From: Pierre Ossman To: Nicolas Ferre Cc: ARM Linux Mailing List , Andrew Victor , Ville Syrjala , Linux Kernel list Subject: Re: [PATCH 1/3] at91_mci: Enable MMC_CAP_SDIO_IRQ only when it actually works Message-ID: <20080719010143.142d59a0@mjolnir.drzeus.cx> In-Reply-To: <48809B00.1070405@atmel.com> References: <487F120F.2050305@atmel.com> <20080717125544.36f41947@mjolnir.drzeus.cx> <48809B00.1070405@atmel.com> X-Mailer: Claws Mail 3.4.0 (GTK+ 2.13.4; i386-redhat-linux-gnu) Face: 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 X-Face: @{|$W51qEixc&6}dq_38NM^&.vv|'{O)ae?DMZ1%VYxuhN2}5VpQ!'gx[{V+8Xw'+cV5*491_)-SU2YT8s@4`H;@:ELS'/P(@.JxxJi/C8mG0H#A^R X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2029 Lines: 60 This is a MIME-formatted message. If you see this text it means that your E-mail software does not support MIME-formatted messages. --=_freyr.drzeus.cx-23719-1216422107-0001-2 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Fri, 18 Jul 2008 15:30:40 +0200 Nicolas Ferre wrote: > Pierre Ossman : > >=20 > > Not all SDIO cards use 4-bit mode, so it looks to me like you have to > > disable it completely (unless there's a third revision where it works > > without any fine print?). >=20 > Well, I understand. >=20 > In your opinion, a printed warning that says to be sure to use only=20 > 4-bit mode SDIO cards on slot B... is not acceptable ? >=20 It's not really up to the user. The SDIO spec does not mandate 4-bit support, so some cards will not have it. > It kind of disappoints me to remove this feature as the=20 > at91sam9260ek/9xe/9g20 board uses only slot B, and I really like to=20 > connect SDIO with IRQ on it. >=20 I haven't seen the erratum, but is there no way to poke the hardware into getting the interrupt running even in 1-bit mode? --=20 -- Pierre Ossman WARNING: This correspondence is being monitored by the Swedish government. Make sure your server uses encryption for SMTP traffic and consider using PGP for end-to-end encryption. --=_freyr.drzeus.cx-23719-1216422107-0001-2 Content-Type: application/pgp-signature; name="signature.asc" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEARECAAYFAkiBINoACgkQ7b8eESbyJLjzrgCfV78hamt2yi9OUvFQNLHH4CGS +mMAoJd44mFsVccvNFyUN3EUoTcudvNj =Sous -----END PGP SIGNATURE----- --=_freyr.drzeus.cx-23719-1216422107-0001-2-- -- 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/