Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939965AbYCSWLx (ORCPT ); Wed, 19 Mar 2008 18:11:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756574AbYCSUiG (ORCPT ); Wed, 19 Mar 2008 16:38:06 -0400 Received: from gateway.drzeus.cx ([85.8.24.16]:35681 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758029AbYCSUiC (ORCPT ); Wed, 19 Mar 2008 16:38:02 -0400 Date: Tue, 18 Mar 2008 19:20:18 +0100 From: Pierre Ossman To: "Tomas Winkler" Cc: lkml , benzizbit@gmail.com Subject: Re: SDIO: IO-Ready Bit Message-ID: <20080318192018.1815fd57@mjolnir.drzeus.cx> In-Reply-To: <1ba2fa240803181043v511df0b6tbe43174feb2f7537@mail.gmail.com> References: <1ba2fa240803180400y1d7a2740t2c21b8b73a755016@mail.gmail.com> <20080318123325.0843b854@mjolnir.drzeus.cx> <1ba2fa240803181043v511df0b6tbe43174feb2f7537@mail.gmail.com> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.8; 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: 1973 Lines: 52 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-6176-1205864472-0001-2 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 18 Mar 2008 19:43:40 +0200 "Tomas Winkler" wrote: > On Tue, Mar 18, 2008 at 1:33 PM, Pierre Ossman wrote: > > > > A better approach is to simply have the drivers for your subfunctions = synchronize things. Make sure noone calls sdio_enable_func() until the firm= ware has been loaded. >=20 > This could even be done from user space in case you want to use a > standard driver. >=20 > Won't this prevent us from compiling the drivers into kernel? > Second how this possible especially with standard driver as they are > loaded. I know you can enforce module loading but how can you enforce > probing order form user space? You can tell the kernel to not automatically attach drivers to devices. That way you can have a user space process control exactly the order and timing of things. I haven't played around with this feature myself though, so I can't really provide you with any good information on how to use it. You should be able to google up something useful. Rgds Pierre --=_hera.drzeus.cx-6176-1205864472-0001-2 Content-Type: application/pgp-signature; name="signature.asc" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.8 (GNU/Linux) iEYEARECAAYFAkfgB+gACgkQ7b8eESbyJLhWCgCeJJJoU/ZMMkjYSQjmnJ4Wcogi bTkAoMNjHV1QRhJ/PPXDv16Kzme4qdQh =sAgd -----END PGP SIGNATURE----- --=_hera.drzeus.cx-6176-1205864472-0001-2-- -- 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/