Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262904AbVBCBOH (ORCPT ); Wed, 2 Feb 2005 20:14:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262895AbVBCBM6 (ORCPT ); Wed, 2 Feb 2005 20:12:58 -0500 Received: from multivac.one-eyed-alien.net ([64.169.228.101]:39849 "EHLO multivac.one-eyed-alien.net") by vger.kernel.org with ESMTP id S262850AbVBCBMd (ORCPT ); Wed, 2 Feb 2005 20:12:33 -0500 Date: Wed, 2 Feb 2005 17:12:24 -0800 From: Matthew Dharm To: Aleksey Gorelov Cc: stern@rowland.harvard.edu, linux-kernel@vger.kernel.org Subject: Re: your mail Message-ID: <20050203011224.GA29748@one-eyed-alien.net> Mail-Followup-To: Aleksey Gorelov , stern@rowland.harvard.edu, linux-kernel@vger.kernel.org References: <5F106036E3D97448B673ED7AA8B2B6B301B3CD73@scl-exch2k.phoenix.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="C7zPtVaVf+AK4Oqc" Content-Disposition: inline In-Reply-To: <5F106036E3D97448B673ED7AA8B2B6B301B3CD73@scl-exch2k.phoenix.com> User-Agent: Mutt/1.4.1i Organization: One Eyed Alien Networks X-Copyright: (C) 2005 Matthew Dharm, all rights reserved. X-Message-Flag: Get a real e-mail client. http://www.mutt.org/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1709 Lines: 60 --C7zPtVaVf+AK4Oqc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable It's basically just like the code says. A lot of devices choke if you access them too quickly after enumeration. The 5 second delay seems to be enough for most devices. But we made it adjustable exactly for people like you. Matt On Wed, Feb 02, 2005 at 04:17:13PM -0800, Aleksey Gorelov wrote: > Hi Matt, Alan,=20 >=20 > Could you please tell me (link would do) why it makes default > delay_use=3D5=20 > really necessary (from the patch below)? > https://lists.one-eyed-alien.net/pipermail/usb-storage/2004-August/00074 > 7.html >=20 > It makes USB boot really painfull and slow :( >=20 > I understand there should be a good reason for it. I've tried to find > an answer in=20 > archives, without much success though. >=20 > Thanks, > Aleks. --=20 Matthew Dharm Home: mdharm-usb@one-eyed-alien.= net=20 Maintainer, Linux USB Mass Storage Driver Now payink attention, please. This is mouse. Click-click. Easy to=20 use, da? Now you try... -- Pitr to Miranda User Friendly, 10/11/1998 --C7zPtVaVf+AK4Oqc Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCAXp4IjReC7bSPZARAqplAJ9WD9TRlryVc1ikb8L4QZFsq+ezyQCgrnAw qakC8xzTroMWe/o9zuY30Q4= =kQBj -----END PGP SIGNATURE----- --C7zPtVaVf+AK4Oqc-- - 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/