From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262116AbVF1AFr (ORCPT ); Mon, 27 Jun 2005 20:05:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262106AbVF1AFq (ORCPT ); Mon, 27 Jun 2005 20:05:46 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:3367 "EHLO pd4mo1so.prod.shaw.ca") by vger.kernel.org with ESMTP id S262117AbVF1AFi (ORCPT ); Mon, 27 Jun 2005 20:05:38 -0400 Date: Mon, 27 Jun 2005 18:03:13 -0600 From: Robert Hancock Subject: Re: USB ohci vs ehci In-reply-to: <4k9XR-2VC-35@gated-at.bofh.it> To: linux-kernel Message-id: <42C093C1.9090008@shaw.ca> MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=ISO-8859-1 Content-transfer-encoding: 7bit X-Accept-Language: en-us, en References: <4k9XR-2VC-37@gated-at.bofh.it> <4k9XR-2VC-35@gated-at.bofh.it> User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jim Ramsay wrote: > I have an NEC-based 'UP215-N101' USB 2.0 PCI card which can apparently > appear as a device under ohci-hcd or ehci-hcd, depending on which one > is loaded. If both modules are loaded, the device doesn't seem to > work, as it is detected by both USB 2.0 controllers are supposed to be detected by both EHCI and either OHCI or UHCI, since they support both interfaces. EHCI is only used for USB 2.0 high-speed devices and OHCI or UHCI is used for other devices. If the controller's not working, the problem will be something else.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/