Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755393AbXKAQUH (ORCPT ); Thu, 1 Nov 2007 12:20:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752589AbXKAQT5 (ORCPT ); Thu, 1 Nov 2007 12:19:57 -0400 Received: from smtp106.biz.mail.mud.yahoo.com ([68.142.200.254]:42481 "HELO smtp106.biz.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752810AbXKAQT4 (ORCPT ); Thu, 1 Nov 2007 12:19:56 -0400 X-YMail-OSG: 6b1tJMcVM1k9Idl2cERfa4yAO3A8NAV6EPEIWFnUIy6TTWDIyTfUkO04M4ORXY2k_Oxu56ftcg-- From: Steven King Organization: fdwdc.com To: linux-kernel@vger.kernel.org Subject: Re: [linux-usb-devel] ti_usb_3410_5052 breakage in 2.6.24-rc1 Date: Thu, 1 Nov 2007 09:19:52 -0700 User-Agent: KMail/1.9.7 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711010919.53057.sfking@fdwdc.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1337 Lines: 31 On Thursday 01 November 2007 7:47:24 Alan Stern wrote: > On Wed, 31 Oct 2007, Steven King wrote: > > My TI eZ430 (MSP-FET430UIF JTAG Tool) usb dongle works fine with > > 2.6.23.1 and earlier, but doesn't work with 2.6.24-rc1; the > > ti_usb_3410_5052 module is loaded but the device descriptor is bogus, > > reporting only a single configuration, whereas in 2.6.23.1 it reports 2 > > configurations, allowing one to select the second configuration to get a > > serial port. > > > > git bisect fingered this commit: > > > > 063a2da8f01806906f7d7b1a1424b9afddebc443 "USB: serial core should respect > > driver requirements" > > Are you certain about this? That commit could not possibly have > changed the way the USB core evaluates the device or configuration > descriptors. In fact, the commit affects only code in the usb-serial > driver, which doesn't get loaded until well after the descriptors have > been parsed. 100% certain. After bisecting it, I reversed that commit on an otherwise stock -rc1 and the device started working again. -- Steven King -- sfking at fdwdc dot com - 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/