Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756205AbYGCMBe (ORCPT ); Thu, 3 Jul 2008 08:01:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755634AbYGCMAJ (ORCPT ); Thu, 3 Jul 2008 08:00:09 -0400 Received: from smtp-out003.kontent.com ([81.88.40.217]:53079 "EHLO smtp-out003.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753854AbYGCMAF (ORCPT ); Thu, 3 Jul 2008 08:00:05 -0400 From: Oliver Neukum Organization: NOvell To: Adam Williamson Subject: Re: [Bug #10868] Oops on loading ipaq module since 2.6.26, prevents use of device Date: Thu, 3 Jul 2008 10:05:57 +0200 User-Agent: KMail/1.9.9 Cc: Alan Cox , Adrian Bunk , Arjan van de Ven , "Rafael J. Wysocki" , Linux Kernel Mailing List , Alan Cox , bugme-daemon@bugzilla.kernel.org, Greg KH , linux-usb@vger.kernel.org References: <200807022333.25275.oliver@neukum.org> <1215034900.6054.204.camel@lenovo.local.net> In-Reply-To: <1215034900.6054.204.camel@lenovo.local.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200807031005.59691.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1695 Lines: 47 Am Mittwoch 02 Juli 2008 23:41:40 schrieb Adam Williamson: > On Wed, 2008-07-02 at 23:33 +0200, Oliver Neukum wrote: > > > This is odd. Your device shows one interface with one endpoint bulk and > > bulk out respectively. Yet two ports are created. Odd. > > OK. If you mean /dev/ttyUSB0 and /dev/ttyUSB1 are always both created > when the device is plugged in - yep. This is the case in the working Now this is very hard to explain. From the code in 2.6.25 it is clear that only ttyUSB0 will be created. Please verify that indeed you get ttyUSB0 and ttyUSB1 with the kernel working for you. > kernel too. From what I've seen in howtos and the like, this seems to be > the case for most such devices. Well, let me know what else you need > from me. :) As far as I can tell somebody changed the ipaq driver in 2.6.26-rc6. I cannot find the exact patch that did it in Greg's directory. As it causes a regression here's a reversal. Regards Oliver Signed-off-by: Oliver Neukum --- --- linux-2.6.26-greg/drivers/usb/serial/ipaq.alt.c 2008-07-03 09:01:37.000000000 +0200 +++ linux-2.6.26-greg/drivers/usb/serial/ipaq.c 2008-07-03 09:01:47.000000000 +0200 @@ -570,7 +570,7 @@ static struct usb_serial_driver ipaq_dev .description = "PocketPC PDA", .usb_driver = &ipaq_driver, .id_table = ipaq_id_table, - .num_ports = 2, + .num_ports = 1, .open = ipaq_open, .close = ipaq_close, .attach = ipaq_startup, -- 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/