Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261851AbUK2Wnb (ORCPT ); Mon, 29 Nov 2004 17:43:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261853AbUK2WlK (ORCPT ); Mon, 29 Nov 2004 17:41:10 -0500 Received: from colino.net ([213.41.131.56]:38903 "EHLO paperstreet.colino.net") by vger.kernel.org with ESMTP id S261851AbUK2WgZ (ORCPT ); Mon, 29 Nov 2004 17:36:25 -0500 Date: Mon, 29 Nov 2004 23:34:35 +0100 From: Colin Leroy To: Benjamin Herrenschmidt Cc: David Brownell , Linux-USB , Colin Leroy , Linux Kernel list , Greg KH , Andrew Morton Subject: Re: [linux-usb-devel] [PATCH] Ohci-hcd: fix endless loop (second take) Message-ID: <20041129233435.4e0d125c@jack.colino.net> In-Reply-To: <1101767183.15463.17.camel@gaston> References: <20041126113021.135e79df@pirandello> <200411260928.18135.david-b@pacbell.net> <20041126183749.1a230af9@jack.colino.net> <200411260957.52971.david-b@pacbell.net> <1101507130.28047.29.camel@gaston> <20041129090406.5fb31933@pirandello> <1101767183.15463.17.camel@gaston> X-Mailer: Sylpheed-Claws 0.9.12cvs176.1 (GTK+ 2.4.9; powerpc-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2608 Lines: 75 On 30 Nov 2004 at 09h11, Benjamin Herrenschmidt wrote: Hi, > Hrm... there is some problem in communication here. I asked you which > controller out of the 3 OHCIs you have in this machine is the culprit, > you give me a list of all of them but without PCI IDs ... From the > archive, I think it was USB bus #4 no ? not sure which of these > controllers it matches. > > The iBook G4 has actually 3 "Apple" OHCI's in KeyLargo/Intrepid but > with 2 of them disabled by the firmware (not wired) plus one NEC USB2 > controller (which contains 1 EHCI and 2 OHCIs) on the PCI bus. The > code managing their sleep process is very different. Sorry, i was away and had a problem of /proc/bus/usb being empty. As my link was on the wireless stick I couldn't reload usb modules. The culprit is usb 4-1, I think it would be this one (as the stick is bus 004 device 001): Bus 004 Device 001: ID 0000:0000 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 10.01 bDeviceClass 9 Hub bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x0000 idProduct 0x0000 bcdDevice 6.02 iManufacturer 3 Linux 2.6.9 ohci_hcd iProduct 2 NEC Corporation USB (#2) iSerial 1 0001:10:1b.1 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type none wMaxPacketSize 2 bInterval 255 Language IDs: (length=4) 0409 English(US) -- Colin - 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/