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Re: no power on USB on linux 2.6?

To: Thomas Sattler <tsattler@gmx.de>
Subject: Re: no power on USB on linux 2.6?
From: Bruno Randolf <bruno.randolf@4g-systems.biz>
Date: Wed, 15 Jun 2005 15:57:12 +0200
Cc: linux-mips@linux-mips.org
In-reply-to: <20050615134607.GA19510@nancy.sattler.local>
Organization: 4G Systems
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20050615134607.GA19510@nancy.sattler.local>
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hi thomas!

i think the problem is that in arch/mips/au1000/mtx-1/board_setup.c the power 
switch for USB is turned on if CONFIG_USB_OHCI is defined. this seems to have 
changed to CONFIG_USB_OHCI_HCD.

bruno


On Wednesday 15 June 2005 15:46, you wrote:
> Hi there ...
>
> My name is Thomas I'm trying to use an USB-headset on a meshcube, a MIPS
> based embedded device (http://meshcube.org/meshwiki/). If I plug in the
> headset while running 2.4.27 a led on the headset turns on. If I do the
> same with 2.6.12-rc6 (latest MIPS CVS) nothing happens. I also tried an
> optical USB-mouse with the same result. All these tests are done with
> Debian GNU/Linux Sarge 3.1 on NFS-root.
>
> My kernelconfig is:
>   $ sed '/^#/d;/USB/!d' .config
>   CONFIG_SND_USB_AUDIO=m
>   CONFIG_USB=y
>   CONFIG_USB_DEBUG=y
>   CONFIG_USB_DEVICEFS=y
>   CONFIG_USB_ARCH_HAS_HCD=y
>   CONFIG_USB_ARCH_HAS_OHCI=y
>   CONFIG_USB_EHCI_HCD=m
>   CONFIG_USB_OHCI_HCD=y
>   CONFIG_USB_HID=y
>   CONFIG_USB_HIDINPUT=y
>
> kernel boot messages are:
>   usbcore: registered new driver usbfs
>   usbcore: registered new driver hub
>     [...]
>   au1xxx-ohci au1xxx-ohci.0: Au1xxx OHCI
>   au1xxx-ohci au1xxx-ohci.0: new USB bus registered, assigned bus number 1
>   au1xxx-ohci au1xxx-ohci.0: irq 26, io mem 0x10100000
>   usb usb1: Product: Au1xxx OHCI
>   usb usb1: Manufacturer: Linux 2.6.12-rc6 ohci_hcd
>   usb usb1: SerialNumber: Au1xxx
>   hub 1-0:1.0: USB hub found
>   hub 1-0:1.0: 2 ports detected
>   USB Universal Host Controller Interface driver v2.2
>   sl811: driver sl811-hcd, 19 May 2005
>
> FYI 2.4.27 messages:
>   usb.c: registered new driver usbdevfs
>   usb.c: registered new driver hub
>   host/usb-ohci.c: USB OHCI at membase 0xb0100000, IRQ 26
>   host/usb-ohci.c: usb-builtin, non-PCI OHCI
>   usb.c: new USB bus registered, assigned bus number 1
>   hub.c: USB hub found
>   hub.c: 2 ports detected
>
> hotplug (initscripts) report:
>   Starting hotplug subsystem:
>      pci
>      pci      [success]
>      usb
>      usb      [success]
>      isapnp
>      isapnp   [success]
>      ide
>      ide      [success]
>      input
>      input    [success]
>      scsi
>      scsi     [success]
>   done.
>
> the proc-filesystem tells:
>   $ cat /proc/bus/usb/devices
>   T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
>   B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
>   D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
>   P:  Vendor=0000 ProdID=0000 Rev= 2.06
>   S:  Manufacturer=Linux 2.6.11 ohci_hcd
>   S:  Product=Au1xxx OHCI
>   S:  SerialNumber=au1xxx
>   C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA
>   I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
>   E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
>
> As far as I can see USB drivers are working correctly, hardware is
> detected but the USB is not working. Any hints?
>
> TIA
> Thomas

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