Re: What to do with all of the USB UHCI drivers in the kernel?

[Greg KH]

On Wed, May 22, 2002 at 03:35:48PM -0400, Andre Bonin wrote:
> >This is probably because you have an OHCI hardware device, not a UHCI
> >device.  What does 'lspci -v' say for your machine?
> 
> Sorry, i'me not too familiar with the USB architecture.  Anyway here is 
> the relevant lspci entries (note: I did this under my working 2.4.18)
> 
> 02:08.0 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
>         Subsystem: Unknown device 807d:0035
>         Flags: bus master, medium devsel, latency 32, IRQ 19
>         Memory at cd000000 (32-bit, non-prefetchable) [size=4K]
>         Capabilities: [40] Power Management version 2
> 
> 02:08.1 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
>         Subsystem: Unknown device 807d:0035
>         Flags: bus master, medium devsel, latency 32, IRQ 16
>         Memory at cc800000 (32-bit, non-prefetchable) [size=4K]
>         Capabilities: [40] Power Management version 2
> 
> 02:08.2 USB Controller: NEC Corporation USB 2.0 (rev 02) (prog-if 20 [EHCI])
>         Subsystem: Unknown device 807d:1043
>         Flags: bus master, medium devsel, latency 32, IRQ 17
>         Memory at cc000000 (32-bit, non-prefetchable) [size=256]
>         Capabilities: [40] Power Management version 2

You only have EHCI and OHCI hardware.  No wonder the UHCI drivers do not
work :)

> >And how does 2.5.17 work for you?
> 
> Not too good beacuse I don't have the option of enabling OHCI :)  Are we 
> still keeping it?

Yes, use the ohci-hcd driver.  Also you can use the ehci-hcd driver if
you have any USB 2.0 devices, as it looks like you have a USB 2.0
controller.

thanks,

greg k-h