Re: USB ohci vs ehci

Robert Hancock
2005-06-28T00:05:47Z

Jim Ramsay wrote:
> I have an NEC-based 'UP215-N101' USB 2.0 PCI card which can apparently
> appear as a device under ohci-hcd or ehci-hcd, depending on which one
> is loaded. If both modules are loaded, the device doesn't seem to
> work, as it is detected by both

USB 2.0 controllers are supposed to be detected by both EHCI and either
OHCI or UHCI, since they support both interfaces. EHCI is only used for
USB 2.0 high-speed devices and OHCI or UHCI is used for other devices.

If the controller's not working, the problem will be something else..

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Robert Hancock Saskatoon, SK, Canada
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