Re: USB ohci vs ehci
From: Robert Hancock
Date: Mon Jun 27 2005 - 19:08:58 EST
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..
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@xxxxxxxxxxxxx
Home Page: http://www.roberthancock.com/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/