On Mon, 25 Jul 2011, Felipe Balbi wrote: > Hi, > > On Mon, Jul 25, 2011 at 07:04:44PM +0200, Jose Alberto Reguero wrote: > > Is there a way to limit ehci to Full speed(12 MB), or to disable the load of > > ehci when compiled in kernel? Notice: ^^^^^^^^^^^^^^^^^^ > > EHCI only handles High Speed, Full and low speeds are handled by OHCI. > So if you remove ehci (modprobe -r ehci_hcd), it will always work on > full/low speed :-) If ehci-hcd is compiled into the kernel, you cannot remove it. However, you can unbind ehci-hcd from the controllers. Go into /sys/bus/pci/drivers/ehci_hcd, and for each of the symbolic device links there, write the name to the "unbind" file. For example: echo 0000:00:1d.7 >unbind Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html