Hi, On 09/23/2013 07:26 AM, Kumar Gaurav wrote: > Hi Alan, > I have one question just for knowledge. I was looking for the reason of this > bug but wasn't even able to identify which driver (ehci,xhci etc) these > devices are using. I tried inspecting with my USB mouse and found out it was > ehci (i believe it depends on devices). >>> My configuration files are almost similar between 3.10 and 3.11... >>> Attached 2 "lsusb -v" files, 1 that works, the other doesn't. >>> >>> I use debian wheezy with LUKS. >>> >>> Thank you, best regards >>> >>> Note: Same problem with the kernel 3.12rc1. >> It looks like your system did not load the ohci-pci driver. Is >> CONFIG_USB_OHCI_HCD_PCI enabled? > how did you identified it was using ohci? > Please reply.
Because almost all keyboards/mice are full speed devices and will need the OHCI controller to handle them, unless they are connected via an external high speed hub that does Transaction Translation (TT). cheers, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
