>Sent: Monday, January 19, 2009 11:11 AM >To: linux-usb >Subject: HCD_USB2 flag, ehci host controller, no FS/LS support > >Hello, > >We are working with a host controller on a PowerPC embedded board. It is >an EHCI host controller. However, there are no UHCI/OHCI host >controllers on the board. Therefore, if a FS/LS device plugs onto the What does the HCSPARAMS capability register read on your hardware? What is the value of N_CC? If this is non-zero, you know where the problem lies. >board, Linux will try to hand the port to a companion controller, which >is not there, and this causes the EHCI host controller die (or maybe the >port is marked dead?), and unplug the device causes no "disconnect" >report. The host controller also does not respond to further plug in of >a HS device. > -- 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
