USBCMD_RS
hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
(usbcmd & USBCMD_RS) ? "RS " : "");
if ((cmd & USBCMD_RS) || !(cmd & USBCMD_CF) || !(cmd & USBCMD_EGSM)) {
uhci_writew(uhci, USBCMD_RS | USBCMD_CF | USBCMD_MAXP, USBCMD);