USBSTS_REG_HOST_SYS_ERR
((intr_status & USBSTS_REG_HOST_SYS_ERR) == 0)) {
if ((intr_status & USBSTS_REG_HOST_SYS_ERR)) {
USBSTS_REG_HC_PROCESS_ERR | USBSTS_REG_HOST_SYS_ERR |
case USBSTS_REG_HOST_SYS_ERR: