USB_MAXCHILDREN 244 include/uapi/linux/usb/ch11.h __u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8]; USB_MAXCHILDREN 245 include/uapi/linux/usb/ch11.h __u8 PortPwrCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8];