PORT_CSC
#define PORT_CSC BIT(17)
#define PORT_CSC (1<<1) /* connect status change */
#define PORT_CSC (1<<1) /* connect status change */
#define PORT_CSC (1 << 17)
PORT_RESUME, PORT_PE, PORT_CSC, PORT_CONNECT,
#define PORT_CSC (1<<1) /* connect status change */