USB4_SB_OPCODE
{ USB4_SB_OPCODE, 4 },
{ USB4_SB_OPCODE, 4 },
ret = usb4_port_sb_write(port, target, index, USB4_SB_OPCODE, &val,
ret = usb4_port_sb_read(port, target, index, USB4_SB_OPCODE,
USB4_SB_OPCODE, &val, sizeof(val));
USB4_SB_OPCODE, &val, sizeof(val));
USB4_SB_OPCODE, &val, sizeof(val));
USB4_SB_OPCODE, &val, sizeof(val));