LimeSDR pcie two device not support?

I want to use multiple pcie devices.
LimeUtil --find (2pci-e device installed)

  • [LimeSDR-PCIe, media=PCI-E, module=PCIEXillybus, index=0]
    But Only 1 device find!

lspci -v
3a:00.0 PCI bridge: Intel Corporation Sky Lake-E PCI Express Root Port A (rev 04) (prog-if 00 [Normal decode])
Physical Slot: 1
Flags: bus master, fast devsel, latency 0, IRQ 30, NUMA node 0
Bus: primary=3a, secondary=3b, subordinate=3b, sec-latency=0
Prefetchable memory behind bridge: 00000000ab000000-00000000ab0fffff
Capabilities:
Kernel driver in use: pcieport

3b:00.0 Unassigned class [ff00]: Altera Corporation Device ebeb (rev 01)
Subsystem: Altera Corporation Device ebeb
Flags: bus master, fast devsel, latency 0, IRQ 103, NUMA node 0
Memory at ab000000 (64-bit, prefetchable) [size=128]
Capabilities:
Kernel driver in use: xillybus_pcie
Kernel modules: xillybus_pcie, altera_cvp

ae:00.0 PCI bridge: Intel Corporation Sky Lake-E PCI Express Root Port A (rev 04) (prog-if 00 [Normal decode])
Physical Slot: 4
Flags: bus master, fast devsel, latency 0, IRQ 32, NUMA node 1
Bus: primary=ae, secondary=af, subordinate=af, sec-latency=0
Prefetchable memory behind bridge: 00000000e1000000-00000000e10fffff
Capabilities:
Kernel driver in use: pcieport

af:00.0 Unassigned class [ff00]: Altera Corporation Device ebeb (rev 01)
Subsystem: Altera Corporation Device ebeb
Flags: fast devsel, IRQ 112, NUMA node 1
Memory at e1000000 (64-bit, prefetchable) [size=128]
Capabilities:
Kernel modules: xillybus_pcie, altera_cvp

Usb device is all finded!! (2pcie + 2usb but 1pcie not load device!!)
0:LimeSDR-USB, media=USB 3.0, module=FX3, addr=1d50:6108, serial=00090726074F…
1:LimeSDR-USB, media=USB 3.0, module=FX3, addr=1d50:6108, serial=000907060246…
2:LimeSDR-PCIe, media=PCI-E, module=PCIEXillybus, index=0