Orin C7 PCIe EP set Ethernet Interface over PCIe msi interrupt error

I used orin C7 for PCIe EP, ref Bringing up an Ethernet Interface over PCIe, but when execut cmd “echo 16 > functions/pci_epf_tvnet/func1/msi_interrupts”, it generate error :
[ 131.737274] pci_epf_tvnet pci_epf_tvnet.0: failed to get ctrl syncpt irq: -22
[ 131.744716] pci_epf_tvnet pci_epf_tvnet.0: irqsp setup failed: -22
I think this number 16 if for C5, but which number is for C7?

please check if nvidia,host1x = <&host1x>; is missing in pcie_ep@141e0000

16 is not kind of magic number. It is up to use case as how many we want to use.

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