Jetson AGX Xavier Pcie C5 can not work

Hi nvidia team:
In kernel dts file the pcie C5 node has been eanbled, when kernel start pcie probe error, the fault msg is fallow:

what should i do to make pcie c5 work?
Looking forward to your reply.

Are you using the stock L4T release? Such errors are not expected with stock releases. If you have made any modifications, let us know what those modifications are.