Is the SSD here connected to M.2 Key-M slot or CEM slot i.e. x16 slot?
If it is connected to M.2 Key-M slot, then make the below modifications in pcie@14180000 DT node or else in pcie@141a0000 node.
- Try setting maximum speed to Gen-1 by setting “nvidia,max-speed = <1>”
- Try limiting the link width to only x1 by setting num-lanes = <1>;
- Try adding nvidia,disable-clock-request;