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ofw_pci: Fix probing

Authored by kd on Jun 30 2021, 10:01 AM.



phandle_t is a uint32_t type, <= 0 comparison doesn't work with it as intended.
This caused the ofw_pci code to attach to PCI bus on ACPI based systems.
Since 3eae4e106ac7 ofw subsystem can only return -1 for invalid nodes.
Use that.

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kd requested review of this revision.Jun 30 2021, 10:01 AM
kd created this revision.
This revision was not accepted when it landed; it landed in state Needs Review.Jul 1 2021, 6:36 PM
Closed by commit rG94287656264f: ofw_pci: fix probing for non-DT cases (authored by kd, committed by mw). · Explain Why
This revision was automatically updated to reflect the committed changes.