On Tue, Jan 28, 2025 at 05:07:39PM -0500, Frank Li wrote: > Most systems' PCIe outbound map windows have non-zero physical addresses, > but the possibility of encountering zero increased with commit > 700cafbb642b ("PCI: dwc: ep: Add bus_addr_base for outbound window"). I don't know what commit 700cafbb642b is. It doesn't appear upstream, and there's no subject line or patch match for bus_addr_base. Bjorn