On 22-01-31 08:44:52, Dan Williams wrote: > Add a helper for converting a PCI enumerated cxl_port into the pci_bus > that hosts its dports. For switch ports this is trivial, but for root > ports there is no generic way to go from a platform defined host bridge > device, like ACPI0016 to its corresponding pci_bus. Rather than spill > ACPI goop outside of the cxl_acpi driver, just arrange for it to > register an xarray translation from the uport device to the > corresponding pci_bus. > > This is in preparation for centralizing dport enumeration in the core. > > Reviewed-by: Jonathan Cameron <[email protected]> > Signed-off-by: Dan Williams <[email protected]> Reviewed-by: Ben Widawsky <[email protected]>
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