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The intent of the first part in PCI_RefinedAccessConfig() is to read Vendor ID register and detect presence of the device that way. Remove PCI_RefinedAccessConfig() (which was not named very helpfully to begin with) and replace the call with pci_bus_read_dev_vendor_id() + read config because it makes the logic more obvious at the caller side. Link: https://lore.kernel.org/r/20241022091140.3504-3-ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>