pci_find_parent_resource (9) Linux Manual Page
pci_find_parent_resource – return resource region of parent bus of given region
Synopsis
struct resource *pci_find_parent_resource(const struct pci_dev *dev, struct resource *res);Arguments
dev
-
- PCI device structure contains resources to be searched
res
- child resource record for which parent is sought
Description
For given resource region of given device, return the resource region of parent bus the given region is contained in.