[PATCH 16/21] Replace pci_dn with eeh_dev for EEH address cache

With original EEH implementation, struct pci_dn is used while building PCI I/O address cache, which helps on searching the corresponding PCI device according to the given physical I/O address. Besides, pci_dn is associated with the corresponding PCI device while building its I/O cache. The patch r

[PATCH 16/21] Replace pci_dn with eeh_dev for EEH address cache

With original EEH implementation, struct pci_dn is used while building PCI I/O address cache, which helps on searching the corresponding PCI device according to the given physical I/O address. Besides, pci_dn is associated with the corresponding PCI device while building its I/O cache. The patch r