On pseries and PowerNV pcibios_bus_add_device() calls eeh_add_device_late()
so there's no need to do a separate tree traversal to bind the eeh_dev and
pci_dev together setting up the PHB at boot. As a result we can remove
eeh_add_device_tree_late().
Reviewed-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200306073904.4737-2-oohall@gmail.com
void eeh_add_device_early(struct pci_dn *);
void eeh_add_device_tree_early(struct pci_dn *);
void eeh_add_device_late(struct pci_dev *);
-void eeh_add_device_tree_late(struct pci_bus *);
void eeh_remove_device(struct pci_dev *);
int eeh_unfreeze_pe(struct eeh_pe *pe);
int eeh_pe_reset_and_recover(struct eeh_pe *pe);
static inline void eeh_add_device_late(struct pci_dev *dev) { }
-static inline void eeh_add_device_tree_late(struct pci_bus *bus) { }
-
static inline void eeh_remove_device(struct pci_dev *dev) { }
#define EEH_POSSIBLE_ERROR(val, type) (0)
eeh_sysfs_add_device(dev);
}
-/**
- * eeh_add_device_tree_late - Perform EEH initialization for the indicated PCI bus
- * @bus: PCI bus
- *
- * This routine must be used to perform EEH initialization for PCI
- * devices which are attached to the indicated PCI bus. The PCI bus
- * is added after system boot through hotplug or dlpar.
- */
-void eeh_add_device_tree_late(struct pci_bus *bus)
-{
- struct pci_dev *dev;
-
- if (eeh_has_flag(EEH_FORCE_DISABLED))
- return;
- list_for_each_entry(dev, &bus->devices, bus_list) {
- eeh_add_device_late(dev);
- if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
- struct pci_bus *subbus = dev->subordinate;
- if (subbus)
- eeh_add_device_tree_late(subbus);
- }
- }
-}
-EXPORT_SYMBOL_GPL(eeh_add_device_tree_late);
-
/**
* eeh_remove_device - Undo EEH setup for the indicated pci device
* @dev: pci device to be removed
*/
pcibios_claim_one_bus(phb->bus);
- /* Finish EEH setup */
- eeh_add_device_tree_late(phb->bus);
-
/* Add probed PCI devices to the device model */
pci_bus_add_devices(phb->bus);
pci_assign_unassigned_bus_resources(bus);
}
- /* Fixup EEH */
- eeh_add_device_tree_late(bus);
-
/* Add new devices to global lists. Register in proc, sysfs. */
pci_bus_add_devices(bus);
}