So that PCI devices hang down from bridges and root bridges down from the PCI host controller when calling devinfo.
Signed-off-by: Lucas Stach <[email protected]> --- drivers/pci/pci.c | 4 ++++ include/linux/pci.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 943d0e8..ba9d097 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -40,6 +40,7 @@ void register_pci_controller(struct pci_controller *hose) bus = pci_alloc_bus(); hose->bus = bus; + bus->parent = hose->parent; bus->host = hose; bus->ops = hose->pci_ops; bus->resource[PCI_BUS_RESOURCE_MEM] = hose->mem_resource; @@ -309,6 +310,7 @@ unsigned int pci_scan_bus(struct pci_bus *bus) dev->devfn = devfn; dev->vendor = l & 0xffff; dev->device = (l >> 16) & 0xffff; + dev->dev.parent = bus->parent; /* non-destructively determine if device can be a master: */ pci_read_config_byte(dev, PCI_COMMAND, &cmd); @@ -354,6 +356,8 @@ unsigned int pci_scan_bus(struct pci_bus *bus) bus->resource[PCI_BUS_RESOURCE_MEM_PREF]; child_bus->resource[PCI_BUS_RESOURCE_IO] = bus->resource[PCI_BUS_RESOURCE_IO]; + + child_bus->parent = &dev->dev; child_bus->number = bus_index++; list_add_tail(&child_bus->node, &bus->children); dev->subordinate = child_bus; diff --git a/include/linux/pci.h b/include/linux/pci.h index 932acf0..3d0e73b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -122,6 +122,7 @@ enum { }; struct pci_bus { struct pci_controller *host; /* associated host controller */ + struct device_d *parent; struct list_head node; /* node in list of buses */ struct list_head children; /* list of child buses */ struct list_head devices; /* list of devices on this bus */ @@ -158,6 +159,7 @@ extern struct pci_ops *pci_ops; */ struct pci_controller { struct pci_controller *next; + struct device_d *parent; struct pci_bus *bus; struct pci_ops *pci_ops; -- 1.9.3 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
