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MIPS/PCI: Implement pcibios_get_phb_of_node 

The of_node field of the device assigned to a
PCI bus is used during scanning of the PCI bus.
However on MIPS, the of_node field is assigned
only after the bus has been scanned.

Implement the architecture specific version of
'pcibios_get_phb_of_node'. Which ensures that the
PCI driver core will initialize the of_node field
before starting the scan.

Also remove the local assignment of bus->dev.of_node,
it is not needed after the patch.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Gabor Juhos 2013-04-04 20:01:23 +02:00 committed by Bjorn Helgaas
parent 10629d711e
commit 9a97cd43f4
1 changed files with 7 additions and 1 deletions
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8
arch/mips/pci/pci.c
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@ -115,7 +115,6 @@ static void pcibios_scanbus(struct pci_controller *hose)
pci_bus_assign_resources(bus);
pci_enable_bridges(bus);
}
bus->dev.of_node = hose->of_node;
}
}
@ -169,6 +168,13 @@ void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node)
}
}
}
struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus)
{
struct pci_controller *hose = bus->sysdata;
return of_node_get(hose->of_node);
}
#endif
static DEFINE_MUTEX(pci_scan_mutex);