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PCI: of: Propagate firmware node by calling device_set_node() 

Insulate pci_set_of_node() and pci_set_bus_of_node() from possible
changes to fwnode_handle implementation by using device_set_node()
instead of open-coding dev->dev.fwnode assignments.

Link: https://lore.kernel.org/r/20230421100939.68225-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Andy Shevchenko 2023-04-21 13:09:39 +03:00 committed by Bjorn Helgaas
parent 0b3dee602a
commit c6f54cf44c
1 changed files with 4 additions and 10 deletions
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14
drivers/pci/of.c
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@ -39,16 +39,14 @@ int pci_set_of_node(struct pci_dev *dev)
return -ENODEV;
}
dev->dev.of_node = node;
dev->dev.fwnode = &node->fwnode;
device_set_node(&dev->dev, of_fwnode_handle(node));
return 0;
}
void pci_release_of_node(struct pci_dev *dev)
{
of_node_put(dev->dev.of_node);
dev->dev.of_node = NULL;
dev->dev.fwnode = NULL;
device_set_node(&dev->dev, NULL);
}
void pci_set_bus_of_node(struct pci_bus *bus)
@ -63,17 +61,13 @@ void pci_set_bus_of_node(struct pci_bus *bus)
bus->self->external_facing = true;
}
bus->dev.of_node = node;
if (bus->dev.of_node)
bus->dev.fwnode = &bus->dev.of_node->fwnode;
device_set_node(&bus->dev, of_fwnode_handle(node));
}
void pci_release_bus_of_node(struct pci_bus *bus)
{
of_node_put(bus->dev.of_node);
bus->dev.of_node = NULL;
bus->dev.fwnode = NULL;
device_set_node(&bus->dev, NULL);
}
struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus)