From: Jean-Philippe Brucker jean-philippe.brucker@arm.com
[ Upstream commit 59b099a6c75e4ddceeaf9676422d8d91d0049755 ]
For PCI devices that have an OF node, set the fwnode as well. This way drivers that rely on fwnode don't need the special case described by commit f94277af03ea ("of/platform: Initialise dev->fwnode appropriately").
Acked-by: Bjorn Helgaas bhelgaas@google.com Signed-off-by: Jean-Philippe Brucker jean-philippe.brucker@arm.com Signed-off-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pci/of.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 73d5adec0a28..bc7b27a28795 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -22,12 +22,15 @@ void pci_set_of_node(struct pci_dev *dev) return; dev->dev.of_node = of_pci_find_child_device(dev->bus->dev.of_node, dev->devfn); + if (dev->dev.of_node) + dev->dev.fwnode = &dev->dev.of_node->fwnode; }
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; }
void pci_set_bus_of_node(struct pci_bus *bus) @@ -41,13 +44,18 @@ void pci_set_bus_of_node(struct pci_bus *bus) if (node && of_property_read_bool(node, "external-facing")) bus->self->untrusted = true; } + bus->dev.of_node = node; + + if (bus->dev.of_node) + bus->dev.fwnode = &bus->dev.of_node->fwnode; }
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; }
struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus)