Commit 6e8e104d authored Aug 20, 2020 by Rob Herring Committed by Lorenzo Pieralisi Sep 08, 2020

PCI: Also call .add_bus() callback for root bus

Similar to pcibios_add_bus(), call pci_ops.add_bus() when the root bus
is added. This allows host bridge drivers to do any setup requiring a
bus pointer.

There are currently no .add_bus() callbacks, so this is safe to do.

Link: https://lore.kernel.org/r/20200821035420.380495-15-robh@kernel.org


Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>

parent c2b0c098

drivers/pci/probe.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -941,6 +941,12 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)

		pcibios_add_bus(bus);

		if (bus->ops->add_bus) {
		err = bus->ops->add_bus(bus);
		if (WARN_ON(err < 0))
		dev_err(&bus->dev, "failed to add bus: %d\n", err);
		}

		/* Create legacy_io and legacy_mem files for this bus */
		pci_create_legacy_files(bus);

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