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authorRob Herring <robh@kernel.org>2020-08-20 21:53:54 -0600
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-09-08 16:37:02 +0100
commit6e8e104d21962177b26149643e66a8af0099734c (patch)
treebfa0295923890f4156193276ac2ea545c9dde907 /drivers/pci/probe.c
parentc2b0c098fbd15da06f5c6c70ecc9b156fdc0eedd (diff)
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>
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0c9ebc72532e..d8bf3fe8dacd 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -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);