On Fri, Jan 03, 2025 at 03:31:28PM -0600, Bjorn Helgaas wrote:
> From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>
> of_pci_parse_bus_range() looks for a DT "bus-range" property. If none
> exists, devm_of_pci_get_host_bridge_resources() defaults to the [bus 00-ff]
> range supplied by its caller, pci_parse_request_of_pci_ranges().
>
> devm_of_pci_get_host_bridge_resources() is static and has no other callers,
> so there's no reason to complicate its interface by passing the default bus
> range.
>
> Drop the busno and bus_max parameters and use 0x0 and 0xff directly in
> devm_of_pci_get_host_bridge_resources().
Since we default this if the DT lacks "bus-range", is there any point
in repeating "bus-range = <0x00 0xff>;" in all the host bridge
descriptions?
> @@ -343,8 +340,8 @@ static int devm_of_pci_get_host_bridge_resources(struct device *dev,
>
> err = of_pci_parse_bus_range(dev_node, bus_range);
> if (err) {
> - bus_range->start = busno;
> - bus_range->end = bus_max;
> + bus_range->start = 0;
> + bus_range->end = 0xff;
> bus_range->flags = IORESOURCE_BUS;
> dev_info(dev, " No bus range found for %pOF, using %pR\n",
> dev_node, bus_range);
