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PCI: Remove local variable usage in pci_bus_distribute_available_resources() 

In pci_bus_distribute_available_resources(), use resource_size() rather
than the local available_io, etc.  No functional change intended; this just
makes the preceding patch smaller.

[bhelgaas: extracted from https://lore.kernel.org/r/PSXP216MB0438587C47CBEDF365B1EA27803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM]
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Nicholas Johnson 2020-01-28 15:57:09 -06:00 committed by Bjorn Helgaas
parent d555a50fd6
commit 7779385484
1 changed files with 6 additions and 10 deletions
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16
drivers/pci/setup-bus.c
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@ -1886,14 +1886,10 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
* calculated in __pci_bus_size_bridges() which covers all the
* devices currently connected to the port and below.
*/
available_io = resource_size(&io);
available_mmio = resource_size(&mmio);
available_mmio_pref = resource_size(&mmio_pref);
extend_bridge_window(bridge, io_res, add_list, available_io);
extend_bridge_window(bridge, mmio_res, add_list, available_mmio);
extend_bridge_window(bridge, io_res, add_list, resource_size(&io));
extend_bridge_window(bridge, mmio_res, add_list, resource_size(&mmio));
extend_bridge_window(bridge, mmio_pref_res, add_list,
available_mmio_pref);
resource_size(&mmio_pref));
/*
* Calculate how many hotplug bridges and normal bridges there
@ -1929,9 +1925,9 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
* extra space reduced by the minimal required space for the
* non-hotplug bridges.
*/
remaining_io = available_io;
remaining_mmio = available_mmio;
remaining_mmio_pref = available_mmio_pref;
remaining_io = available_io = resource_size(&io);
remaining_mmio = available_mmio = resource_size(&mmio);
remaining_mmio_pref = available_mmio_pref = resource_size(&mmio_pref);
for_each_pci_bridge(dev, bus) {
const struct resource *res;