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-rw-r--r--drivers/pci/setup-bus.c62
1 files changed, 1 insertions, 61 deletions
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index dc6a30ee6edf..b4096598dbcb 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1768,10 +1768,7 @@ static void adjust_bridge_window(struct pci_dev *bridge, struct resource *res,
}
res->end = res->start + new_size - 1;
-
- /* If the resource is part of the add_list remove it now */
- if (add_list)
- remove_from_list(add_list, res);
+ remove_from_list(add_list, res);
}
static void pci_bus_distribute_available_resources(struct pci_bus *bus,
@@ -1926,8 +1923,6 @@ static void pci_bridge_distribute_available_resources(struct pci_dev *bridge,
if (!bridge->is_hotplug_bridge)
return;
- pci_dbg(bridge, "distributing available resources\n");
-
/* Take the initial extra resources from the hotplug port */
available_io = bridge->resource[PCI_BRIDGE_IO_WINDOW];
available_mmio = bridge->resource[PCI_BRIDGE_MEM_WINDOW];
@@ -1939,59 +1934,6 @@ static void pci_bridge_distribute_available_resources(struct pci_dev *bridge,
available_mmio_pref);
}
-static bool pci_bridge_resources_not_assigned(struct pci_dev *dev)
-{
- const struct resource *r;
-
- /*
- * Check the child device's resources and if they are not yet
- * assigned it means we are configuring them (not the boot
- * firmware) so we should be able to extend the upstream
- * bridge's (that's the hotplug downstream PCIe port) resources
- * in the same way we do with the normal hotplug case.
- */
- r = &dev->resource[PCI_BRIDGE_IO_WINDOW];
- if (!r->flags || !(r->flags & IORESOURCE_STARTALIGN))
- return false;
- r = &dev->resource[PCI_BRIDGE_MEM_WINDOW];
- if (!r->flags || !(r->flags & IORESOURCE_STARTALIGN))
- return false;
- r = &dev->resource[PCI_BRIDGE_PREF_MEM_WINDOW];
- if (!r->flags || !(r->flags & IORESOURCE_STARTALIGN))
- return false;
-
- return true;
-}
-
-static void pci_root_bus_distribute_available_resources(struct pci_bus *bus,
- struct list_head *add_list)
-{
- struct pci_dev *dev, *bridge = bus->self;
-
- for_each_pci_bridge(dev, bus) {
- struct pci_bus *b;
-
- b = dev->subordinate;
- if (!b)
- continue;
-
- /*
- * Need to check "bridge" here too because it is NULL
- * in case of root bus.
- */
- if (bridge && pci_bridge_resources_not_assigned(dev)) {
- pci_bridge_distribute_available_resources(bridge, add_list);
- /*
- * There is only PCIe upstream port on the bus
- * so we don't need to go futher.
- */
- return;
- }
-
- pci_root_bus_distribute_available_resources(b, add_list);
- }
-}
-
/*
* First try will not touch PCI bridge res.
* Second and later try will clear small leaf bridge res.
@@ -2031,8 +1973,6 @@ again:
*/
__pci_bus_size_bridges(bus, add_list);
- pci_root_bus_distribute_available_resources(bus, add_list);
-
/* Depth last, allocate resources and update the hardware. */
__pci_bus_assign_resources(bus, add_list, &fail_head);
if (add_list)