sparc64: Properly claim resources as each PCI bus is probed.
Perform a pci_claim_resource() on all valid resources discovered
during the OF device tree scan.
Based almost entirely upon the PCI OF bus probing code which does
the same thing there.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index cc4c31e..b36365f 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -617,6 +617,36 @@
pci_bus_register_of_sysfs(child_bus);
}
+static void pci_claim_bus_resources(struct pci_bus *bus)
+{
+ struct pci_bus *child_bus;
+ struct pci_dev *dev;
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ int i;
+
+ for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+ struct resource *r = &dev->resource[i];
+
+ if (r->parent || !r->start || !r->flags)
+ continue;
+
+ if (ofpci_verbose)
+ printk("PCI: Claiming %s: "
+ "Resource %d: %016llx..%016llx [%x]\n",
+ pci_name(dev), i,
+ (unsigned long long)r->start,
+ (unsigned long long)r->end,
+ (unsigned int)r->flags);
+
+ pci_claim_resource(dev, i);
+ }
+ }
+
+ list_for_each_entry(child_bus, &bus->children, node)
+ pci_claim_bus_resources(child_bus);
+}
+
struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm,
struct device *parent)
{
@@ -647,6 +677,8 @@
pci_bus_add_devices(bus);
pci_bus_register_of_sysfs(bus);
+ pci_claim_bus_resources(bus);
+
return bus;
}