PCI: replace struct pci_bus secondary/subordinate with busn_res

Replace the struct pci_bus secondary/subordinate members with the
struct resource busn_res.  Later we'll build a resource tree of these
bus numbers.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

5 files changed, 10 insertions, 10 deletions

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 8e78e93c8185..3532b535698a 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1646,7 +1646,7 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
                 pci_free_resource_list(&resources);
                 return;
         }
-        bus->secondary = hose->first_busno;
+        bus->busn_res.start = hose->first_busno;
         hose->bus = bus;
 
         /* Get probe mode and perform scan */
@@ -1655,12 +1655,12 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
                 mode = ppc_md.pci_probe_mode(bus);
         pr_debug("    probe mode: %d\n", mode);
         if (mode == PCI_PROBE_DEVTREE) {
-                bus->subordinate = hose->last_busno;
+                bus->busn_res.end = hose->last_busno;
                 of_scan_bus(node, bus);
         }
 
         if (mode == PCI_PROBE_NORMAL)
-                hose->last_busno = bus->subordinate = pci_scan_child_bus(bus);
+                hose->last_busno = bus->busn_res.end = pci_scan_child_bus(bus);
 
         /* Platform gets a chance to do some global fixups before
          * we proceed to resource allocation
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 94a54f61d341..4ff190ff24a0 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -236,7 +236,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
 
         for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) {
                 bus = pci_bus_b(ln);
-                if (in_bus >= bus->number && in_bus <= bus->subordinate)
+                if (in_bus >= bus->number && in_bus <= bus->busn_res.end)
                         break;
                 bus = NULL;
         }
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 89dde171a6fa..a36281aa98f3 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -240,7 +240,7 @@ void __devinit of_scan_pci_bridge(struct pci_dev *dev)
         }
 
         bus->primary = dev->bus->number;
-        bus->subordinate = busrange[1];
+        bus->busn_res.end = busrange[1];
         bus->bridge_ctl = 0;
 
         /* parse ranges property */
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index fbdd74dac3ac..9cda6a1ad0cf 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -589,7 +589,7 @@ static int __devinit pnv_ioda_configure_pe(struct pnv_phb *phb,
                 dcomp = OPAL_IGNORE_RID_DEVICE_NUMBER;
                 fcomp = OPAL_IGNORE_RID_FUNCTION_NUMBER;
                 parent = pe->pbus->self;
-                count = pe->pbus->subordinate - pe->pbus->secondary + 1;
+                count = pe->pbus->busn_res.end - pe->pbus->busn_res.start + 1;
                 switch(count) {
                 case  1: bcomp = OpalPciBusAll;         break;
                 case  2: bcomp = OpalPciBus7Bits;       break;
@@ -816,11 +816,11 @@ static void __devinit pnv_ioda_setup_bus_PE(struct pci_dev *dev,
         pe->pdev = NULL;
         pe->tce32_seg = -1;
         pe->mve_number = -1;
-        pe->rid = bus->secondary << 8;
+        pe->rid = bus->busn_res.start << 8;
         pe->dma_weight = 0;
 
-        pe_info(pe, "Secondary busses %d..%d associated with PE\n",
-                bus->secondary, bus->subordinate);
+        pe_info(pe, "Secondary busses %pR associated with PE\n",
+                &bus->busn_res);
 
         if (pnv_ioda_configure_pe(phb, pe)) {
                 /* XXX What do we do here ? */
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 8b7bafa489c2..3ccebc83dc02 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -121,7 +121,7 @@ void pcibios_add_pci_devices(struct pci_bus * bus)
                 if (!num)
                         return;
                 pcibios_setup_bus_devices(bus);
-                max = bus->secondary;
+                max = bus->busn_res.start;
                 for (pass=0; pass < 2; pass++)
                         list_for_each_entry(dev, &bus->devices, bus_list) {
                         if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||