[SPARC64] PCI: Use root list of pbm's instead of pci_controller_info's

[powerpc.git] / arch / sparc64 / kernel / pci_fire.c

diff --git a/arch/sparc64/kernel/pci_fire.c b/arch/sparc64/kernel/pci_fire.c
index 79ee5be..f55c08a 100644 (file)
--- a/arch/sparc64/kernel/pci_fire.c
+++ b/arch/sparc64/kernel/pci_fire.c
@@ -160,21 +160,9 @@ static struct pci_ops pci_fire_ops = {
        .write  =       fire_write_pci_cfg,
 };
 
-static void pbm_scan_bus(struct pci_controller_info *p,
-                        struct pci_pbm_info *pbm)
+static void pci_fire_scan_bus(struct pci_pbm_info *pbm)
 {
        pbm->pci_bus = pci_scan_one_pbm(pbm);
-}
-
-static void pci_fire_scan_bus(struct pci_controller_info *p)
-{
-       struct device_node *dp;
-
-       if ((dp = p->pbm_A.prom_node) != NULL)
-               pbm_scan_bus(p, &p->pbm_A);
-
-       if ((dp = p->pbm_B.prom_node) != NULL)
-               pbm_scan_bus(p, &p->pbm_B);
 
        /* XXX register error interrupt handlers XXX */
 }
@@ -313,7 +301,7 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm)
 }
 
 static void pci_fire_pbm_init(struct pci_controller_info *p,
-                               struct device_node *dp, u32 portid)
+                             struct device_node *dp, u32 portid)
 {
        const struct linux_prom64_registers *regs;
        struct pci_pbm_info *pbm;
@@ -323,6 +311,11 @@ static void pci_fire_pbm_init(struct pci_controller_info *p,
        else
                pbm = &p->pbm_B;
 
+       pbm->next = pci_pbm_root;
+       pci_pbm_root = pbm;
+
+       pbm->scan_bus = pci_fire_scan_bus;
+
        pbm->portid = portid;
        pbm->parent = p;
        pbm->prom_node = dp;
@@ -354,19 +347,11 @@ void fire_pci_init(struct device_node *dp, const char *model_name)
        struct pci_controller_info *p;
        u32 portid = of_getintprop_default(dp, "portid", 0xff);
        struct iommu *iommu;
+       struct pci_pbm_info *pbm;
 
-       for (p = pci_controller_root; p; p = p->next) {
-               struct pci_pbm_info *pbm;
-
-               if (p->pbm_A.prom_node && p->pbm_B.prom_node)
-                       continue;
-
-               pbm = (p->pbm_A.prom_node ?
-                      &p->pbm_A :
-                      &p->pbm_B);
-
+       for (pbm = pci_pbm_root; pbm; pbm = pbm->next) {
                if (portid_compare(pbm->portid, portid)) {
-                       pci_fire_pbm_init(p, dp, portid);
+                       pci_fire_pbm_init(pbm->parent, dp, portid);
                        return;
                }
        }
@@ -387,12 +372,8 @@ void fire_pci_init(struct device_node *dp, const char *model_name)
 
        p->pbm_B.iommu = iommu;
 
-       p->next = pci_controller_root;
-       pci_controller_root = p;
-
        p->index = pci_num_controllers++;
 
-       p->scan_bus = pci_fire_scan_bus;
        /* XXX MSI support XXX */
        p->pci_ops = &pci_fire_ops;