Merge branch 'master' into upstream

[powerpc.git] / arch / sparc64 / kernel / pci_sun4v.c

diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index b63b283..03ad4c0 100644 (file)
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -814,8 +814,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
        pci_fixup_host_bridge_self(pbm->pci_bus);
        pbm->pci_bus->self->sysdata = cookie;
 #endif
-       pci_fill_in_pbm_cookies(pbm->pci_bus, pbm,
-                               pbm->prom_node->node);
+       pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
        pci_record_assignments(pbm, pbm->pci_bus);
        pci_assign_unassigned(pbm, pbm->pci_bus);
        pci_fixup_irq(pbm, pbm->pci_bus);
@@ -844,15 +843,6 @@ static void pci_sun4v_scan_bus(struct pci_controller_info *p)
        /* XXX register error interrupt handlers XXX */
 }
 
-static unsigned int pci_sun4v_irq_build(struct pci_pbm_info *pbm,
-                                       struct pci_dev *pdev,
-                                       unsigned int devino)
-{
-       u32 devhandle = pbm->devhandle;
-
-       return sun4v_build_irq(devhandle, devino);
-}
-
 static void pci_sun4v_base_address_update(struct pci_dev *pdev, int resource)
 {
        struct pcidev_cookie *pcp = pdev->sysdata;
@@ -988,8 +978,13 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm,
                                             HV_PCI_TSBID(0, i),
                                             &io_attrs, &ra);
                if (ret == HV_EOK) {
-                       cnt++;
-                       __set_bit(i, arena->map);
+                       if (page_in_phys_avail(ra)) {
+                               pci_sun4v_iommu_demap(devhandle,
+                                                     HV_PCI_TSBID(0, i), 1);
+                       } else {
+                               cnt++;
+                               __set_bit(i, arena->map);
+                       }
                }
        }
 
@@ -1062,9 +1057,9 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
        iommu->arena.limit = num_tsb_entries;
 
        sz = probe_existing_entries(pbm, iommu);
-
-       printk("%s: TSB entries [%lu], existing mapings [%lu]\n",
-              pbm->name, num_tsb_entries, sz);
+       if (sz)
+               printk("%s: Imported %lu TSB entries from OBP\n",
+                      pbm->name, sz);
 }
 
 static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm)
@@ -1196,7 +1191,6 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)
        p->pbms_same_domain = 0;
 
        p->scan_bus = pci_sun4v_scan_bus;
-       p->irq_build = pci_sun4v_irq_build;
        p->base_address_update = pci_sun4v_base_address_update;
        p->resource_adjust = pci_sun4v_resource_adjust;
        p->pci_ops = &pci_sun4v_ops;