These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / sparc / kernel / pci_common.c

diff --git a/kernel/arch/sparc/kernel/pci_common.c b/kernel/arch/sparc/kernel/pci_common.c
index 944a065..33524c1 100644 (file)
--- a/kernel/arch/sparc/kernel/pci_common.c
+++ b/kernel/arch/sparc/kernel/pci_common.c
@@ -406,6 +406,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
        }
 
        num_pbm_ranges = i / sizeof(*pbm_ranges);
+       memset(&pbm->mem64_space, 0, sizeof(struct resource));
 
        for (i = 0; i < num_pbm_ranges; i++) {
                const struct linux_prom_pci_ranges *pr = &pbm_ranges[i];
@@ -451,7 +452,12 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
                        break;
 
                case 3:
-                       /* XXX 64-bit MEM handling XXX */
+                       /* 64-bit MEM handling */
+                       pbm->mem64_space.start = a;
+                       pbm->mem64_space.end = a + size - 1UL;
+                       pbm->mem64_space.flags = IORESOURCE_MEM;
+                       saw_mem = 1;
+                       break;
 
                default:
                        break;
@@ -465,15 +471,22 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
                prom_halt();
        }
 
-       printk("%s: PCI IO[%llx] MEM[%llx]\n",
+       printk("%s: PCI IO[%llx] MEM[%llx]",
               pbm->name,
               pbm->io_space.start,
               pbm->mem_space.start);
+       if (pbm->mem64_space.flags)
+               printk(" MEM64[%llx]",
+                      pbm->mem64_space.start);
+       printk("\n");
 
        pbm->io_space.name = pbm->mem_space.name = pbm->name;
+       pbm->mem64_space.name = pbm->name;
 
        request_resource(&ioport_resource, &pbm->io_space);
        request_resource(&iomem_resource, &pbm->mem_space);
+       if (pbm->mem64_space.flags)
+               request_resource(&iomem_resource, &pbm->mem64_space);
 
        pci_register_legacy_regions(&pbm->io_space,
                                    &pbm->mem_space);