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Diffstat (limited to 'arch/sparc/kernel/pci.c')
-rw-r--r--arch/sparc/kernel/pci.c59
1 files changed, 51 insertions, 8 deletions
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 6f7251fd2eab..c928bc64b4ba 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1002,6 +1002,38 @@ static int __init pcibios_init(void)
subsys_initcall(pcibios_init);
#ifdef CONFIG_SYSFS
+
+#define SLOT_NAME_SIZE 11 /* Max decimal digits + null in u32 */
+
+static void pcie_bus_slot_names(struct pci_bus *pbus)
+{
+ struct pci_dev *pdev;
+ struct pci_bus *bus;
+
+ list_for_each_entry(pdev, &pbus->devices, bus_list) {
+ char name[SLOT_NAME_SIZE];
+ struct pci_slot *pci_slot;
+ const u32 *slot_num;
+ int len;
+
+ slot_num = of_get_property(pdev->dev.of_node,
+ "physical-slot#", &len);
+
+ if (slot_num == NULL || len != 4)
+ continue;
+
+ snprintf(name, sizeof(name), "%u", slot_num[0]);
+ pci_slot = pci_create_slot(pbus, slot_num[0], name, NULL);
+
+ if (IS_ERR(pci_slot))
+ pr_err("PCI: pci_create_slot returned %ld.\n",
+ PTR_ERR(pci_slot));
+ }
+
+ list_for_each_entry(bus, &pbus->children, node)
+ pcie_bus_slot_names(bus);
+}
+
static void pci_bus_slot_names(struct device_node *node, struct pci_bus *bus)
{
const struct pci_slot_names {
@@ -1053,18 +1085,29 @@ static int __init of_pci_slot_init(void)
while ((pbus = pci_find_next_bus(pbus)) != NULL) {
struct device_node *node;
+ struct pci_dev *pdev;
+
+ pdev = list_first_entry(&pbus->devices, struct pci_dev,
+ bus_list);
- if (pbus->self) {
- /* PCI->PCI bridge */
- node = pbus->self->dev.of_node;
+ if (pdev && pci_is_pcie(pdev)) {
+ pcie_bus_slot_names(pbus);
} else {
- struct pci_pbm_info *pbm = pbus->sysdata;
- /* Host PCI controller */
- node = pbm->op->dev.of_node;
- }
+ if (pbus->self) {
+
+ /* PCI->PCI bridge */
+ node = pbus->self->dev.of_node;
+
+ } else {
+ struct pci_pbm_info *pbm = pbus->sysdata;
- pci_bus_slot_names(node, pbus);
+ /* Host PCI controller */
+ node = pbm->op->dev.of_node;
+ }
+
+ pci_bus_slot_names(node, pbus);
+ }
}
return 0;