powerpc/pci: Delete traverse_pci_dn()

Nothing uses it.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200902035121.1762475-1-oohall@gmail.com

diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h
index 7f4be5a..583f8b5 100644 (file)
--- a/arch/powerpc/include/asm/ppc-pci.h
+++ b/arch/powerpc/include/asm/ppc-pci.h
@@ -32,9 +32,6 @@ struct pci_dn;
 void *pci_traverse_device_nodes(struct device_node *start,
                                void *(*fn)(struct device_node *, void *),
                                void *data);
-void *traverse_pci_dn(struct pci_dn *root,
-                     void *(*fn)(struct pci_dn *, void *),
-                     void *data);
 extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
 
 /* From rtas_pci.h */

diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c
index e99b7c5..54e2405 100644 (file)
--- a/arch/powerpc/kernel/pci_dn.c
+++ b/arch/powerpc/kernel/pci_dn.c
@@ -443,46 +443,6 @@ void *pci_traverse_device_nodes(struct device_node *start,
 }
 EXPORT_SYMBOL_GPL(pci_traverse_device_nodes);
 
-static struct pci_dn *pci_dn_next_one(struct pci_dn *root,
-                                     struct pci_dn *pdn)
-{
-       struct list_head *next = pdn->child_list.next;
-
-       if (next != &pdn->child_list)
-               return list_entry(next, struct pci_dn, list);
-
-       while (1) {
-               if (pdn == root)
-                       return NULL;
-
-               next = pdn->list.next;
-               if (next != &pdn->parent->child_list)
-                       break;
-
-               pdn = pdn->parent;
-       }
-
-       return list_entry(next, struct pci_dn, list);
-}
-
-void *traverse_pci_dn(struct pci_dn *root,
-                     void *(*fn)(struct pci_dn *, void *),
-                     void *data)
-{
-       struct pci_dn *pdn = root;
-       void *ret;
-
-       /* Only scan the child nodes */
-       for (pdn = pci_dn_next_one(root, pdn); pdn;
-            pdn = pci_dn_next_one(root, pdn)) {
-               ret = fn(pdn, data);
-               if (ret)
-                       return ret;
-       }
-
-       return NULL;
-}
-
 static void *add_pdn(struct device_node *dn, void *data)
 {
        struct pci_controller *hose = data;