From 7bd2b120f3fdf8e5c6d9a343517a33c2a5108794 Mon Sep 17 00:00:00 2001 From: Oliver O'Halloran Date: Wed, 2 Sep 2020 13:51:21 +1000 Subject: [PATCH] powerpc/pci: Delete traverse_pci_dn() Nothing uses it. Signed-off-by: Oliver O'Halloran Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200902035121.1762475-1-oohall@gmail.com --- arch/powerpc/include/asm/ppc-pci.h | 3 --- arch/powerpc/kernel/pci_dn.c | 40 ------------------------------ 2 files changed, 43 deletions(-) diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index 7f4be5a05eb3..583f8b589d10 100644 --- 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 e99b7c547d7e..54e240597fd9 100644 --- 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; -- 2.20.1