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powerpc/pci: Delete traverse_pci_dn()

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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
This commit is contained in:
Oliver O'Halloran 2020-09-02 13:51:21 +10:00 committed by Michael Ellerman
parent 9e85741683
commit 7bd2b120f3
2 changed files with 0 additions and 43 deletions
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3
arch/powerpc/include/asm/ppc-pci.h
View File

@ -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 */

40
arch/powerpc/kernel/pci_dn.c
View File

@ -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;