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Subject[PATCH v6 27/30] PCI: Rename __pci_create_root_bus() to pci_create_root_bus()
Date
Now no one use pci_create_root_bus(), we could remove it
and rename __pci_create_root_bus() to pci_create_root_bus().

Signed-off-by: wangyijing@huawei.com
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
drivers/pci/probe.c | 27 ++++++++-------------------
include/linux/pci.h | 3 ---
2 files changed, 8 insertions(+), 22 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 1080eff..196f08a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1853,7 +1853,7 @@ void __weak pcibios_remove_bus(struct pci_bus *bus)
{
}

-static struct pci_bus *__pci_create_root_bus(
+static struct pci_bus *pci_create_root_bus(
struct pci_host_bridge *bridge, struct pci_ops *ops)
{
int error;
@@ -1937,18 +1937,6 @@ err_out:
return NULL;
}

-struct pci_bus *pci_create_root_bus(struct device *parent, u32 db,
- struct pci_ops *ops, void *sysdata, struct list_head *resources)
-{
- struct pci_host_bridge *host;
-
- host = pci_create_host_bridge(parent, db, resources, sysdata, NULL);
- if (!host)
- return NULL;
-
- return __pci_create_root_bus(host, ops);
-}
-
int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max)
{
struct resource *res = &b->busn_res;
@@ -2026,7 +2014,7 @@ static struct pci_bus *__pci_scan_root_bus(
break;
}

- b = __pci_create_root_bus(host, ops);
+ b = pci_create_root_bus(host, ops);
if (!b) {
pci_free_host_bridge(host);
return NULL;
@@ -2089,18 +2077,19 @@ struct pci_bus *pci_scan_bus(u32 db, struct pci_ops *ops,
void *sysdata)
{
LIST_HEAD(resources);
- struct pci_bus *b;
+ struct pci_host_bridge *host;

pci_add_resource(&resources, &ioport_resource);
pci_add_resource(&resources, &iomem_resource);
pci_add_resource(&resources, &busn_resource);
- b = pci_create_root_bus(NULL, db, ops, sysdata, &resources);
- if (b) {
- pci_scan_child_bus(b);
+ host = pci_create_host_bridge(NULL, db, sysdata, &resources, NULL);
+ if (host) {
+ __pci_scan_root_bus(host, ops);
+ return host->bus;
} else {
pci_free_resource_list(&resources);
}
- return b;
+ return NULL;
}
EXPORT_SYMBOL(pci_scan_bus);

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 261b8de..5717b14 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -779,9 +779,6 @@ void pcibios_scan_specific_bus(int busn);
struct pci_bus *pci_find_bus(int domain, int busnr);
void pci_bus_add_devices(const struct pci_bus *bus);
struct pci_bus *pci_scan_bus(u32 dombus, struct pci_ops *ops, void *sysdata);
-struct pci_bus *pci_create_root_bus(struct device *parent, u32 dombus,
- struct pci_ops *ops, void *sysdata,
- struct list_head *resources);
int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax);
int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax);
void pci_bus_release_busn_res(struct pci_bus *b);
--
1.7.1


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