[RFC PATCH 05/16] PCI: Use pci_scan_root_bus() instead of pci_scan_bus_parented()

Yijing Wang
2014-11-17T09:40:59Z

Now we can remove the deprecated pci_scan_bus_parented(),
and use pci_scan_root_bus() instead.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
drivers/pci/probe.c | 19 -------------------
drivers/pci/xen-pcifront.c | 6 +++---
include/linux/pci.h | 2 --
3 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 97711f3..623bfff 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2105,25 +2105,6 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
}
EXPORT_SYMBOL(pci_scan_root_bus);

-/* Deprecated; use pci_scan_root_bus() instead */
-struct pci_bus *pci_scan_bus_parented(struct device *parent,
- int bus, struct pci_ops *ops, void *sysdata)
-{
- LIST_HEAD(resources);
- struct pci_bus *b;
-
- pci_add_resource(&resources, &ioport_resource);
- pci_add_resource(&resources, &iomem_resource);
- pci_add_resource(&resources, &busn_resource);
- b = pci_create_root_bus(parent, bus, ops, sysdata, &resources);
- if (b)
- pci_scan_child_bus(b);
- else
- pci_free_resource_list(&resources);
- return b;
-}
-EXPORT_SYMBOL(pci_scan_bus_parented);
-
/**
* pci_rescan_bus_bridge_resize - scan a PCI bus for devices.
* @bridge: PCI bridge for the bus to scan
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index 116ca37..fa2e312 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -474,8 +474,8 @@ static int pcifront_scan_root(struct pcifront_device *pdev,

pci_lock_rescan_remove();

- b = pci_scan_bus_parented(&pdev->xdev->dev, bus,
- &pcifront_bus_ops, sd);
+ b = pci_scan_root_bus(&pdev->xdev->dev, bus,
+ &pcifront_bus_ops, sd, NULL);
if (!b) {
dev_err(&pdev->xdev->dev,
"Error creating PCI Frontend Bus!\n");
@@ -488,7 +488,7 @@ static int pcifront_scan_root(struct pcifront_device *pdev,

list_add(&bus_entry->list, &pdev->root_buses);

- /* pci_scan_bus_parented skips devices which do not have a have
+ /* pci_scan_root_bus skips devices which do not have a have
* devfn=0. The pcifront_scan_bus enumerates all devfn. */
err = pcifront_scan_bus(pdev, domain, bus, b);

diff --git a/include/linux/pci.h b/include/linux/pci.h
index f8045d6..4daef65 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -767,8 +767,6 @@ void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
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_parented(struct device *parent, int bus,
- struct pci_ops *ops, void *sysdata);
struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
struct pci_ops *ops, void *sysdata,
struct list_head *resources);
--
1.7.1