From: Arnd Bergmann <a...@arndb.de>
Use pci_scan_root_bus() instead of deprecated function
pci_scan_bus_parented().
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Yijing Wang <wangyij...@huawei.com>
CC: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
CC: xen-de...@lists.xenproject.org
---
drivers/pci/xen-pcifront.c | 16 +++++++++++++---
1 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index b1ffebe..a69e529 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -446,9 +446,15 @@ static int pcifront_scan_root(struct pcifront_device *pdev,
unsigned int domain, unsigned int bus)
{
struct pci_bus *b;
+ LIST_HEAD(resources);
struct pcifront_sd *sd = NULL;
struct pci_bus_entry *bus_entry = NULL;
int err = 0;
+ static struct resource busn_res = {
+ .start = 0,
+ .end = 255,
+ .flags = IORESOURCE_BUS,
+ };
#ifndef CONFIG_PCI_DOMAINS
if (domain != 0) {
@@ -470,17 +476,21 @@ static int pcifront_scan_root(struct pcifront_device
*pdev,
err = -ENOMEM;
goto err_out;
}
+ pci_add_resource(&resources, &ioport_resource);
+ pci_add_resource(&resources, &iomem_resource);
+ pci_add_resource(&resources, &busn_res);
pcifront_init_sd(sd, domain, bus, 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, &resources);
if (!b) {
dev_err(&pdev->xdev->dev,
"Error creating PCI Frontend Bus!\n");
err = -ENOMEM;
pci_unlock_rescan_remove();
+ pci_free_resource_list(&resources);
goto err_out;
}
@@ -488,7 +498,7 @@ 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
* devfn==0. The pcifront_scan_bus enumerates all devfn. */
err = pcifront_scan_bus(pdev, domain, bus, b);
--
1.7.1
--
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