[Xen-devel] [PATCH v4 03/30] xen/PCI: Don't use deprecated function pci_scan_bus_parented()

[Yijing Wang <wangyijing@xxxxxxxxxx>]

From: Arnd Bergmann <arnd@xxxxxxxx>

Use pci_scan_root_bus() instead of deprecated function
pci_scan_bus_parented().

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
CC: xen-devel@xxxxxxxxxxxxxxxxxxxx
---
 drivers/pci/xen-pcifront.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index b1ffebe..240ddbc 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -446,6 +446,7 @@ 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;
@@ -470,17 +471,20 @@ 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);
        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 +492,7 @@ 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);
 
-- 
1.7.1


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