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Subject[PATCH v6 04/30] xen/PCI: Don't use deprecated function pci_scan_bus_parented()
Date
From: Arnd Bergmann <arnd@arndb.de>

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

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: xen-devel@lists.xenproject.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
drivers/pci/xen-pcifront.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index b1ffebe..9e7c28b 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -21,6 +21,7 @@
#include <linux/bitops.h>
#include <linux/time.h>
#include <xen/platform_pci.h>
+#include "pci.h"

#include <asm/xen/swiotlb-xen.h>
#define INVALID_GRANT_REF (0)
@@ -446,6 +447,7 @@ 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 +472,21 @@ 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_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 +494,7 @@ 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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