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xen/pcifront: Deprecate pci_get_bus_and_slot()

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pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as
where a PCI device is present. This restricts the device drivers to be
reused for other domain numbers.

Use pci_get_domain_bus_and_slot() with a domain number of 0 where we can't
extract the domain number. Other places, use the actual domain number from
the device.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Sinan Kaya 2017-12-19 00:37:55 -05:00 committed by Bjorn Helgaas
parent 39c9465204
commit dd34bb4041
1 changed files with 2 additions and 1 deletions
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3
drivers/pci/xen-pcifront.c
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@ -595,6 +595,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
struct pci_driver *pdrv;
int bus = pdev->sh_info->aer_op.bus;
int devfn = pdev->sh_info->aer_op.devfn;
int domain = pdev->sh_info->aer_op.domain;
struct pci_dev *pcidev;
int flag = 0;
@ -603,7 +604,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
cmd, bus, devfn);
result = PCI_ERS_RESULT_NONE;
pcidev = pci_get_bus_and_slot(bus, devfn);
pcidev = pci_get_domain_bus_and_slot(domain, bus, devfn);
if (!pcidev || !pcidev->driver) {
dev_err(&pdev->xdev->dev, "device or AER driver is NULL\n");
pci_dev_put(pcidev);