xen/pci: Used cached MSI-X capability offset

We now cache the MSI-X capability offset in the struct pci_dev, so no
need to find the capability again.

Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 82c62d689da8..48e8461057ba 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -295,8 +295,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
                         int pos;
                         u32 table_offset, bir;
 
-                        pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
-
+                        pos = dev->msix_cap;
                         pci_read_config_dword(dev, pos + PCI_MSIX_TABLE,
                                               &table_offset);
                         bir = (u8)(table_offset & PCI_MSIX_TABLE_BIR);