commit 7c86617dde0015112de566a4619a9b06871580c1
author Bjorn Helgaas <bhelgaas@google.com> Mon Apr 22 17:12:28 2013 -0600
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Fri May 10 09:10:38 2013 -0400
tree 4fc7b65f611f5059ab03caf93bc85ff3e3fbc3c8
parent 4be6bfe2af829efa6da91ca33f9f2fcb3e37bc89

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>

arch/x86/pci/xen.c

diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 82c62d6..48e8461 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -295,8 +295,7 @@
 			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);