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authorBjorn Helgaas <bhelgaas@google.com>2013-04-22 17:12:28 -0600
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-10 09:10:38 -0400
commit7c86617dde0015112de566a4619a9b06871580c1 (patch)
tree4fc7b65f611f5059ab03caf93bc85ff3e3fbc3c8 /arch/x86/pci
parent4be6bfe2af829efa6da91ca33f9f2fcb3e37bc89 (diff)
downloadop-kernel-dev-7c86617dde0015112de566a4619a9b06871580c1.zip
op-kernel-dev-7c86617dde0015112de566a4619a9b06871580c1.tar.gz
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>
Diffstat (limited to 'arch/x86/pci')
-rw-r--r--arch/x86/pci/xen.c3
1 files changed, 1 insertions, 2 deletions
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 @@ 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);
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