summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorBjorn Helgaas <bhelgaas@google.com>2013-04-23 01:12:28 +0200
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-10 15:10:38 +0200
commit7c86617dde0015112de566a4619a9b06871580c1 (patch)
tree4fc7b65f611f5059ab03caf93bc85ff3e3fbc3c8
parentxen/pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK (diff)
downloadlinux-7c86617dde0015112de566a4619a9b06871580c1.tar.xz
linux-7c86617dde0015112de566a4619a9b06871580c1.zip
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>
-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 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);