tree 7cd6f54166d29a1b7c612e407d57ce79b1024610
parent 703860ed4e36ded696bd44af6107243fdedfb746
author Gavin Shan <shangw@linux.vnet.ibm.com> 1365094470 +0000
committer Bjorn Helgaas <bhelgaas@google.com> 1366732230 -0600

PCI: Cache MSI/MSI-X capability offsets in struct pci_dev

The patch caches the MSI and MSI-X capability offset in PCI device
(struct pci_dev) so that we needn't read it from the config space
upon enabling or disabling MSI or MSI-X interrupts.

[bhelgaas: moved pm_cap size change to separate patch]
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>