tree 42cf963af111d5cdbf25b0840a8b83ecb946cb22
parent cdf1fd4d906bc8c06510fd3e1d6a073441792792
author Gavin Shan <shangw@linux.vnet.ibm.com> 1365094472 +0000
committer Bjorn Helgaas <bhelgaas@google.com> 1366732230 -0600

PCI: Use cached MSI cap while enabling MSI interrupts

The patch uses the cached MSI capability offset in pci_dev instead
of reading it from config space when enabling MSI interrupts.

[bhelgaas: removed unrelated msi_control_reg() changes]
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>