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PCI: Use cached MSI cap while enabling MSI interrupts
authorGavin Shan <shangw@linux.vnet.ibm.com>
Thu, 4 Apr 2013 16:54:32 +0000 (16:54 +0000)
committerBjorn Helgaas <bhelgaas@google.com>
Tue, 23 Apr 2013 15:50:30 +0000 (09:50 -0600)
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>

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