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authorGavin Shan <shangw@linux.vnet.ibm.com>2013-04-04 16:54:30 +0000
committerBjorn Helgaas <bhelgaas@google.com>2013-04-23 09:50:30 -0600
commite375b561817d9ae098cc4296a729fc88924a0159 (patch)
tree7cd6f54166d29a1b7c612e407d57ce79b1024610 /usr
parent703860ed4e36ded696bd44af6107243fdedfb746 (diff)
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>
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