PCI/MSI: Retrieve first MSI IRQ from msi_desc rather than pci_dev

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Retrieve the first MSI IRQ to compute the MSI index from struct msi_desc
rather than the struct pci_dev to avoid an additional memory access.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Yijing Wang 2014-07-08 10:08:55 +08:00 • committed by Bjorn Helgaas

parent 4cc901613b

commit a281b788d6

1 changed files with 1 additions and 1 deletions

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drivers/pci/msi.c

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