tree fdb14cdf9ff08208e1d0af9cd2229cb631f5894c
parent c2791b806988100cc1c047e2b0b5c5d0914aa3b6
author Yijing Wang <wangyijing@huawei.com> 1415744565 -0700
committer Bjorn Helgaas <bhelgaas@google.com> 1415804175 -0700

PCI/MSI: Add weak pcibios_msi_controller()

Add pcibios_msi_controller() to get the msi_controller associated with a
PCI device.  This is to allow arches to store the msi_controller in the
arch-specific PCI sysdata.

[bhelgaas: changelog, take pci_dev instead of pci_bus]
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>