On 11/12/14 13:56, Srikanth Thokala wrote:
@@ -122,9 +123,19 @@ static int gen_pci_config_write(struct pci_bus *bus, unsigned int devfn, > return PCIBIOS_SUCCESSFUL; > } > >+static int gen_pci_set_msi_parent(struct pci_bus *bus) >+{ >+ struct gen_pci *pci = bus_to_gen_pci(bus); >+ >+ bus->msi = pci->mchip; >+ >+ return PCIBIOS_SUCCESSFUL; >+} >+ > static struct pci_ops gen_pci_ops = { > .read = gen_pci_config_read, > .write = gen_pci_config_write, >+ .set_msi_parent = gen_pci_set_msi_parent,We assign the msi chip through add_bus() call, do we still need this?
Certain architecture (i.e arm64) doesn't implement struct hw_pci. Therefore, there is no add_bus(). However, this new API should allow non-arch dependent implementation.
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