On Mon, Sep 05, 2016 at 05:21:45PM +0200, Christoph Hellwig wrote: > Use the new pci_alloc_irq_vectors API to allocate MSI-X and MSI vectors. > The big advantage over the old code is that we can use the same API for > MSI and MSI-X, and that we don't need to store the MSI-X vector mapping > in driver-private data structures. > > This first conversion keeps the probe order as-is: MSI-X multi vector, > MSI multi vector, MSI single vector, MSI-X single vector and last a > single least legacy interrupt line. There is one small change of > behavior: we now check the "MSI Revert to Single Message" flag for > MSI-X in addition to MSI. > > Because the API to find the Linux IRQ number for a MSI/MSI-X vector > is PCI specific, but libahaci is bus-agnostic I had to a > get_irq_vector function pointer to struct ahci_host_priv. The > alternative would be to move the multi-vector case of ahci_host_activate > to ahci.c and just call ata_host_activate directly from the others > users of ahci_host_activate. Applied to libata/for-4.9 after pulling in the mainline. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
