iommu/vt-d: Remove domain search for PCI/MSI[X]

Now that the domain can be retrieved through device::msi_domain the domain
search for PCI_MSI[X] is not longer required. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200826112334.305699301@linutronix.de

diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c
index 68692a4..0cfce1d 100644 (file)
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1138,9 +1138,6 @@ static struct irq_domain *intel_get_irq_domain(struct irq_alloc_info *info)
                return map_ioapic_to_ir(info->devid);
        case X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT:
                return map_hpet_to_ir(info->devid);
-       case X86_IRQ_ALLOC_TYPE_PCI_MSI:
-       case X86_IRQ_ALLOC_TYPE_PCI_MSIX:
-               return map_dev_to_ir(msi_desc_to_pci_dev(info->desc));
        default:
                WARN_ON_ONCE(1);
                return NULL;