PCI: keystone: Allow AM654 PCIe Endpoint to raise MSI-X interrupt

AM654 PCIe EP controller has MSI-X capability register and has the
ability to raise MSI-X interrupt. Add support in pci-keystone.c
for PCIe endpoint controller in AM654 to raise MSI-X interrupts.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 6efed8fba5dae513a7ac9cd37d79440dfff61144..e3d9061815cbc2fffec889d28c69db93853a3862 100644 (file)
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -1114,6 +1114,9 @@ static int ks_pcie_am654_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
        case PCI_EPC_IRQ_MSI:
                dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
                break;
+       case PCI_EPC_IRQ_MSIX:
+               dw_pcie_ep_raise_msix_irq(ep, func_no, interrupt_num);
+               break;
        default:
                dev_err(pci->dev, "UNKNOWN IRQ type\n");
                return -EINVAL;