bus: mhi: host: pci_generic: Enable MSI-X if the endpoint supports

JIRA: https://issues.redhat.com/browse/RHEL-79791

commit 29904a4
Author: Vivek Pernamitta <quic_vpernami@quicinc.com>
Date:   Wed Jan 8 21:52:07 2025 +0530

    bus: mhi: host: pci_generic: Enable MSI-X if the endpoint supports
    
    Enable MSI-X if the endpoint supports.
    
    Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
    Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
    Link: https://lore.kernel.org/r/20250108-msix-v2-1-dc4466922350@quicinc.com
    [mani: added pci_generic prefix to subject]
    Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>

Author: jtornosm

drivers/bus/mhi/host/pci_generic.c

@@ -1004,7 +1004,7 @@ static int mhi_pci_get_irqs(struct mhi_controller *mhi_cntrl,
 	 */
 	mhi_cntrl->nr_irqs = 1 + mhi_cntrl_config->num_events;
 
-	nr_vectors = pci_alloc_irq_vectors(pdev, 1, mhi_cntrl->nr_irqs, PCI_IRQ_MSI);
+	nr_vectors = pci_alloc_irq_vectors(pdev, 1, mhi_cntrl->nr_irqs, PCI_IRQ_MSIX | PCI_IRQ_MSI);
 	if (nr_vectors < 0) {
 		dev_err(&pdev->dev, "Error allocating MSI vectors %d\n",
 			nr_vectors);