linux-kernel - [PATCH] bus: mhi: host: Enable MSIx if the endpoint supports

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Message-ID: <20250106-msix-v1-1-91d7b7143118@quicinc.com>
Date: Mon, 6 Jan 2025 10:17:33 +0530
From: Vivek Pernamitta <quic_vpernami@...cinc.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
CC: <mhi@...ts.linux.dev>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Vivek Pernamitta <quic_vpernami@...cinc.com>
Subject: [PATCH] bus: mhi: host: Enable MSIx if the endpoint supports

Enable MSIx if the end point supports.

Signed-off-by: Vivek Pernamitta <quic_vpernami@...cinc.com>
---
Enable MSIx if the endpoint supports.
---
 drivers/bus/mhi/host/pci_generic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index 56ba4192c89c16b4882d2e7c95f0dc689fd1e267..af1380220904a7e6232ff1b374da0a4ea49cb470 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -949,7 +949,7 @@ 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);

---
base-commit: 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2
change-id: 20250106-msix-a4c5488ecafe

Best regards,
-- 
Vivek Pernamitta <quic_vpernami@...cinc.com>