linux-kernel - [PATCH v1 for-next] spi: spi-pci1xxxx: Drop MSI-X usage as unsupported by DMA engine

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Message-ID: <20250612023059.71726-1-thangaraj.s@microchip.com>
Date: Thu, 12 Jun 2025 08:00:59 +0530
From: Thangaraj Samynathan <thangaraj.s@...rochip.com>
To: <broonie@...nel.org>, <linux-spi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC: <UNGLinuxDriver@...rochip.com>
Subject: [PATCH v1 for-next] spi: spi-pci1xxxx: Drop MSI-X usage as unsupported by DMA engine

Removes MSI-X from the interrupt request path, as the DMA engine used by
the SPI controller does not support MSI-X interrupts.

Signed-off-by: Thangaraj Samynathan <thangaraj.s@...rochip.com>
---
 drivers/spi/spi-pci1xxxx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-pci1xxxx.c b/drivers/spi/spi-pci1xxxx.c
index 209a074a18a6..a6c8bf228288 100644
--- a/drivers/spi/spi-pci1xxxx.c
+++ b/drivers/spi/spi-pci1xxxx.c
@@ -765,7 +765,7 @@ static int pci1xxxx_spi_probe(struct pci_dev *pdev, const struct pci_device_id *
 				return -EINVAL;
 
 			num_vector = pci_alloc_irq_vectors(pdev, 1, hw_inst_cnt,
-							   PCI_IRQ_ALL_TYPES);
+							   PCI_IRQ_INTX | PCI_IRQ_MSI);
 			if (num_vector < 0) {
 				dev_err(&pdev->dev, "Error allocating MSI vectors\n");
 				return num_vector;
-- 
2.25.1