linux-kernel - [PATCH 1/2] spi: spi-pci1xxxx: Drop MSI-X usage as unsupported by DMA engine

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250614081312.763606-2-ewhk9887@gmail.com>
Date: Sat, 14 Jun 2025 17:13:10 +0900
From: Eunsoo Eun <ewhk9887@...il.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Thangaraj Samynathan <thangaraj.s@...rochip.com>,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH 1/2] spi: spi-pci1xxxx: Drop MSI-X usage as unsupported by DMA engine

From: Thangaraj Samynathan <thangaraj.s@...rochip.com>

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>
Link: https://patch.msgid.link/20250612023059.71726-1-thangaraj.s@microchip.com
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 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 9112d8a1a0c8..e27642c4dea4 100644
--- a/drivers/spi/spi-pci1xxxx.c
+++ b/drivers/spi/spi-pci1xxxx.c
@@ -762,7 +762,7 @@ 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;
-- 
2.49.0