linux-kernel - [PATCH] dmaengine: idxd: Add a new IAA device ID for Wildcat Lake family platforms

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Message-ID: <20250801215936.188555-1-vinicius.gomes@intel.com>
Date: Fri,  1 Aug 2025 14:59:35 -0700
From: Vinicius Costa Gomes <vinicius.gomes@...el.com>
To: dmaengine@...r.kernel.org
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
	Vinicius Costa Gomes <vinicius.gomes@...el.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Vinod Koul <vkoul@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dmaengine: idxd: Add a new IAA device ID for Wildcat Lake family platforms

From: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>

A new IAA device ID, 0xfd2d, is introduced across all Wildcat Lake
family platforms. Add the device ID to the IDXD driver.

Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
---
 drivers/dma/idxd/init.c      | 2 ++
 drivers/dma/idxd/registers.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 35bdefd3728b..f98aa41fa42e 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -80,6 +80,8 @@ static struct pci_device_id idxd_pci_tbl[] = {
 	{ PCI_DEVICE_DATA(INTEL, IAA_DMR, &idxd_driver_data[IDXD_TYPE_IAX]) },
 	/* IAA PTL platforms */
 	{ PCI_DEVICE_DATA(INTEL, IAA_PTL, &idxd_driver_data[IDXD_TYPE_IAX]) },
+	/* IAA WCL platforms */
+	{ PCI_DEVICE_DATA(INTEL, IAA_WCL, &idxd_driver_data[IDXD_TYPE_IAX]) },
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, idxd_pci_tbl);
diff --git a/drivers/dma/idxd/registers.h b/drivers/dma/idxd/registers.h
index 9c1c546fe443..0d84bd7a680b 100644
--- a/drivers/dma/idxd/registers.h
+++ b/drivers/dma/idxd/registers.h
@@ -10,6 +10,7 @@
 #define PCI_DEVICE_ID_INTEL_DSA_DMR	0x1212
 #define PCI_DEVICE_ID_INTEL_IAA_DMR	0x1216
 #define PCI_DEVICE_ID_INTEL_IAA_PTL	0xb02d
+#define PCI_DEVICE_ID_INTEL_IAA_WCL	0xfd2d
 
 #define DEVICE_VERSION_1		0x100
 #define DEVICE_VERSION_2		0x200
-- 
2.50.1