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

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Message-ID: <d8041f34-7c4a-4bfc-ac6e-6c7d9a1e1208@intel.com>
Date: Fri, 1 Aug 2025 15:31:13 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: Vinicius Costa Gomes <vinicius.gomes@...el.com>, dmaengine@...r.kernel.org
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
 Vinod Koul <vkoul@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: idxd: Add a new IAA device ID for Wildcat Lake
 family platforms



On 8/1/25 2:59 PM, Vinicius Costa Gomes wrote:
> 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>

Reviewed-by: Dave Jiang <dave.jiang@...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