On Tue, 6 Jan 2026, David E. Box wrote:

> This refactor is preparatory for ACPI-enumerated PMT endpoints. While
> intel_vsec is bound to PCI today, some helpers are used by code that will
> also register PMT endpoints from non-PCI (ACPI) paths. Clean up
> PCI-specific plumbing where it isn’t strictly required and rely on
> generic struct device where possible.
> 
> Signed-off-by: David E. Box <[email protected]>

Reviewed-by: Ilpo Järvinen <[email protected]>

--
 i.

> ---
>  drivers/platform/x86/intel/vsec.c      | 13 +++++++++----
>  drivers/platform/x86/intel/vsec_tpmi.c |  2 +-
>  include/linux/intel_vsec.h             |  2 +-
>  3 files changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/platform/x86/intel/vsec.c 
> b/drivers/platform/x86/intel/vsec.c
> index ecfc7703f201..130577061a51 100644
> --- a/drivers/platform/x86/intel/vsec.c
> +++ b/drivers/platform/x86/intel/vsec.c
> @@ -158,18 +158,23 @@ static bool vsec_driver_present(int cap_id)
>   */
>  static const struct pci_device_id intel_vsec_pci_ids[];
>  
> -static int intel_vsec_link_devices(struct pci_dev *pdev, struct device *dev,
> +static int intel_vsec_link_devices(struct device *parent, struct device *dev,
>                                  int consumer_id)
>  {
>       const struct vsec_feature_dependency *deps;
>       enum vsec_device_state *state;
>       struct device **suppliers;
>       struct vsec_priv *priv;
> +     struct pci_dev *pdev;
>       int supplier_id;
>  
>       if (!consumer_id)
>               return 0;
>  
> +     if (!dev_is_pci(parent))
> +             return 0;
> +
> +     pdev = to_pci_dev(parent);
>       if (!pci_match_id(intel_vsec_pci_ids, pdev))
>               return 0;
>  
> @@ -204,7 +209,7 @@ static int intel_vsec_link_devices(struct pci_dev *pdev, 
> struct device *dev,
>       return 0;
>  }
>  
> -int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
> +int intel_vsec_add_aux(struct device *parent,
>                      struct intel_vsec_device *intel_vsec_dev,
>                      const char *name)
>  {
> @@ -252,7 +257,7 @@ int intel_vsec_add_aux(struct pci_dev *pdev, struct 
> device *parent,
>       if (ret)
>               goto cleanup_aux;
>  
> -     ret = intel_vsec_link_devices(pdev, &auxdev->dev, 
> intel_vsec_dev->cap_id);
> +     ret = intel_vsec_link_devices(parent, &auxdev->dev, 
> intel_vsec_dev->cap_id);
>       if (ret)
>               goto cleanup_aux;
>  
> @@ -349,7 +354,7 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, 
> struct intel_vsec_header *he
>        * Pass the ownership of intel_vsec_dev and resource within it to
>        * intel_vsec_add_aux()
>        */
> -     return intel_vsec_add_aux(pdev, parent, no_free_ptr(intel_vsec_dev),
> +     return intel_vsec_add_aux(parent, no_free_ptr(intel_vsec_dev),
>                                 intel_vsec_name(header->id));
>  }
>  
> diff --git a/drivers/platform/x86/intel/vsec_tpmi.c 
> b/drivers/platform/x86/intel/vsec_tpmi.c
> index 7748b5557a18..2ccde86c529f 100644
> --- a/drivers/platform/x86/intel/vsec_tpmi.c
> +++ b/drivers/platform/x86/intel/vsec_tpmi.c
> @@ -655,7 +655,7 @@ static int tpmi_create_device(struct intel_tpmi_info 
> *tpmi_info,
>        * feature_vsec_dev and res memory are also freed as part of
>        * device deletion.
>        */
> -     return intel_vsec_add_aux(vsec_dev->pcidev, &vsec_dev->auxdev.dev,
> +     return intel_vsec_add_aux(&vsec_dev->auxdev.dev,
>                                 feature_vsec_dev, feature_id_name);
>  }
>  
> diff --git a/include/linux/intel_vsec.h b/include/linux/intel_vsec.h
> index 53f6fe88e369..28c2f5855a11 100644
> --- a/include/linux/intel_vsec.h
> +++ b/include/linux/intel_vsec.h
> @@ -183,7 +183,7 @@ struct pmt_feature_group {
>       struct telemetry_region regions[];
>  };
>  
> -int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
> +int intel_vsec_add_aux(struct device *parent,
>                      struct intel_vsec_device *intel_vsec_dev,
>                      const char *name);
>  
> 

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