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platform/x86/intel/vsec: Decouple add/link helpers from PCI

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This refactor prepares for adding 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 <david.e.box@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://patch.msgid.link/20260313015202.3660072-4-david.e.box@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
David E. Box 2026-03-12 18:51:42 -07:00 committed by Ilpo Järvinen
parent 9577c74c96
commit c62fd96a04
No known key found for this signature in database
GPG Key ID: 59AC4F6153E5CE31
3 changed files with 11 additions and 6 deletions
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13
drivers/platform/x86/intel/vsec.c
View File

@ -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;
@ -343,7 +348,7 @@ 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));
}

2
drivers/platform/x86/intel/vsec_tpmi.c
View File

@ -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);
}

2
include/linux/intel_vsec.h
View File

@ -184,7 +184,7 @@ 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);