diff options
Diffstat (limited to 'drivers/platform/x86/intel/vsec.c')
| -rw-r--r-- | drivers/platform/x86/intel/vsec.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/vsec.c b/drivers/platform/x86/intel/vsec.c index aa1f7e63039d..32f777b41b33 100644 --- a/drivers/platform/x86/intel/vsec.c +++ b/drivers/platform/x86/intel/vsec.c @@ -568,11 +568,30 @@ static bool intel_vsec_get_features(struct pci_dev *pdev, return found; } +static void intel_vsec_skip_missing_dependencies(struct pci_dev *pdev) +{ + struct vsec_priv *priv = pci_get_drvdata(pdev); + const struct vsec_feature_dependency *deps = priv->info->deps; + int consumer_id = priv->info->num_deps; + + while (consumer_id--) { + int supplier_id; + + deps = &priv->info->deps[consumer_id]; + + for_each_set_bit(supplier_id, &deps->supplier_bitmap, VSEC_FEATURE_COUNT) { + if (!(BIT(supplier_id) & priv->found_caps)) + priv->state[supplier_id] = STATE_SKIP; + } + } +} + static int intel_vsec_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct intel_vsec_platform_info *info; struct vsec_priv *priv; int num_caps, ret; + int run_once = 0; bool found_any = false; ret = pcim_enable_device(pdev); @@ -597,6 +616,11 @@ static int intel_vsec_pci_probe(struct pci_dev *pdev, const struct pci_device_id if (priv->found_caps == info->caps) break; + + if (!run_once) { + intel_vsec_skip_missing_dependencies(pdev); + run_once = 1; + } } if (!found_any) |