@@ -157,7 +157,8 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, struct intel_vsec_header *he
struct intel_vsec_platform_info *info)
{
struct intel_vsec_device __free(kfree) *intel_vsec_dev = NULL;
- struct resource *res, *tmp;
+ struct resource __free(kfree) *res = NULL;
+ struct resource *tmp;
unsigned long quirks = info->quirks;
int ret, i;
@@ -195,6 +196,12 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, struct intel_vsec_header *he
header->offset + i * (header->entry_size * sizeof(u32));
tmp->end = tmp->start + (header->entry_size * sizeof(u32)) - 1;
tmp->flags = IORESOURCE_MEM;
+
+ /* Check resource is not in use */
+ if (!request_mem_region(tmp->start, resource_size(tmp), ""))
+ return -EBUSY;
+
+ release_mem_region(tmp->start, resource_size(tmp));
}
intel_vsec_dev->pcidev = pdev;
@@ -207,9 +214,10 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, struct intel_vsec_header *he
else
intel_vsec_dev->ida = &intel_vsec_ida;
- ret = intel_vsec_add_aux(pdev, NULL, intel_vsec_dev,
+ ret = intel_vsec_add_aux(pdev, info->parent, intel_vsec_dev,
intel_vsec_name(header->id));
+ no_free_ptr(res);
no_free_ptr(intel_vsec_dev);
return ret;
@@ -329,6 +337,16 @@ static bool intel_vsec_walk_vsec(struct pci_dev *pdev,
return have_devices;
}
+void intel_vsec_register(struct pci_dev *pdev,
+ struct intel_vsec_platform_info *info)
+{
+ if (!pdev || !info)
+ return;
+
+ intel_vsec_walk_header(pdev, info);
+}
+EXPORT_SYMBOL_NS_GPL(intel_vsec_register, INTEL_VSEC);
+
static int intel_vsec_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct intel_vsec_platform_info *info;
@@ -69,6 +69,7 @@ enum intel_vsec_quirks {
/* Platform specific data */
struct intel_vsec_platform_info {
+ struct device *parent;
struct intel_vsec_header **headers;
unsigned long caps;
unsigned long quirks;
@@ -99,4 +100,7 @@ static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device
{
return container_of(auxdev, struct intel_vsec_device, auxdev);
}
+
+void intel_vsec_register(struct pci_dev *pdev,
+ struct intel_vsec_platform_info *info);
#endif