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-rw-r--r--pcidev.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/pcidev.c b/pcidev.c
index 8b8b4788..0049f0ca 100644
--- a/pcidev.c
+++ b/pcidev.c
@@ -157,6 +157,25 @@ struct pci_dev *pcidev_scandev(struct pci_filter *filter, struct pci_dev *start)
return NULL;
}
+struct pci_dev *pcidev_card_find(uint16_t vendor, uint16_t device,
+ uint16_t card_vendor, uint16_t card_device)
+{
+ struct pci_dev *temp = NULL;
+ struct pci_filter filter;
+
+ pci_filter_init(NULL, &filter);
+ filter.vendor = vendor;
+ filter.device = device;
+
+ while ((temp = pcidev_scandev(&filter, temp))) {
+ if ((card_vendor == pci_read_word(temp, PCI_SUBSYSTEM_VENDOR_ID))
+ && (card_device == pci_read_word(temp, PCI_SUBSYSTEM_ID)))
+ return temp;
+ }
+
+ return NULL;
+}
+
struct pci_dev *pcidev_getdevfn(struct pci_dev *dev, const int func)
{
#if !defined(OLD_PCI_GET_DEV)