static int find_cxl_vsec(struct pci_dev *dev)
{
- int vsec = 0;
- u16 val;
-
- while ((vsec = pci_find_next_ext_capability(dev, vsec, PCI_EXT_CAP_ID_VNDR))) {
- pci_read_config_word(dev, vsec + 0x4, &val);
- if (val == CXL_PCI_VSEC_ID)
- return vsec;
- }
- return 0;
-
+ return pci_find_vsec_capability(dev, PCI_VENDOR_ID_IBM, CXL_PCI_VSEC_ID);
}
static void dump_cxl_config_space(struct pci_dev *dev)