diff --git a/src/soc/amd/mendocino/xhci.c b/src/soc/amd/mendocino/xhci.c
index e564991..8f46374 100644
--- a/src/soc/amd/mendocino/xhci.c
+++ b/src/soc/amd/mendocino/xhci.c
@@ -35,13 +35,13 @@
 
 enum cb_err pci_xhci_get_wake_gpe(const struct device *dev, int *gpe)
 {
-	if (dev->bus->dev->path.type != DEVICE_PATH_PCI)
+	if (dev->upstream->dev->path.type != DEVICE_PATH_PCI)
 		return CB_ERR_ARG;
 
 	if (dev->path.type != DEVICE_PATH_PCI)
 		return CB_ERR_ARG;
 
-	if (dev->bus->dev->path.pci.devfn == PCIE_ABC_A_DEVFN) {
+	if (dev->upstream->dev->path.pci.devfn == PCIE_ABC_A_DEVFN) {
 		if (dev->path.pci.devfn == XHCI0_DEVFN) {
 			*gpe = xhci_sci_sources[0].gpe;
 			return CB_SUCCESS;
@@ -49,7 +49,7 @@
 			*gpe = xhci_sci_sources[1].gpe;
 			return CB_SUCCESS;
 		}
-	} else if (dev->bus->dev->path.pci.devfn == PCIE_ABC_C_DEVFN) {
+	} else if (dev->upstream->dev->path.pci.devfn == PCIE_ABC_C_DEVFN) {
 		if (dev->path.pci.devfn == XHCI2_DEVFN
 		    && dev->device == PCI_DID_AMD_FAM17H_MODELA0H_XHCI2) {
 			*gpe = xhci_sci_sources[2].gpe;