device: Use pcidev_path_on_root()

Change-Id: I2e28b9f4ecaf258bff8a062b5a54cb3d8e2bb9b0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30400
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/drivers/usb/pci_ehci.c b/src/drivers/usb/pci_ehci.c
index a61779c..e0f88ec 100644
--- a/src/drivers/usb/pci_ehci.c
+++ b/src/drivers/usb/pci_ehci.c
@@ -37,8 +37,7 @@
 #ifdef __SIMPLE_DEVICE__
 	pci_devfn_t dev = dbg_dev;
 #else
-	struct device *dev = dev_find_slot(PCI_DEV2SEGBUS(dbg_dev),
-					   PCI_DEV2DEVFN(dbg_dev));
+	struct device *dev = pcidev_path_on_root(PCI_DEV2DEVFN(dbg_dev));
 #endif
 
 	u32 class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
@@ -124,8 +123,7 @@
 #ifdef __SIMPLE_DEVICE__
 	u8 *base = (u8 *)(pci_read_config32(sdev, EHCI_BAR_INDEX) & ~0x0f);
 #else
-	struct device *dev = dev_find_slot(PCI_DEV2SEGBUS(sdev),
-					   PCI_DEV2DEVFN(sdev));
+	struct device *dev = pcidev_path_on_root(PCI_DEV2DEVFN(sdev));
 	u8 *base = (u8 *)(pci_read_config32(dev, EHCI_BAR_INDEX) & ~0x0f);
 #endif
 	return base + HC_LENGTH(read32(base));