diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c
index 478fe9b836..b59be2a599 100644
--- a/hw/pci-hotplug.c
+++ b/hw/pci-hotplug.c
@@ -127,7 +127,8 @@ void drive_hot_add(Monitor *mon, const QDict *qdict)
         if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
             goto err;
         }
-        dev = pci_find_device(pci_find_root_bus(dom), pci_bus, slot, 0);
+        dev = pci_find_device(pci_find_root_bus(dom), pci_bus,
+                              PCI_DEVFN(slot, 0));
         if (!dev) {
             monitor_printf(mon, "no pci device with address %s\n", pci_addr);
             goto err;
@@ -277,7 +278,7 @@ static int pci_device_hot_remove(Monitor *mon, const char *pci_addr)
         return -1;
     }
 
-    d = pci_find_device(pci_find_root_bus(dom), bus, slot, 0);
+    d = pci_find_device(pci_find_root_bus(dom), bus, PCI_DEVFN(slot, 0));
     if (!d) {
         monitor_printf(mon, "slot %d empty\n", slot);
         return -1;
diff --git a/hw/pci.c b/hw/pci.c
index 8b76cea914..44a1f9e526 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1603,14 +1603,14 @@ PCIBus *pci_find_bus(PCIBus *bus, int bus_num)
     return NULL;
 }
 
-PCIDevice *pci_find_device(PCIBus *bus, int bus_num, int slot, int function)
+PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn)
 {
     bus = pci_find_bus(bus, bus_num);
 
     if (!bus)
         return NULL;
 
-    return bus->devices[PCI_DEVFN(slot, function)];
+    return bus->devices[devfn];
 }
 
 static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
diff --git a/hw/pci.h b/hw/pci.h
index 7d56337c2b..14aba97de1 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -252,7 +252,7 @@ void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus, PCIDe
 PCIBus *pci_find_root_bus(int domain);
 int pci_find_domain(const PCIBus *bus);
 PCIBus *pci_find_bus(PCIBus *bus, int bus_num);
-PCIDevice *pci_find_device(PCIBus *bus, int bus_num, int slot, int function);
+PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn);
 int pci_qdev_find_device(const char *id, PCIDevice **pdev);
 PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);
 
diff --git a/hw/pci_host.c b/hw/pci_host.c
index 7c40155b95..728e2d4ce5 100644
--- a/hw/pci_host.c
+++ b/hw/pci_host.c
@@ -44,7 +44,7 @@ static inline PCIDevice *pci_dev_find_by_addr(PCIBus *bus, uint32_t addr)
     uint8_t bus_num = addr >> 16;
     uint8_t devfn = addr >> 8;
 
-    return pci_find_device(bus, bus_num, PCI_SLOT(devfn), PCI_FUNC(devfn));
+    return pci_find_device(bus, bus_num, devfn);
 }
 
 void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len)
diff --git a/hw/pcie_host.c b/hw/pcie_host.c
index 21069eed83..b7498656f2 100644
--- a/hw/pcie_host.c
+++ b/hw/pcie_host.c
@@ -49,8 +49,7 @@ static inline PCIDevice *pcie_dev_find_by_mmcfg_addr(PCIBus *s,
                                                      uint32_t mmcfg_addr)
 {
     return pci_find_device(s, PCIE_MMCFG_BUS(mmcfg_addr),
-                           PCI_SLOT(PCIE_MMCFG_DEVFN(mmcfg_addr)),
-                           PCI_FUNC(PCIE_MMCFG_DEVFN(mmcfg_addr)));
+                           PCIE_MMCFG_DEVFN(mmcfg_addr));
 }
 
 static void pcie_mmcfg_data_write(PCIBus *s,