diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index c4cfb75020..418ec4ee56 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -497,9 +497,9 @@ static void piix4_pm_realize(PCIDevice *dev, Error **errp)
     piix4_pm_add_properties(s);
 }
 
-PIIX4PMState *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
-                            qemu_irq sci_irq, qemu_irq smi_irq,
-                            bool smm_enabled)
+PIIX4PMState *piix4_pm_initfn(PCIBus *bus, int devfn, uint32_t smb_io_base,
+                              qemu_irq sci_irq, qemu_irq smi_irq,
+                              bool smm_enabled)
 {
     PCIDevice *pci_dev;
     DeviceState *dev;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 3359b40f54..fde0fdc088 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -283,9 +283,9 @@ static void pc_init1(MachineState *machine,
         PIIX4PMState *piix4_pm;
 
         smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
-        piix4_pm = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
-                                 x86ms->gsi[9], smi_irq,
-                                 x86_machine_is_smm_enabled(x86ms));
+        piix4_pm = piix4_pm_initfn(pci_bus, piix3_devfn + 3, 0xb100,
+                                   x86ms->gsi[9], smi_irq,
+                                   x86_machine_is_smm_enabled(x86ms));
         pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c"));
         /* TODO: Populate SPD eeprom data.  */
         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index 7d9bedd1bb..33a7015ea3 100644
--- a/hw/isa/piix4.c
+++ b/hw/isa/piix4.c
@@ -311,9 +311,9 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
 
     pci_create_simple(pci_bus, devfn + 2, "piix4-usb-uhci");
     if (smbus) {
-        pms = piix4_pm_init(pci_bus, devfn + 3, 0x1100,
-                            qdev_get_gpio_in_named(dev, "isa", 9),
-                            NULL, 0);
+        pms = piix4_pm_initfn(pci_bus, devfn + 3, 0x1100,
+                              qdev_get_gpio_in_named(dev, "isa", 9),
+                              NULL, 0);
         *smbus = I2C_BUS(qdev_get_child_bus(DEVICE(pms), "i2c"));
     }
 
diff --git a/include/hw/southbridge/piix.h b/include/hw/southbridge/piix.h
index a362ec7484..f75a4adf5f 100644
--- a/include/hw/southbridge/piix.h
+++ b/include/hw/southbridge/piix.h
@@ -16,9 +16,9 @@
 #include "qom/object.h"
 #include "hw/acpi/piix4.h"
 
-PIIX4PMState *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
-                            qemu_irq sci_irq, qemu_irq smi_irq,
-                            bool smm_enabled);
+PIIX4PMState *piix4_pm_initfn(PCIBus *bus, int devfn, uint32_t smb_io_base,
+                              qemu_irq sci_irq, qemu_irq smi_irq,
+                              bool smm_enabled);
 
 /* PIRQRC[A:D]: PIRQx Route Control Registers */
 #define PIIX_PIRQCA 0x60