Make it explicit the following are ICH9 specific:
  acpi_pm_tco_init()  -> ich9_acpi_pm_tco_init()
  vmstate_tco_io_sts  -> vmstate_ich9_sm_tco.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/acpi/ich9_tco.h | 5 ++---
 hw/acpi/ich9.c             | 4 ++--
 hw/acpi/ich9_tco.c         | 4 ++--
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/include/hw/acpi/ich9_tco.h b/include/hw/acpi/ich9_tco.h
index 2562a7cf39..1c99781a79 100644
--- a/include/hw/acpi/ich9_tco.h
+++ b/include/hw/acpi/ich9_tco.h
@@ -75,9 +75,8 @@ typedef struct TCOIORegs {
     MemoryRegion io;
 } TCOIORegs;
 
-/* tco.c */
-void acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent);
+void ich9_acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent);
 
-extern const VMStateDescription vmstate_tco_io_sts;
+extern const VMStateDescription vmstate_ich9_sm_tco;
 
 #endif /* HW_ACPI_TCO_H */
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 228ebc9a1e..660fa6a082 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -186,7 +186,7 @@ static const VMStateDescription vmstate_tco_io_state = {
     .minimum_version_id = 1,
     .needed = vmstate_test_use_tco,
     .fields = (const VMStateField[]) {
-        VMSTATE_STRUCT(tco_regs, ICH9LPCPMRegs, 1, vmstate_tco_io_sts,
+        VMSTATE_STRUCT(tco_regs, ICH9LPCPMRegs, 1, vmstate_ich9_sm_tco,
                        TCOIORegs),
         VMSTATE_END_OF_LIST()
     }
@@ -317,7 +317,7 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_irq sci_irq)
     memory_region_add_subregion(&pm->io, ICH9_PMIO_SMI_EN, &pm->io_smi);
 
     if (pm->enable_tco) {
-        acpi_pm_tco_init(&pm->tco_regs, &pm->io);
+        ich9_acpi_pm_tco_init(&pm->tco_regs, &pm->io);
     }
 
     if (pm->acpi_pci_hotplug.use_acpi_hotplug_bridge) {
diff --git a/hw/acpi/ich9_tco.c b/hw/acpi/ich9_tco.c
index 81606219f7..dd4aff82e0 100644
--- a/hw/acpi/ich9_tco.c
+++ b/hw/acpi/ich9_tco.c
@@ -224,7 +224,7 @@ static const MemoryRegionOps tco_io_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
-void acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent)
+void ich9_acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent)
 {
     *tr = (TCOIORegs) {
         .tco = {
@@ -250,7 +250,7 @@ void acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent)
     memory_region_add_subregion(parent, ICH9_PMIO_TCO_RLD, &tr->io);
 }
 
-const VMStateDescription vmstate_tco_io_sts = {
+const VMStateDescription vmstate_ich9_sm_tco = {
     .name = "tco io device status",
     .version_id = 1,
     .minimum_version_id = 1,
-- 
2.41.0