1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 2ea4c59e8838..baa5fc05e124 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -430,7 +430,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
         ACPI_FLUSH_CPU_CACHE();
 
-        status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+        status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
                                     (u32) acpi_gbl_FADT.S4bios_request, 8);
 
         do {