+ if (!acpi_gbl_FADT.smi_command || !acpi_gbl_FADT.pstate_control)
+ return 0;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Writing pstate_control [0x%x] to smi_command [0x%x]\n",
+ acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command));
+
+ status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+ (u32)acpi_gbl_FADT.pstate_control, 8);
+ if (ACPI_SUCCESS(status))
+ return 1;
+
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Failed to write pstate_control [0x%x] to smi_command [0x%x]",
+ acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command));
+ return -EIO;
+}
+
+int acpi_processor_notify_smm(struct module *calling_module)
+{
+ static int is_done = 0;
+ int result;