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-rw-r--r--drivers/acpi/acpica/actables.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index 7e0b6f1bec9c..58497b7e3347 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -164,4 +164,6 @@ acpi_tb_install_fixed_table(acpi_physical_address address,
acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
+u8 acpi_is_valid_signature(char *signature);
+
#endif /* __ACTABLES_H__ */