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-rw-r--r--include/acpi/actbl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index cb8a6b97ceda..2d5faf508cad 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -65,6 +65,7 @@
#define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
#define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
+#define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */
#define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */