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-rw-r--r--drivers/acpi/utilities/utxface.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index c198a4d4058..7ca8952eb1b 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -45,6 +45,7 @@
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
#include <acpi/acdebug.h>
+#include <acpi/actables.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utxface")
@@ -148,6 +149,16 @@ acpi_status acpi_enable_subsystem(u32 flags)
}
/*
+ * Obtain a permanent mapping for the FACS. This is required for the
+ * Global Lock and the Firmware Waking Vector
+ */
+ status = acpi_tb_initialize_facs();
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
+ return_ACPI_STATUS(status);
+ }
+
+ /*
* Install the default op_region handlers. These are installed unless
* other handlers have already been installed via the
* install_address_space_handler interface.