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path: root/drivers/acpi/acpica/hwsleep.c
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Diffstat (limited to 'drivers/acpi/acpica/hwsleep.c')
-rw-r--r--drivers/acpi/acpica/hwsleep.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 51868f48159c..26e249e69ead 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -90,6 +90,7 @@ acpi_set_firmware_waking_vector(u32 physical_address)
ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
+#if ACPI_MACHINE_WIDTH == 64
/*******************************************************************************
*
* FUNCTION: acpi_set_firmware_waking_vector64
@@ -100,7 +101,8 @@ ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
* RETURN: Status
*
* DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if
- * it exists in the table.
+ * it exists in the table. This function is intended for use with
+ * 64-bit host operating systems.
*
******************************************************************************/
acpi_status
@@ -124,6 +126,7 @@ acpi_set_firmware_waking_vector64(u64 physical_address)
}
ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64)
+#endif
/*******************************************************************************
*
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