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-rw-r--r--include/acpi/acpixf.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 821095ce5af7..445fd1e1688c 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -200,6 +200,15 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
/*
+ * Optionally use 32-bit FACS table addresses.
+ * It is reported that some platforms fail to resume from system suspending
+ * if 64-bit FACS table address is selected:
+ * https://bugzilla.kernel.org/show_bug.cgi?id=74021
+ * Default is TRUE, favor the 32-bit addresses.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
+
+/*
* Optionally truncate I/O addresses to 16 bits. Provides compatibility
* with other ACPI implementations. NOTE: During ACPICA initialization,
* this value is set to TRUE if any Windows OSI strings have been