ACPICA: Tables: Enable both 32-bit and 64-bit FACS

[karo-tx-linux.git] / include / acpi / acpixf.h

diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 821095ce5af76a23426c280ad5c556b25e0e5c20..445fd1e1688c986a6b8721b0d2f64bdb2d1ec512 100644 (file)
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -199,6 +199,15 @@ 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,