From: Graeme Gregory <redacted>

With the addition of ARM64 that does not have a traditional BIOS to
scan, add a config option which is selected on x86 and ia64 to do
the traditional BIOS scanning for tables.

Signed-off-by: Graeme Gregory <redacted>
Signed-off-by: Hanjun Guo <redacted>
---
 arch/ia64/Kconfig    |    1 +
 arch/x86/Kconfig     |    1 +
 drivers/acpi/Kconfig |    3 +++
 drivers/acpi/osl.c   |    4 +++-
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 2f3abcf..c54bd7e 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig

@@ -47,6 +47,7 @@ config IA64
 	select MODULES_USE_ELF_RELA
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select HAVE_ARCH_AUDITSYSCALL
+	select ACPI_LEGACY_TABLES_LOOKUP if ACPI
 	default y
 	help
 	  The Itanium Processor Family is Intel's 64-bit successor to