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-rw-r--r--arch/ia64/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 4f9a6661491b..76d25b2cfbbe 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -15,6 +15,7 @@ config IA64
select ARCH_MIGHT_HAVE_PC_SERIO
select PCI if (!IA64_HP_SIM)
select ACPI if (!IA64_HP_SIM)
+ select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_IDE
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