arm64: enable generic idle loop

Enable generic idle loop for ARM64, so can support for hlt/nohlt
command line options to override default idle loop behavior.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7d95663..8b6e378 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -32,6 +32,7 @@ config ARM64
        select GENERIC_CLOCKEVENTS_BROADCAST
        select GENERIC_CPU_AUTOPROBE
        select GENERIC_EARLY_IOREMAP
+       select GENERIC_IDLE_POLL_SETUP
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
        select GENERIC_IRQ_SHOW_LEVEL