riscv: Enable idle generic idle loop

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

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 1fc5a95..95cb9ef 100644 (file)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -48,6 +48,7 @@ config RISCV
        select GENERIC_CLOCKEVENTS_BROADCAST if SMP
        select GENERIC_EARLY_IOREMAP
        select GENERIC_GETTIMEOFDAY if HAVE_GENERIC_VDSO
+       select GENERIC_IDLE_POLL_SETUP
        select GENERIC_IOREMAP
        select GENERIC_IRQ_MULTI_HANDLER
        select GENERIC_IRQ_SHOW