MIPS: cpuidle wait instruction state

Defines a macro intended to allow trivial use of the regular MIPS wait
instruction from cpuidle drivers, which may simply invoke the macro
within their array of states.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index 837ff27950bc..2879e2ed5192 100644
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -250,3 +250,14 @@ void arch_cpu_idle(void)
         else
                 local_irq_enable();
 }
+
+#ifdef CONFIG_CPU_IDLE
+
+int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
+                            struct cpuidle_driver *drv, int index)
+{
+        arch_cpu_idle();
+        return index;
+}
+
+#endif