1 files changed, 3 insertions, 7 deletions

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 1d6f5ea522f4..facd4240ca02 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -62,12 +62,6 @@
  */
 struct secondary_data secondary_data;
 
-/*
- * control for which core is the next to come out of the secondary
- * boot "holding pen"
- */
-volatile int pen_release = -1;
-
 enum ipi_msg_type {
         IPI_WAKEUP,
         IPI_TIMER,
@@ -604,8 +598,10 @@ static void ipi_cpu_stop(unsigned int cpu)
         local_fiq_disable();
         local_irq_disable();
 
-        while (1)
+        while (1) {
                 cpu_relax();
+                wfe();
+        }
 }
 
 static DEFINE_PER_CPU(struct completion *, cpu_completion);