According to commit e022e7eb9, the .enter == NULL is the last one in
state_tables[].
So just like intel_idle_cpuidle_driver_init(), in case of .enter == NULL,
breaking the for(;;) loop directly.
Signed-off-by: liu chuansheng <chuansheng....@intel.com>
---
drivers/idle/intel_idle.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5d66750..17c9cf9 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -610,7 +610,7 @@ static int intel_idle_cpu_init(int cpu)
int num_substates, mwait_hint, mwait_cstate, mwait_substate;
if (cpuidle_state_table[cstate].enter == NULL)
- continue;
+ break;
if (cstate + 1 > max_cstate) {
printk(PREFIX "max_cstate %d reached\n", max_cstate);
--
1.7.0.4
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