diff options
Diffstat (limited to 'drivers/cpuidle')
-rw-r--r-- | drivers/cpuidle/governors/ladder.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c index 27ab3bfe375b..a4bec3f919aa 100644 --- a/drivers/cpuidle/governors/ladder.c +++ b/drivers/cpuidle/governors/ladder.c | |||
@@ -99,6 +99,18 @@ static int ladder_select_state(struct cpuidle_device *dev) | |||
99 | 99 | ||
100 | /* consider demotion */ | 100 | /* consider demotion */ |
101 | if (last_idx > CPUIDLE_DRIVER_STATE_START && | 101 | if (last_idx > CPUIDLE_DRIVER_STATE_START && |
102 | dev->states[last_idx].exit_latency > latency_req) { | ||
103 | int i; | ||
104 | |||
105 | for (i = last_idx - 1; i > CPUIDLE_DRIVER_STATE_START; i--) { | ||
106 | if (dev->states[i].exit_latency <= latency_req) | ||
107 | break; | ||
108 | } | ||
109 | ladder_do_selection(ldev, last_idx, i); | ||
110 | return i; | ||
111 | } | ||
112 | |||
113 | if (last_idx > CPUIDLE_DRIVER_STATE_START && | ||
102 | last_residency < last_state->threshold.demotion_time) { | 114 | last_residency < last_state->threshold.demotion_time) { |
103 | last_state->stats.demotion_count++; | 115 | last_state->stats.demotion_count++; |
104 | last_state->stats.promotion_count = 0; | 116 | last_state->stats.promotion_count = 0; |