diff options
Diffstat (limited to 'drivers/cpuidle/poll_state.c')
| -rw-r--r-- | drivers/cpuidle/poll_state.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index 3f86d23c592e..85792d371add 100644 --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -9,7 +9,6 @@ #include <linux/sched/clock.h> #include <linux/sched/idle.h> -#define POLL_IDLE_TIME_LIMIT (TICK_NSEC / 16) #define POLL_IDLE_RELAX_COUNT 200 static int __cpuidle poll_idle(struct cpuidle_device *dev, @@ -17,8 +16,11 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, { u64 time_start = local_clock(); + dev->poll_time_limit = false; + local_irq_enable(); if (!current_set_polling_and_test()) { + u64 limit = (u64)drv->states[1].target_residency * NSEC_PER_USEC; unsigned int loop_count = 0; while (!need_resched()) { @@ -27,8 +29,10 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, continue; loop_count = 0; - if (local_clock() - time_start > POLL_IDLE_TIME_LIMIT) + if (local_clock() - time_start > limit) { + dev->poll_time_limit = true; break; + } } } current_clr_polling(); |