diff options
Diffstat (limited to 'drivers/usb/dwc3/dwc3-msm.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-msm.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/dwc3-msm.c b/drivers/usb/dwc3/dwc3-msm.c index ad9d6cc4e23f..4ed46d9ca279 100644 --- a/drivers/usb/dwc3/dwc3-msm.c +++ b/drivers/usb/dwc3/dwc3-msm.c @@ -3321,16 +3321,19 @@ static void msm_dwc3_perf_vote_work(struct work_struct *w) struct dwc3_msm *mdwc = container_of(w, struct dwc3_msm, perf_vote_work.work); struct dwc3 *dwc = platform_get_drvdata(mdwc->dwc3); - static unsigned long last_irq_cnt; bool in_perf_mode = false; + int latency = mdwc->pm_qos_latency; + + if (!latency) + return; - if (dwc->irq_cnt - last_irq_cnt >= PM_QOS_THRESHOLD) + if (dwc->irq_cnt - dwc->last_irq_cnt >= PM_QOS_THRESHOLD) in_perf_mode = true; pr_debug("%s: in_perf_mode:%u, interrupts in last sample:%lu\n", - __func__, in_perf_mode, (dwc->irq_cnt - last_irq_cnt)); + __func__, in_perf_mode, (dwc->irq_cnt - dwc->last_irq_cnt)); - last_irq_cnt = dwc->irq_cnt; + dwc->last_irq_cnt = dwc->irq_cnt; msm_dwc3_perf_vote_update(mdwc, in_perf_mode); schedule_delayed_work(&mdwc->perf_vote_work, msecs_to_jiffies(1000 * PM_QOS_SAMPLE_SEC)); |