diff options
Diffstat (limited to 'syna_tcm2.c')
| -rw-r--r-- | syna_tcm2.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/syna_tcm2.c b/syna_tcm2.c index 20a987c..dcd10d2 100644 --- a/syna_tcm2.c +++ b/syna_tcm2.c @@ -1663,6 +1663,7 @@ static irqreturn_t syna_dev_interrupt_thread(int irq, void *data) { int retval; unsigned char code = 0; + bool force_complete_all = false; struct syna_tcm *tcm = data; struct custom_fw_status *status; struct syna_hw_attn_data *attn = &tcm->hw_if->bdata_attn; @@ -1676,8 +1677,13 @@ static irqreturn_t syna_dev_interrupt_thread(int irq, void *data) /* It is possible that interrupts were disabled while the handler is * executing, before acquiring the mutex. If so, simply return. */ - if (syna_set_bus_ref(tcm, SYNA_BUS_REF_IRQ, true) < 0) - goto exit; + if (syna_set_bus_ref(tcm, SYNA_BUS_REF_IRQ, true) < 0) { + if (tcm->pwr_state != PWR_ON || completion_done(&tcm_dev->msg_data.cmd_completion)) + goto exit; + + force_complete_all = true; + LOGI("There is pending cmd_completion.\n"); + } if (unlikely(gpio_get_value(attn->irq_gpio) != attn->irq_on_state)) goto exit; @@ -1805,6 +1811,8 @@ static irqreturn_t syna_dev_interrupt_thread(int irq, void *data) exit: syna_set_bus_ref(tcm, SYNA_BUS_REF_IRQ, false); + if (force_complete_all) + complete_all(&tcm_dev->msg_data.cmd_completion); cpu_latency_qos_update_request(&tcm->pm_qos_req, PM_QOS_DEFAULT_VALUE); ATRACE_END(); return IRQ_HANDLED; @@ -2470,7 +2478,6 @@ static int syna_dev_suspend(struct device *dev) if (tcm->tbn_register_mask) tbn_release_bus(tcm->tbn_register_mask); #endif - LOGI("Device suspended (pwr_state:%d), int_cnt:%llu\n", tcm->pwr_state, tcm->syna_hc.int_cnt); @@ -2657,10 +2664,12 @@ int syna_set_bus_ref(struct syna_tcm *tcm, u32 ref, bool enable) * IRQs can only keep the bus active. IRQs received while the * bus is transferred to AOC should be ignored. */ - if (ref == SYNA_BUS_REF_IRQ && tcm->bus_refmask == 0) - result = -EAGAIN; - else + if (ref == SYNA_BUS_REF_IRQ && tcm->bus_refmask == 0) { + mutex_unlock(&tcm->bus_mutex); + return -EAGAIN; + } else { tcm->bus_refmask |= ref; + } } else tcm->bus_refmask &= ~ref; syna_aggregate_bus_state(tcm); |