evie/android_kernel_oneplus_msm8998
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Merge "soc: qcom: use interruptible wait_for_completion API"

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Linux Build Service Account 2016-10-25 18:31:04 -07:00 • committed by Gerrit - the friendly Code Review server
commit 9f8e4e930a
1 changed files with 9 additions and 6 deletions
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15
drivers/soc/qcom/wcd-dsp-glink.c
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@ -216,9 +216,9 @@ static bool wdsp_glink_notify_rx_intent_req(void *handle, const void *priv,
mutex_lock(&ch->mutex);
rc = glink_queue_rx_intent(ch->handle, ch, req_size);
if (IS_ERR_VALUE(ret)) {
dev_err(wpriv->dev, "%s: Failed to queue rx intent\n",
__func__);
if (IS_ERR_VALUE(rc)) {
dev_err(wpriv->dev, "%s: Failed to queue rx intent, rc = %d\n",
__func__, rc);
mutex_unlock(&ch->mutex);
goto done;
}
@ -659,10 +659,13 @@ static ssize_t wdsp_glink_read(struct file *file, char __user *buf,
count = WDSP_MAX_READ_SIZE;
}
/*
* This is unblocked only from glink rx notification callback
* or from flush API.
* Complete signal has given from glink rx notification callback
* or from flush API. Also use interruptible wait_for_completion API
* to allow the system to go in suspend.
*/
wait_for_completion(&wpriv->rsp_complete);
ret = wait_for_completion_interruptible(&wpriv->rsp_complete);
if (ret)
goto done;
mutex_lock(&wpriv->rsp_mutex);
if (wpriv->rsp_cnt) {