diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mcu.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c index f4c38ec78654..0fd71a97a197 100644 --- a/drivers/net/wireless/mediatek/mt76/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mcu.c @@ -34,3 +34,20 @@ mt76_mcu_msg_alloc(const void *data, int head_len, return skb; } EXPORT_SYMBOL_GPL(mt76_mcu_msg_alloc); + +/* mmio */ +struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev, + unsigned long expires) +{ + unsigned long timeout; + + if (!time_is_after_jiffies(expires)) + return NULL; + + timeout = expires - jiffies; + wait_event_timeout(dev->mmio.mcu.wait, + !skb_queue_empty(&dev->mmio.mcu.res_q), + timeout); + return skb_dequeue(&dev->mmio.mcu.res_q); +} +EXPORT_SYMBOL_GPL(mt76_mcu_get_response); |