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path: root/drivers/net/wireless/mediatek/mt76/mcu.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mcu.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mcu.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c
index 2a976688804d..4048f446e3ee 100644
--- a/drivers/net/wireless/mediatek/mt76/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mcu.c
@@ -9,14 +9,16 @@ struct sk_buff *
mt76_mcu_msg_alloc(const void *data, int head_len,
int data_len, int tail_len)
{
+ int length = head_len + data_len + tail_len;
struct sk_buff *skb;
- skb = alloc_skb(head_len + data_len + tail_len,
- GFP_KERNEL);
+ skb = alloc_skb(length, GFP_KERNEL);
if (!skb)
return NULL;
+ memset(skb->head, 0, length);
skb_reserve(skb, head_len);
+
if (data && data_len)
skb_put_data(skb, data, data_len);
@@ -24,7 +26,6 @@ mt76_mcu_msg_alloc(const void *data, int head_len,
}
EXPORT_SYMBOL_GPL(mt76_mcu_msg_alloc);
-/* mmio */
struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
unsigned long expires)
{
@@ -34,16 +35,17 @@ struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
return NULL;
timeout = expires - jiffies;
- wait_event_timeout(dev->mmio.mcu.wait,
- !skb_queue_empty(&dev->mmio.mcu.res_q),
+ wait_event_timeout(dev->mcu.wait,
+ (!skb_queue_empty(&dev->mcu.res_q) ||
+ test_bit(MT76_MCU_RESET, &dev->phy.state)),
timeout);
- return skb_dequeue(&dev->mmio.mcu.res_q);
+ return skb_dequeue(&dev->mcu.res_q);
}
EXPORT_SYMBOL_GPL(mt76_mcu_get_response);
void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb)
{
- skb_queue_tail(&dev->mmio.mcu.res_q, skb);
- wake_up(&dev->mmio.mcu.wait);
+ skb_queue_tail(&dev->mcu.res_q, skb);
+ wake_up(&dev->mcu.wait);
}
EXPORT_SYMBOL_GPL(mt76_mcu_rx_event);