diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c | 69 |
1 files changed, 9 insertions, 60 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c index b7f4edb729e3..4752c104abf3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c @@ -21,70 +21,13 @@ #include "mt76x02_mcu.h" -static struct sk_buff *mt76x02_mcu_msg_alloc(const void *data, int len) -{ - struct sk_buff *skb; - - skb = alloc_skb(len, GFP_KERNEL); - if (!skb) - return NULL; - memcpy(skb_put(skb, len), data, len); - - return skb; -} - -static struct sk_buff * -mt76x02_mcu_get_response(struct mt76x02_dev *dev, unsigned long expires) -{ - unsigned long timeout; - - if (!time_is_after_jiffies(expires)) - return NULL; - - timeout = expires - jiffies; - wait_event_timeout(dev->mt76.mmio.mcu.wait, - !skb_queue_empty(&dev->mt76.mmio.mcu.res_q), - timeout); - return skb_dequeue(&dev->mt76.mmio.mcu.res_q); -} - -static int -mt76x02_tx_queue_mcu(struct mt76x02_dev *dev, enum mt76_txq_id qid, - struct sk_buff *skb, int cmd, int seq) -{ - struct mt76_queue *q = &dev->mt76.q_tx[qid]; - struct mt76_queue_buf buf; - dma_addr_t addr; - u32 tx_info; - - tx_info = MT_MCU_MSG_TYPE_CMD | - FIELD_PREP(MT_MCU_MSG_CMD_TYPE, cmd) | - FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) | - FIELD_PREP(MT_MCU_MSG_PORT, CPU_TX_PORT) | - FIELD_PREP(MT_MCU_MSG_LEN, skb->len); - - addr = dma_map_single(dev->mt76.dev, skb->data, skb->len, - DMA_TO_DEVICE); - if (dma_mapping_error(dev->mt76.dev, addr)) - return -ENOMEM; - - buf.addr = addr; - buf.len = skb->len; - - spin_lock_bh(&q->lock); - mt76_queue_add_buf(dev, q, &buf, 1, tx_info, skb, NULL); - mt76_queue_kick(dev, q); - spin_unlock_bh(&q->lock); - - return 0; -} - int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, int len, bool wait_resp) { struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); unsigned long expires = jiffies + HZ; struct sk_buff *skb; + u32 tx_info; int ret; u8 seq; @@ -98,7 +41,13 @@ int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, if (!seq) seq = ++mdev->mmio.mcu.msg_seq & 0xf; - ret = mt76x02_tx_queue_mcu(dev, MT_TXQ_MCU, skb, cmd, seq); + tx_info = MT_MCU_MSG_TYPE_CMD | + FIELD_PREP(MT_MCU_MSG_CMD_TYPE, cmd) | + FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) | + FIELD_PREP(MT_MCU_MSG_PORT, CPU_TX_PORT) | + FIELD_PREP(MT_MCU_MSG_LEN, skb->len); + + ret = mt76_tx_queue_skb_raw(dev, MT_TXQ_MCU, skb, tx_info); if (ret) goto out; @@ -106,7 +55,7 @@ int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data, u32 *rxfce; bool check_seq = false; - skb = mt76x02_mcu_get_response(dev, expires); + skb = mt76_mcu_get_response(&dev->mt76, expires); if (!skb) { dev_err(mdev->dev, "MCU message %d (seq %d) timed out\n", cmd, |