mt76: move mt76_tx_tasklet in mt76 module

Move mt76{15,03}_tx_tasklet in mt76_alloc_device in order to be used as
default tx_tasklet initialization. Remove duplicated code in
mt7603/mt7615 drivers
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mac80211.c

@@ -283,6 +283,8 @@ mt76_alloc_device(struct device *pdev, unsigned int size,
 	init_waitqueue_head(&dev->tx_wait);
 	skb_queue_head_init(&dev->status_list);
 
+	tasklet_init(&dev->tx_tasklet, mt76_tx_tasklet, (unsigned long)dev);
+
 	return dev;
 }
 EXPORT_SYMBOL_GPL(mt76_alloc_device);

drivers/net/wireless/mediatek/mt76/mt76.h

@@ -708,6 +708,7 @@ void mt76_stop_tx_queues(struct mt76_dev *dev, struct ieee80211_sta *sta,
 			 bool send_bar);
 void mt76_txq_schedule(struct mt76_dev *dev, enum mt76_txq_id qid);
 void mt76_txq_schedule_all(struct mt76_dev *dev);
+void mt76_tx_tasklet(unsigned long data);
 void mt76_release_buffered_frames(struct ieee80211_hw *hw,
 				  struct ieee80211_sta *sta,
 				  u16 tids, int nframes,

drivers/net/wireless/mediatek/mt76/mt7603/dma.c

@@ -135,14 +135,6 @@ mt7603_init_rx_queue(struct mt7603_dev *dev, struct mt76_queue *q,
 	return 0;
 }
 
-static void
-mt7603_tx_tasklet(unsigned long data)
-{
-	struct mt7603_dev *dev = (struct mt7603_dev *)data;
-
-	mt76_txq_schedule_all(&dev->mt76);
-}
-
 static int mt7603_poll_tx(struct napi_struct *napi, int budget)
 {
 	struct mt7603_dev *dev;
@@ -181,9 +173,6 @@ int mt7603_dma_init(struct mt7603_dev *dev)
 	init_waitqueue_head(&dev->mt76.mmio.mcu.wait);
 	skb_queue_head_init(&dev->mt76.mmio.mcu.res_q);
 
-	tasklet_init(&dev->mt76.tx_tasklet, mt7603_tx_tasklet,
-		     (unsigned long)dev);
-
 	mt76_clear(dev, MT_WPDMA_GLO_CFG,
 		   MT_WPDMA_GLO_CFG_TX_DMA_EN |
 		   MT_WPDMA_GLO_CFG_RX_DMA_EN |

drivers/net/wireless/mediatek/mt76/mt7615/dma.c

@@ -90,13 +90,6 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
 	}
 }
 
-static void mt7615_tx_tasklet(unsigned long data)
-{
-	struct mt7615_dev *dev = (struct mt7615_dev *)data;
-
-	mt76_txq_schedule_all(&dev->mt76);
-}
-
 static int mt7615_poll_tx(struct napi_struct *napi, int budget)
 {
 	static const u8 queue_map[] = {
@@ -128,9 +121,6 @@ int mt7615_dma_init(struct mt7615_dev *dev)
 
 	mt76_dma_attach(&dev->mt76);
 
-	tasklet_init(&dev->mt76.tx_tasklet, mt7615_tx_tasklet,
-		     (unsigned long)dev);
-
 	mt76_wr(dev, MT_WPDMA_GLO_CFG,
 		MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE |
 		MT_WPDMA_GLO_CFG_FIFO_LITTLE_ENDIAN |

drivers/net/wireless/mediatek/mt76/tx.c

@@ -557,6 +557,13 @@ void mt76_txq_schedule_all(struct mt76_dev *dev)
 }
 EXPORT_SYMBOL_GPL(mt76_txq_schedule_all);
 
+void mt76_tx_tasklet(unsigned long data)
+{
+	struct mt76_dev *dev = (struct mt76_dev *)data;
+
+	mt76_txq_schedule_all(dev);
+}
+
 void mt76_stop_tx_queues(struct mt76_dev *dev, struct ieee80211_sta *sta,
 			 bool send_bar)
 {