mt76: add mt76x02_mac_start routine

Introduce mt76x02_mac_start since the mac start code is shared between
mt76x0e and mt76x2 drivers.
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c

@@ -146,3 +146,16 @@ void mt76x02_dma_disable(struct mt76_dev *dev)
 	__mt76_wr(dev, MT_WPDMA_GLO_CFG, val);
 }
 EXPORT_SYMBOL_GPL(mt76x02_dma_disable);
+
+void mt76x02_mac_start(struct mt76_dev *dev)
+{
+	mt76x02_dma_enable(dev);
+	__mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+	__mt76_wr(dev, MT_MAC_SYS_CTRL,
+		  MT_MAC_SYS_CTRL_ENABLE_TX |
+		  MT_MAC_SYS_CTRL_ENABLE_RX);
+	mt76x02_irq_enable(dev,
+			   MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
+			   MT_INT_TX_STAT);
+}
+EXPORT_SYMBOL_GPL(mt76x02_mac_start);

drivers/net/wireless/mediatek/mt76/mt76x02_util.h

@@ -55,6 +55,7 @@ bool mt76x02_tx_status_data(struct mt76_dev *dev, u8 *update);
 extern const u16 mt76x02_beacon_offsets[16];
 void mt76x02_set_beacon_offsets(struct mt76_dev *dev);
 void mt76x02_set_irq_mask(struct mt76_dev *dev, u32 clear, u32 set);
+void mt76x02_mac_start(struct mt76_dev *dev);
 
 static inline void mt76x02_irq_enable(struct mt76_dev *dev, u32 mask)
 {

drivers/net/wireless/mediatek/mt76/mt76x2_init.c

@@ -188,17 +188,7 @@ int mt76x2_mac_start(struct mt76x2_dev *dev)
 		mt76_rr(dev, MT_TX_STAT_FIFO);
 
 	memset(dev->aggr_stats, 0, sizeof(dev->aggr_stats));
-
-	mt76x02_dma_enable(&dev->mt76);
-	mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
-
-	mt76_wr(dev, MT_MAC_SYS_CTRL,
-		MT_MAC_SYS_CTRL_ENABLE_TX |
-		MT_MAC_SYS_CTRL_ENABLE_RX);
-
-	mt76x02_irq_enable(&dev->mt76,
-			   MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
-			   MT_INT_TX_STAT);
+	mt76x02_mac_start(&dev->mt76);
 
 	return 0;
 }