mt76: mt7615: introduce mt7615_mcu_fill_msg

Introduce mt7615_mcu_fill_msg routine to initialize mcu messages.
mt7615_mcu_fill_msg will be reused adding mt7663u support
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -49,22 +49,20 @@ struct mt7615_fw_trailer {
 #define FW_START_OVERRIDE		BIT(0)
 #define FW_START_WORKING_PDA_CR4	BIT(2)
 
-static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
+void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
 			 int cmd, int *wait_seq)
 {
 	struct mt7615_mcu_txd *mcu_txd;
 	u8 seq, q_idx, pkt_fmt;
-	enum mt76_txq_id qid;
-	u32 val;
 	__le32 *txd;
+	u32 val;
 
 	seq = ++dev->mt76.mcu.msg_seq & 0xf;
 	if (!seq)
 		seq = ++dev->mt76.mcu.msg_seq & 0xf;
 
-	mcu_txd = (struct mt7615_mcu_txd *)skb_push(skb,
-		   sizeof(struct mt7615_mcu_txd));
-	memset(mcu_txd, 0, sizeof(struct mt7615_mcu_txd));
+	mcu_txd = (struct mt7615_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
+	memset(mcu_txd, 0, sizeof(*mcu_txd));
 
 	if (cmd != -MCU_CMD_FW_SCATTER) {
 		q_idx = MT_TX_MCU_PORT_RX_Q0;
@@ -73,7 +71,6 @@ static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
 		q_idx = MT_TX_MCU_PORT_RX_FWDL;
 		pkt_fmt = MT_TX_TYPE_FW;
 	}
-
 	txd = mcu_txd->txd;
 
 	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
@@ -104,7 +101,14 @@ static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
 
 	if (wait_seq)
 		*wait_seq = seq;
+}
+
+static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
+				 int cmd, int *wait_seq)
+{
+	enum mt76_txq_id qid;
 
+	mt7615_mcu_fill_msg(dev, skb, cmd, wait_seq);
 	if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
 		qid = MT_TXQ_MCU;
 	else

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -364,6 +364,8 @@ int mt7615_mcu_set_rts_thresh(struct mt7615_phy *phy, u32 val);
 int mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int band, int enter);
 int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index);
 void mt7615_mcu_exit(struct mt7615_dev *dev);
+void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
+			 int cmd, int *wait_seq);
 
 int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,