mt76: mt7921: return proper error value in mt7921_mac_init

Return possible error values in mt7921_mac_init routine
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/init.c

@@ -108,7 +108,7 @@ mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
 	mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
 }
 
-void mt7921_mac_init(struct mt7921_dev *dev)
+int mt7921_mac_init(struct mt7921_dev *dev)
 {
 	int i;
 
@@ -124,7 +124,7 @@ void mt7921_mac_init(struct mt7921_dev *dev)
 	for (i = 0; i < 2; i++)
 		mt7921_mac_init_band(dev, i);
 
-	mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
+	return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
 }
 
 static int mt7921_init_hardware(struct mt7921_dev *dev)
@@ -164,9 +164,7 @@ static int mt7921_init_hardware(struct mt7921_dev *dev)
 	dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
 	rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
 
-	mt7921_mac_init(dev);
-
-	return 0;
+	return mt7921_mac_init(dev);
 }
 
 int mt7921_register_device(struct mt7921_dev *dev)

drivers/net/wireless/mediatek/mt76/mt7921/mac.c

@@ -1298,7 +1298,10 @@ mt7921_mac_reset(struct mt7921_dev *dev)
 	if (err)
 		return err;
 
-	mt7921_mac_init(dev);
+	err = mt7921_mac_init(dev);
+	if (err)
+		return err;
+
 	return __mt7921_start(&dev->phy);
 }
 

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

@@ -319,7 +319,7 @@ static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
 	return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
 }
 
-void mt7921_mac_init(struct mt7921_dev *dev);
+int mt7921_mac_init(struct mt7921_dev *dev);
 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
 void mt7921_mac_reset_counters(struct mt7921_phy *phy);
 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,