mt76x0: init: simplify mt76x0_init_mac_registers

Simplify mt76x0_init_mac_registers routine using mt76_set, mt76_clear
and mt76_rmw utility routines
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x0/init.c

@@ -133,8 +133,6 @@ static int mt76x0_init_bbp(struct mt76x02_dev *dev)
 
 static void mt76x0_init_mac_registers(struct mt76x02_dev *dev)
 {
-	u32 reg;
-
 	RANDOM_WRITE(dev, common_mac_reg_table);
 
 	mt76x02_set_beacon_offsets(dev);
@@ -143,27 +141,22 @@ static void mt76x0_init_mac_registers(struct mt76x02_dev *dev)
 	RANDOM_WRITE(dev, mt76x0_mac_reg_table);
 
 	/* Release BBP and MAC reset MAC_SYS_CTRL[1:0] = 0x0 */
-	reg = mt76_rr(dev, MT_MAC_SYS_CTRL);
-	reg &= ~0x3;
-	mt76_wr(dev, MT_MAC_SYS_CTRL, reg);
+	mt76_clear(dev, MT_MAC_SYS_CTRL, 0x3);
 
 	/* Set 0x141C[15:12]=0xF */
-	reg = mt76_rr(dev, MT_EXT_CCA_CFG);
-	reg |= 0x0000F000;
-	mt76_wr(dev, MT_EXT_CCA_CFG, reg);
+	mt76_set(dev, MT_EXT_CCA_CFG, 0xf000);
 
 	mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN);
 
 	/*
-		TxRing 9 is for Mgmt frame.
-		TxRing 8 is for In-band command frame.
-		WMM_RG0_TXQMA: This register setting is for FCE to define the rule of TxRing 9.
-		WMM_RG1_TXQMA: This register setting is for FCE to define the rule of TxRing 8.
-	*/
-	reg = mt76_rr(dev, MT_WMM_CTRL);
-	reg &= ~0x000003FF;
-	reg |= 0x00000201;
-	mt76_wr(dev, MT_WMM_CTRL, reg);
+	 * tx_ring 9 is for mgmt frame
+	 * tx_ring 8 is for in-band command frame.
+	 * WMM_RG0_TXQMA: this register setting is for FCE to
+	 *		  define the rule of tx_ring 9
+	 * WMM_RG1_TXQMA: this register setting is for FCE to
+	 *		  define the rule of tx_ring 8
+	 */
+	mt76_rmw(dev, MT_WMM_CTRL, 0x3ff, 0x201);
 }
 
 static int mt76x0_init_wcid_mem(struct mt76x02_dev *dev)