mt76: mmio: add implementation of wr_rp and rd_rp

Introduce mmio implementation of mt76_mmio_rd_rp and
mt76_mmio_wr_rp and remove mt76x2 duplicated code.
mt76_mmio_{wr,rd}_rp allows to reuse mt76x0 init code
adding mt76x0e support
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -46,6 +46,30 @@ static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
 	__iowrite32_copy(dev->mmio.regs + offset, data, len >> 2);
 }
 
+static int mt76_mmio_wr_rp(struct mt76_dev *dev, u32 base,
+			   const struct mt76_reg_pair *data, int len)
+{
+	while (len > 0) {
+		mt76_mmio_wr(dev, data->reg, data->value);
+		data++;
+		len--;
+	}
+
+	return 0;
+}
+
+static int mt76_mmio_rd_rp(struct mt76_dev *dev, u32 base,
+			   struct mt76_reg_pair *data, int len)
+{
+	while (len > 0) {
+		data->value = mt76_mmio_rr(dev, data->reg);
+		data++;
+		len--;
+	}
+
+	return 0;
+}
+
 void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
 {
 	static const struct mt76_bus_ops mt76_mmio_ops = {
@@ -53,6 +77,8 @@ void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
 		.rmw = mt76_mmio_rmw,
 		.wr = mt76_mmio_wr,
 		.copy = mt76_mmio_copy,
+		.wr_rp = mt76_mmio_wr_rp,
+		.rd_rp = mt76_mmio_rd_rp,
 	};
 
 	dev->bus = &mt76_mmio_ops;

drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c

@@ -62,17 +62,6 @@ void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable)
 }
 EXPORT_SYMBOL_GPL(mt76x2_reset_wlan);
 
-static void
-mt76x2_write_reg_pairs(struct mt76x2_dev *dev,
-		       const struct mt76_reg_pair *data, int len)
-{
-	while (len > 0) {
-		mt76_wr(dev, data->reg, data->value);
-		len--;
-		data++;
-	}
-}
-
 void mt76_write_mac_initvals(struct mt76x2_dev *dev)
 {
 #define DEFAULT_PROT_CFG_CCK				\
@@ -164,8 +153,8 @@ void mt76_write_mac_initvals(struct mt76x2_dev *dev)
 		{ MT_GF40_PROT_CFG,		DEFAULT_PROT_CFG_40 },
 	};
 
-	mt76x2_write_reg_pairs(dev, vals, ARRAY_SIZE(vals));
-	mt76x2_write_reg_pairs(dev, prot_vals, ARRAY_SIZE(prot_vals));
+	mt76_wr_rp(dev, 0, vals, ARRAY_SIZE(vals));
+	mt76_wr_rp(dev, 0, prot_vals, ARRAY_SIZE(prot_vals));
 }
 EXPORT_SYMBOL_GPL(mt76_write_mac_initvals);