phy: qcom: qmp-usb-legacy: drop single-lane support

All PHYs supported by usb-legacy have two lanes. Drop support for
single-lane configuration.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad DYbcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240126-phy-qmp-merge-common-v2-1-a463d0b57836@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/qualcomm/phy-qcom-qmp-usb-legacy.c

@@ -507,8 +507,6 @@ struct qmp_usb_legacy_offsets {
 
 /* struct qmp_phy_cfg - per-PHY initialization config */
 struct qmp_phy_cfg {
-	int lanes;
-
 	const struct qmp_usb_legacy_offsets *offsets;
 
 	/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
@@ -621,8 +619,6 @@ static const char * const qmp_phy_vreg_l[] = {
 };
 
 static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
-	.lanes			= 2,
-
 	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
 	.tx_tbl			= qmp_v3_usb3_tx_tbl,
@@ -641,8 +637,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
 };
 
 static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
-	.lanes			= 2,
-
 	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
 	.tx_tbl			= qmp_v3_usb3_tx_tbl,
@@ -661,8 +655,6 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
 };
 
 static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
-	.lanes			= 2,
-
 	.serdes_tbl		= sm8150_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
 	.tx_tbl			= sm8150_usb3_tx_tbl,
@@ -684,8 +676,6 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 };
 
 static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
-	.lanes			= 2,
-
 	.serdes_tbl		= sm8150_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
 	.tx_tbl			= sm8250_usb3_tx_tbl,
@@ -707,8 +697,6 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
 };
 
 static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
-	.lanes			= 2,
-
 	.serdes_tbl		= sm8150_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
 	.tx_tbl			= sm8350_usb3_tx_tbl,
@@ -874,10 +862,8 @@ static int qmp_usb_legacy_power_on(struct phy *phy)
 	qmp_usb_legacy_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
 	qmp_usb_legacy_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);
 
-	if (cfg->lanes >= 2) {
-		qmp_usb_legacy_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
-		qmp_usb_legacy_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
-	}
+	qmp_usb_legacy_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
+	qmp_usb_legacy_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
 
 	qmp_usb_legacy_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 
@@ -1231,20 +1217,15 @@ static int qmp_usb_legacy_parse_dt_legacy(struct qmp_usb *qmp, struct device_nod
 	if (cfg->pcs_usb_offset)
 		qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset;
 
-	if (cfg->lanes >= 2) {
-		qmp->tx2 = devm_of_iomap(dev, np, 3, NULL);
-		if (IS_ERR(qmp->tx2))
-			return PTR_ERR(qmp->tx2);
-
-		qmp->rx2 = devm_of_iomap(dev, np, 4, NULL);
-		if (IS_ERR(qmp->rx2))
-			return PTR_ERR(qmp->rx2);
+	qmp->tx2 = devm_of_iomap(dev, np, 3, NULL);
+	if (IS_ERR(qmp->tx2))
+		return PTR_ERR(qmp->tx2);
 
-		qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
-	} else {
-		qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL);
-	}
+	qmp->rx2 = devm_of_iomap(dev, np, 4, NULL);
+	if (IS_ERR(qmp->rx2))
+		return PTR_ERR(qmp->rx2);
 
+	qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
 	if (IS_ERR(qmp->pcs_misc)) {
 		dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
 		qmp->pcs_misc = NULL;