diff mbox series

[14/17] phy: qcom-qmp-combo: consolidate lane config

Message ID 20220920073826.20811-15-johan+linaro@kernel.org
State Accepted
Commit 099155615ac2ddb457bd8462038901c162e2cb96
Headers show
Series [01/17] phy: qcom-qmp-pcie: drop unused type from config | expand

Commit Message

Johan Hovold Sept. 20, 2022, 7:38 a.m. UTC 
For legacy reasons, there are two configuration parameters that appear
to describe the number of lanes a PHY has, even if "nlanes" was actually
used for a different purpose.

Replace them both with a new field simply named "lanes".

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 38 ++++++++---------------
 1 file changed, 13 insertions(+), 25 deletions(-)

Comments

Dmitry Baryshkov Sept. 22, 2022, 6:01 p.m. UTC | #1 
On 20/09/2022 10:38, Johan Hovold wrote:
> For legacy reasons, there are two configuration parameters that appear
> to describe the number of lanes a PHY has, even if "nlanes" was actually
> used for a different purpose.
> 
> Replace them both with a new field simply named "lanes".
> 
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
>   drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 38 ++++++++---------------
>   1 file changed, 13 insertions(+), 25 deletions(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
diff mbox series

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index 08e96e383a29..417e0fcf1a9f 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -816,8 +816,7 @@  struct qmp_phy;
 struct qmp_phy_cfg {
 	/* phy-type - PCIE/UFS/USB */
 	unsigned int type;
-	/* number of lanes provided by phy */
-	int nlanes;
+	int lanes;
 
 	/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
 	const struct qmp_phy_init_tbl *serdes_tbl;
@@ -879,8 +878,6 @@  struct qmp_phy_cfg {
 
 	/* true, if PHY has a separate DP_COM control block */
 	bool has_phy_dp_com_ctrl;
-	/* true, if PHY has secondary tx/rx lanes to be configured */
-	bool is_dual_lane_phy;
 
 	/* Offset from PCS to PCS_USB region */
 	unsigned int pcs_usb_offset;
@@ -1029,7 +1026,7 @@  static const char * const sc7180_usb3phy_reset_l[] = {
 
 static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
 	.type			= PHY_TYPE_USB3,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
@@ -1056,12 +1053,11 @@  static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
 	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 };
 
 static const struct qmp_phy_cfg sc7180_dpphy_cfg = {
 	.type			= PHY_TYPE_DP,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= qmp_v3_dp_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_dp_serdes_tbl),
@@ -1091,7 +1087,6 @@  static const struct qmp_phy_cfg sc7180_dpphy_cfg = {
 	.regs			= qmp_v3_usb3phy_regs_layout,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 
 	.dp_aux_init = qcom_qmp_v3_phy_dp_aux_init,
 	.configure_dp_tx = qcom_qmp_v3_phy_configure_dp_tx,
@@ -1106,7 +1101,7 @@  static const struct qmp_phy_combo_cfg sc7180_usb3dpphy_cfg = {
 
 static const struct qmp_phy_cfg sdm845_usb3phy_cfg = {
 	.type			= PHY_TYPE_USB3,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
@@ -1133,7 +1128,6 @@  static const struct qmp_phy_cfg sdm845_usb3phy_cfg = {
 	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 };
 
 static const struct qmp_phy_combo_cfg sdm845_usb3dpphy_cfg = {
@@ -1143,7 +1137,7 @@  static const struct qmp_phy_combo_cfg sdm845_usb3dpphy_cfg = {
 
 static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 	.type			= PHY_TYPE_USB3,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= sm8150_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
@@ -1174,12 +1168,11 @@  static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 };
 
 static const struct qmp_phy_cfg sc8180x_dpphy_cfg = {
 	.type			= PHY_TYPE_DP,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= qmp_v4_dp_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
@@ -1209,7 +1202,6 @@  static const struct qmp_phy_cfg sc8180x_dpphy_cfg = {
 	.regs			= qmp_v3_usb3phy_regs_layout,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 
 	.dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
 	.configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
@@ -1224,7 +1216,7 @@  static const struct qmp_phy_combo_cfg sc8180x_usb3dpphy_cfg = {
 
 static const struct qmp_phy_cfg sc8280xp_usb43dp_usb_cfg = {
 	.type			= PHY_TYPE_USB3,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= sc8280xp_usb43dp_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sc8280xp_usb43dp_serdes_tbl),
@@ -1252,12 +1244,11 @@  static const struct qmp_phy_cfg sc8280xp_usb43dp_usb_cfg = {
 	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 };
 
 static const struct qmp_phy_cfg sc8280xp_usb43dp_dp_cfg = {
 	.type			= PHY_TYPE_DP,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= qmp_v5_dp_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v5_dp_serdes_tbl),
@@ -1287,7 +1278,6 @@  static const struct qmp_phy_cfg sc8280xp_usb43dp_dp_cfg = {
 	.regs			= qmp_v4_usb3phy_regs_layout,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 
 	.dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
 	.configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
@@ -1302,7 +1292,7 @@  static const struct qmp_phy_combo_cfg sc8280xp_usb43dpphy_combo_cfg = {
 
 static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
 	.type			= PHY_TYPE_USB3,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= sm8150_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
@@ -1332,12 +1322,11 @@  static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
 	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 };
 
 static const struct qmp_phy_cfg sm8250_dpphy_cfg = {
 	.type			= PHY_TYPE_DP,
-	.nlanes			= 1,
+	.lanes			= 2,
 
 	.serdes_tbl		= qmp_v4_dp_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
@@ -1367,7 +1356,6 @@  static const struct qmp_phy_cfg sm8250_dpphy_cfg = {
 	.regs			= qmp_v4_usb3phy_regs_layout,
 
 	.has_phy_dp_com_ctrl	= true,
-	.is_dual_lane_phy	= true,
 
 	.dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
 	.configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
@@ -2117,7 +2105,7 @@  static int qmp_combo_power_on(struct phy *phy)
 	/* Tx, Rx, and PCS configurations */
 	qmp_combo_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
 
-	if (cfg->is_dual_lane_phy) {
+	if (cfg->lanes >= 2) {
 		qmp_combo_configure_lane(qphy->tx2, cfg->regs, cfg->tx_tbl,
 					 cfg->tx_tbl_num, 2);
 	}
@@ -2128,7 +2116,7 @@  static int qmp_combo_power_on(struct phy *phy)
 
 	qmp_combo_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
 
-	if (cfg->is_dual_lane_phy) {
+	if (cfg->lanes >= 2) {
 		qmp_combo_configure_lane(qphy->rx2, cfg->regs, cfg->rx_tbl,
 					 cfg->rx_tbl_num, 2);
 	}
@@ -2725,7 +2713,7 @@  static int qmp_combo_create(struct device *dev, struct device_node *np, int id,
 	if (cfg->pcs_usb_offset)
 		qphy->pcs_usb = qphy->pcs + cfg->pcs_usb_offset;
 
-	if (cfg->is_dual_lane_phy) {
+	if (cfg->lanes >= 2) {
 		qphy->tx2 = devm_of_iomap(dev, np, 3, NULL);
 		if (IS_ERR(qphy->tx2))
 			return PTR_ERR(qphy->tx2);