diff mbox series

[12/17] phy: qcom-qmp-pcie: consolidate lane config

Message ID 20220920073826.20811-13-johan+linaro@kernel.org (mailing list archive)
State Not Applicable
Headers show
Series phy: qcom-qmp: config and misc clean ups | expand

Commit Message

Johan Hovold Sept. 20, 2022, 7:38 a.m. UTC 
For legacy reasons, there are two configuration parameters that describe
the number of lanes a PHY has.

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-pcie.c | 39 ++++++++++--------------
 1 file changed, 16 insertions(+), 23 deletions(-)

Comments

Neil Armstrong Sept. 20, 2022, 1:51 p.m. UTC | #1 
On 20/09/2022 09:38, Johan Hovold wrote:
> For legacy reasons, there are two configuration parameters that describe
> the number of lanes a PHY has.
> 
> 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-pcie.c | 39 ++++++++++--------------
>   1 file changed, 16 insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
> index 387abed33727..dde398105f03 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
> @@ -1302,8 +1302,7 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
>   
>   /* struct qmp_phy_cfg - per-PHY initialization config */
>   struct qmp_phy_cfg {
> -	/* 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;
> @@ -1351,9 +1350,6 @@ struct qmp_phy_cfg {
>   	int pwrdn_delay_min;
>   	int pwrdn_delay_max;
>   
> -	/* true, if PHY has secondary tx/rx lanes to be configured */
> -	bool is_dual_lane_phy;
> -
>   	/* QMP PHY pipe clock interface rate */
>   	unsigned long pipe_clock_rate;
>   };
> @@ -1461,7 +1457,7 @@ static const char * const sdm845_pciephy_reset_l[] = {
>   };
>   
>   static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
> -	.nlanes			= 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= ipq8074_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(ipq8074_pcie_serdes_tbl),
> @@ -1489,7 +1485,7 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg ipq8074_pciephy_gen3_cfg = {
> -	.nlanes			= 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= ipq8074_pcie_gen3_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(ipq8074_pcie_gen3_serdes_tbl),
> @@ -1518,7 +1514,7 @@ static const struct qmp_phy_cfg ipq8074_pciephy_gen3_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg ipq6018_pciephy_cfg = {
> -	.nlanes			= 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= ipq6018_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(ipq6018_pcie_serdes_tbl),
> @@ -1547,7 +1543,7 @@ static const struct qmp_phy_cfg ipq6018_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = {
> -	.nlanes = 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= sdm845_qmp_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sdm845_qmp_pcie_serdes_tbl),
> @@ -1577,7 +1573,7 @@ static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = {
> -	.nlanes = 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= sdm845_qhp_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sdm845_qhp_pcie_serdes_tbl),
> @@ -1605,7 +1601,7 @@ static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
> -	.nlanes = 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= sm8250_qmp_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
> @@ -1643,7 +1639,7 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = {
> -	.nlanes = 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sm8250_qmp_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
> @@ -1675,14 +1671,13 @@ static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = {
>   	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
>   	.phy_status		= PHYSTATUS,
>   
> -	.is_dual_lane_phy	= true,
>   	.has_pwrdn_delay	= true,
>   	.pwrdn_delay_min	= 995,		/* us */
>   	.pwrdn_delay_max	= 1005,		/* us */
>   };
>   
>   static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
> -	.nlanes			= 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= msm8998_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(msm8998_pcie_serdes_tbl),
> @@ -1706,7 +1701,7 @@ static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
> -	.nlanes = 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= sc8180x_qmp_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sc8180x_qmp_pcie_serdes_tbl),
> @@ -1735,7 +1730,7 @@ static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sdx55_qmp_pciephy_cfg = {
> -	.nlanes = 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sdx55_qmp_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sdx55_qmp_pcie_serdes_tbl),
> @@ -1759,14 +1754,13 @@ static const struct qmp_phy_cfg sdx55_qmp_pciephy_cfg = {
>   	.pwrdn_ctrl		= SW_PWRDN,
>   	.phy_status		= PHYSTATUS_4_20,
>   
> -	.is_dual_lane_phy	= true,
>   	.has_pwrdn_delay	= true,
>   	.pwrdn_delay_min	= 995,		/* us */
>   	.pwrdn_delay_max	= 1005,		/* us */
>   };
>   
>   static const struct qmp_phy_cfg sm8450_qmp_gen3x1_pciephy_cfg = {
> -	.nlanes = 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= sm8450_qmp_gen3x1_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8450_qmp_gen3x1_pcie_serdes_tbl),
> @@ -1796,7 +1790,7 @@ static const struct qmp_phy_cfg sm8450_qmp_gen3x1_pciephy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sm8450_qmp_gen4x2_pciephy_cfg = {
> -	.nlanes = 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sm8450_qmp_gen4x2_pcie_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8450_qmp_gen4x2_pcie_serdes_tbl),
> @@ -1820,7 +1814,6 @@ static const struct qmp_phy_cfg sm8450_qmp_gen4x2_pciephy_cfg = {
>   	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
>   	.phy_status		= PHYSTATUS_4_20,
>   
> -	.is_dual_lane_phy	= true,
>   	.has_pwrdn_delay	= true,
>   	.pwrdn_delay_min	= 995,		/* us */
>   	.pwrdn_delay_max	= 1005,		/* us */
> @@ -1959,7 +1952,7 @@ static int qmp_pcie_power_on(struct phy *phy)
>   	qmp_pcie_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
>   	qmp_pcie_configure_lane(tx, cfg->regs, cfg->tx_tbl_sec, cfg->tx_tbl_num_sec, 1);
>   
> -	if (cfg->is_dual_lane_phy) {
> +	if (cfg->lanes >= 2) {
>   		qmp_pcie_configure_lane(qphy->tx2, cfg->regs, cfg->tx_tbl,
>   					cfg->tx_tbl_num, 2);
>   		qmp_pcie_configure_lane(qphy->tx2, cfg->regs, cfg->tx_tbl_sec,
> @@ -1969,7 +1962,7 @@ static int qmp_pcie_power_on(struct phy *phy)
>   	qmp_pcie_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
>   	qmp_pcie_configure_lane(rx, cfg->regs, cfg->rx_tbl_sec, cfg->rx_tbl_num_sec, 1);
>   
> -	if (cfg->is_dual_lane_phy) {
> +	if (cfg->lanes >= 2) {
>   		qmp_pcie_configure_lane(qphy->rx2, cfg->regs, cfg->rx_tbl,
>   					cfg->rx_tbl_num, 2);
>   		qmp_pcie_configure_lane(qphy->rx2, cfg->regs, cfg->rx_tbl_sec,
> @@ -2225,7 +2218,7 @@ static int qmp_pcie_create(struct device *dev, struct device_node *np, int id,
>   	if (IS_ERR(qphy->pcs))
>   		return PTR_ERR(qphy->pcs);
>   
> -	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);

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Dmitry Baryshkov Sept. 22, 2022, 6:06 p.m. UTC | #2 
On 20/09/2022 10:38, Johan Hovold wrote:
> For legacy reasons, there are two configuration parameters that describe
> the number of lanes a PHY has.
> 
> 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-pcie.c | 39 ++++++++++--------------
>   1 file changed, 16 insertions(+), 23 deletions(-)

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

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 387abed33727..dde398105f03 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -1302,8 +1302,7 @@  static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
 
 /* struct qmp_phy_cfg - per-PHY initialization config */
 struct qmp_phy_cfg {
-	/* 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;
@@ -1351,9 +1350,6 @@  struct qmp_phy_cfg {
 	int pwrdn_delay_min;
 	int pwrdn_delay_max;
 
-	/* true, if PHY has secondary tx/rx lanes to be configured */
-	bool is_dual_lane_phy;
-
 	/* QMP PHY pipe clock interface rate */
 	unsigned long pipe_clock_rate;
 };
@@ -1461,7 +1457,7 @@  static const char * const sdm845_pciephy_reset_l[] = {
 };
 
 static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
-	.nlanes			= 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= ipq8074_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(ipq8074_pcie_serdes_tbl),
@@ -1489,7 +1485,7 @@  static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg ipq8074_pciephy_gen3_cfg = {
-	.nlanes			= 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= ipq8074_pcie_gen3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(ipq8074_pcie_gen3_serdes_tbl),
@@ -1518,7 +1514,7 @@  static const struct qmp_phy_cfg ipq8074_pciephy_gen3_cfg = {
 };
 
 static const struct qmp_phy_cfg ipq6018_pciephy_cfg = {
-	.nlanes			= 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= ipq6018_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(ipq6018_pcie_serdes_tbl),
@@ -1547,7 +1543,7 @@  static const struct qmp_phy_cfg ipq6018_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = {
-	.nlanes = 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= sdm845_qmp_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sdm845_qmp_pcie_serdes_tbl),
@@ -1577,7 +1573,7 @@  static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = {
-	.nlanes = 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= sdm845_qhp_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sdm845_qhp_pcie_serdes_tbl),
@@ -1605,7 +1601,7 @@  static const struct qmp_phy_cfg sdm845_qhp_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
-	.nlanes = 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= sm8250_qmp_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
@@ -1643,7 +1639,7 @@  static const struct qmp_phy_cfg sm8250_qmp_gen3x1_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = {
-	.nlanes = 2,
+	.lanes			= 2,
 
 	.serdes_tbl		= sm8250_qmp_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
@@ -1675,14 +1671,13 @@  static const struct qmp_phy_cfg sm8250_qmp_gen3x2_pciephy_cfg = {
 	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
 	.phy_status		= PHYSTATUS,
 
-	.is_dual_lane_phy	= true,
 	.has_pwrdn_delay	= true,
 	.pwrdn_delay_min	= 995,		/* us */
 	.pwrdn_delay_max	= 1005,		/* us */
 };
 
 static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
-	.nlanes			= 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= msm8998_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(msm8998_pcie_serdes_tbl),
@@ -1706,7 +1701,7 @@  static const struct qmp_phy_cfg msm8998_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
-	.nlanes = 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= sc8180x_qmp_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sc8180x_qmp_pcie_serdes_tbl),
@@ -1735,7 +1730,7 @@  static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sdx55_qmp_pciephy_cfg = {
-	.nlanes = 2,
+	.lanes			= 2,
 
 	.serdes_tbl		= sdx55_qmp_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sdx55_qmp_pcie_serdes_tbl),
@@ -1759,14 +1754,13 @@  static const struct qmp_phy_cfg sdx55_qmp_pciephy_cfg = {
 	.pwrdn_ctrl		= SW_PWRDN,
 	.phy_status		= PHYSTATUS_4_20,
 
-	.is_dual_lane_phy	= true,
 	.has_pwrdn_delay	= true,
 	.pwrdn_delay_min	= 995,		/* us */
 	.pwrdn_delay_max	= 1005,		/* us */
 };
 
 static const struct qmp_phy_cfg sm8450_qmp_gen3x1_pciephy_cfg = {
-	.nlanes = 1,
+	.lanes			= 1,
 
 	.serdes_tbl		= sm8450_qmp_gen3x1_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8450_qmp_gen3x1_pcie_serdes_tbl),
@@ -1796,7 +1790,7 @@  static const struct qmp_phy_cfg sm8450_qmp_gen3x1_pciephy_cfg = {
 };
 
 static const struct qmp_phy_cfg sm8450_qmp_gen4x2_pciephy_cfg = {
-	.nlanes = 2,
+	.lanes			= 2,
 
 	.serdes_tbl		= sm8450_qmp_gen4x2_pcie_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(sm8450_qmp_gen4x2_pcie_serdes_tbl),
@@ -1820,7 +1814,6 @@  static const struct qmp_phy_cfg sm8450_qmp_gen4x2_pciephy_cfg = {
 	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
 	.phy_status		= PHYSTATUS_4_20,
 
-	.is_dual_lane_phy	= true,
 	.has_pwrdn_delay	= true,
 	.pwrdn_delay_min	= 995,		/* us */
 	.pwrdn_delay_max	= 1005,		/* us */
@@ -1959,7 +1952,7 @@  static int qmp_pcie_power_on(struct phy *phy)
 	qmp_pcie_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
 	qmp_pcie_configure_lane(tx, cfg->regs, cfg->tx_tbl_sec, cfg->tx_tbl_num_sec, 1);
 
-	if (cfg->is_dual_lane_phy) {
+	if (cfg->lanes >= 2) {
 		qmp_pcie_configure_lane(qphy->tx2, cfg->regs, cfg->tx_tbl,
 					cfg->tx_tbl_num, 2);
 		qmp_pcie_configure_lane(qphy->tx2, cfg->regs, cfg->tx_tbl_sec,
@@ -1969,7 +1962,7 @@  static int qmp_pcie_power_on(struct phy *phy)
 	qmp_pcie_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
 	qmp_pcie_configure_lane(rx, cfg->regs, cfg->rx_tbl_sec, cfg->rx_tbl_num_sec, 1);
 
-	if (cfg->is_dual_lane_phy) {
+	if (cfg->lanes >= 2) {
 		qmp_pcie_configure_lane(qphy->rx2, cfg->regs, cfg->rx_tbl,
 					cfg->rx_tbl_num, 2);
 		qmp_pcie_configure_lane(qphy->rx2, cfg->regs, cfg->rx_tbl_sec,
@@ -2225,7 +2218,7 @@  static int qmp_pcie_create(struct device *dev, struct device_node *np, int id,
 	if (IS_ERR(qphy->pcs))
 		return PTR_ERR(qphy->pcs);
 
-	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);