[PATCH 15/17] phy: qcom-qmp-ufs: consolidate lane config

From: Johan Hovold
Date: Tue Sep 20 2022 - 03:40:04 EST


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@xxxxxxxxxx>
---
drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 31 ++++++++-----------------
1 file changed, 10 insertions(+), 21 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index ca9a42250556..d21b977850b3 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -533,8 +533,7 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_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;
@@ -561,9 +560,6 @@ struct qmp_phy_cfg {
/* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
unsigned int phy_status;

- /* true, if PHY has secondary tx/rx lanes to be configured */
- bool is_dual_lane_phy;
-
/* true, if PCS block has no separate SW_RESET register */
bool no_pcs_sw_reset;
};
@@ -662,7 +658,7 @@ static const char * const qmp_phy_vreg_l[] = {
};

static const struct qmp_phy_cfg msm8996_ufs_cfg = {
- .nlanes = 1,
+ .lanes = 1,

.serdes_tbl = msm8996_ufs_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(msm8996_ufs_serdes_tbl),
@@ -687,7 +683,7 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = {
};

static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
- .nlanes = 2,
+ .lanes = 2,

.serdes_tbl = sdm845_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
@@ -707,12 +703,11 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,

- .is_dual_lane_phy = true,
.no_pcs_sw_reset = true,
};

static const struct qmp_phy_cfg sm6115_ufsphy_cfg = {
- .nlanes = 1,
+ .lanes = 1,

.serdes_tbl = sm6115_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm6115_ufsphy_serdes_tbl),
@@ -735,7 +730,7 @@ static const struct qmp_phy_cfg sm6115_ufsphy_cfg = {
};

static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
- .nlanes = 2,
+ .lanes = 2,

.serdes_tbl = sm8150_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_ufsphy_serdes_tbl),
@@ -754,12 +749,10 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
-
- .is_dual_lane_phy = true,
};

static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
- .nlanes = 2,
+ .lanes = 2,

.serdes_tbl = sm8350_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
@@ -778,12 +771,10 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
-
- .is_dual_lane_phy = true,
};

static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
- .nlanes = 2,
+ .lanes = 2,

.serdes_tbl = sm8350_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
@@ -802,8 +793,6 @@ static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
-
- .is_dual_lane_phy = true,
};

static void qmp_ufs_configure_lane(void __iomem *base,
@@ -956,14 +945,14 @@ static int qmp_ufs_power_on(struct phy *phy)
/* Tx, Rx, and PCS configurations */
qmp_ufs_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);

- if (cfg->is_dual_lane_phy) {
+ if (cfg->lanes >= 2) {
qmp_ufs_configure_lane(qphy->tx2, cfg->regs,
cfg->tx_tbl, cfg->tx_tbl_num, 2);
}

qmp_ufs_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);

- if (cfg->is_dual_lane_phy) {
+ if (cfg->lanes >= 2) {
qmp_ufs_configure_lane(qphy->rx2, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 2);
}
@@ -1122,7 +1111,7 @@ static int qmp_ufs_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);
--
2.35.1