linux-kernel - [PATCH v2 07/14] phy: qcom-qmp-usb: drop unused in-layout configuration

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Date:   Wed, 12 Oct 2022 10:12:34 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v2 07/14] phy: qcom-qmp-usb: drop unused in-layout configuration

The QMP USB PHY driver does not use the "in-layout" configuration macro
to configure registers that are typically accessed using "regs_layout"
arrays (e.g. QPHY_START_CTRL) so drop this unused feature.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 42 ++++++-------------------
 1 file changed, 10 insertions(+), 32 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
index 2c5e4041bcf9..3aab9ea90078 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
@@ -69,11 +69,6 @@
 struct qmp_phy_init_tbl {
 	unsigned int offset;
 	unsigned int val;
-	/*
-	 * register part of layout ?
-	 * if yes, then offset gives index in the reg-layout
-	 */
-	bool in_layout;
 	/*
 	 * mask of lanes for which this register is written
 	 * for cases when second lane needs different values
@@ -88,14 +83,6 @@ struct qmp_phy_init_tbl {
 		.lane_mask = 0xff,	\
 	}
 
-#define QMP_PHY_INIT_CFG_L(o, v)	\
-	{				\
-		.offset = o,		\
-		.val = v,		\
-		.in_layout = true,	\
-		.lane_mask = 0xff,	\
-	}
-
 #define QMP_PHY_INIT_CFG_LANE(o, v, l)	\
 	{				\
 		.offset = o,		\
@@ -2069,7 +2056,6 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
 };
 
 static void qmp_usb_configure_lane(void __iomem *base,
-					const unsigned int *regs,
 					const struct qmp_phy_init_tbl tbl[],
 					int num,
 					u8 lane_mask)
@@ -2084,19 +2070,15 @@ static void qmp_usb_configure_lane(void __iomem *base,
 		if (!(t->lane_mask & lane_mask))
 			continue;
 
-		if (t->in_layout)
-			writel(t->val, base + regs[t->offset]);
-		else
-			writel(t->val, base + t->offset);
+		writel(t->val, base + t->offset);
 	}
 }
 
 static void qmp_usb_configure(void __iomem *base,
-				   const unsigned int *regs,
 				   const struct qmp_phy_init_tbl tbl[],
 				   int num)
 {
-	qmp_usb_configure_lane(base, regs, tbl, num, 0xff);
+	qmp_usb_configure_lane(base, tbl, num, 0xff);
 }
 
 static int qmp_usb_serdes_init(struct qmp_phy *qphy)
@@ -2106,7 +2088,7 @@ static int qmp_usb_serdes_init(struct qmp_phy *qphy)
 	const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
 	int serdes_tbl_num = cfg->serdes_tbl_num;
 
-	qmp_usb_configure(serdes, cfg->regs, serdes_tbl, serdes_tbl_num);
+	qmp_usb_configure(serdes, serdes_tbl, serdes_tbl_num);
 
 	return 0;
 }
@@ -2214,21 +2196,17 @@ static int qmp_usb_power_on(struct phy *phy)
 	}
 
 	/* Tx, Rx, and PCS configurations */
-	qmp_usb_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
+	qmp_usb_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
 
-	if (cfg->lanes >= 2) {
-		qmp_usb_configure_lane(qphy->tx2, cfg->regs,
-					cfg->tx_tbl, cfg->tx_tbl_num, 2);
-	}
+	if (cfg->lanes >= 2)
+		qmp_usb_configure_lane(qphy->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
 
-	qmp_usb_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
+	qmp_usb_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);
 
-	if (cfg->lanes >= 2) {
-		qmp_usb_configure_lane(qphy->rx2, cfg->regs,
-					cfg->rx_tbl, cfg->rx_tbl_num, 2);
-	}
+	if (cfg->lanes >= 2)
+		qmp_usb_configure_lane(qphy->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
 
-	qmp_usb_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
+	qmp_usb_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 
 	if (cfg->has_pwrdn_delay)
 		usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
-- 
2.35.1