linux-kernel - [PATCH 2/2] phy: amlogic: meson8b-usb2: Use the regmap_{clear,set}

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Message-ID: <20241231191718.2764065-3-martin.blumenstingl@googlemail.com>
Date: Tue, 31 Dec 2024 20:17:18 +0100
From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To: linux-amlogic@...ts.infradead.org,
	linux-phy@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	vkoul@...nel.org,
	kishon@...nel.org,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH 2/2] phy: amlogic: meson8b-usb2: Use the regmap_{clear,set}_bits helpers

These require less code, reduce the chance of typos and overall make the
intent clearer. No functional changes.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 drivers/phy/amlogic/phy-meson8b-usb2.c | 28 ++++++++++----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/phy/amlogic/phy-meson8b-usb2.c b/drivers/phy/amlogic/phy-meson8b-usb2.c
index d9c761b7c15c..a553231a9f7c 100644
--- a/drivers/phy/amlogic/phy-meson8b-usb2.c
+++ b/drivers/phy/amlogic/phy-meson8b-usb2.c
@@ -165,8 +165,7 @@ static int phy_meson8b_usb2_power_on(struct phy *phy)
 		return ret;
 	}
 
-	regmap_update_bits(priv->regmap, REG_CONFIG, REG_CONFIG_CLK_32k_ALTSEL,
-			   REG_CONFIG_CLK_32k_ALTSEL);
+	regmap_set_bits(priv->regmap, REG_CONFIG, REG_CONFIG_CLK_32k_ALTSEL);
 
 	regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_REF_CLK_SEL_MASK,
 			   FIELD_PREP(REG_CTRL_REF_CLK_SEL_MASK, 0x2));
@@ -175,23 +174,20 @@ static int phy_meson8b_usb2_power_on(struct phy *phy)
 			   FIELD_PREP(REG_CTRL_FSEL_MASK, 0x5));
 
 	/* reset the PHY */
-	regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET,
-			   REG_CTRL_POWER_ON_RESET);
+	regmap_set_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET);
 	udelay(RESET_COMPLETE_TIME);
-	regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET, 0);
+	regmap_clear_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET);
 	udelay(RESET_COMPLETE_TIME);
 
-	regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_SOF_TOGGLE_OUT,
-			   REG_CTRL_SOF_TOGGLE_OUT);
+	regmap_set_bits(priv->regmap, REG_CTRL, REG_CTRL_SOF_TOGGLE_OUT);
 
 	if (priv->dr_mode == USB_DR_MODE_HOST) {
-		regmap_update_bits(priv->regmap, REG_DBG_UART,
-				   REG_DBG_UART_SET_IDDQ, 0);
+		regmap_clear_bits(priv->regmap, REG_DBG_UART,
+				  REG_DBG_UART_SET_IDDQ);
 
 		if (priv->match->host_enable_aca) {
-			regmap_update_bits(priv->regmap, REG_ADP_BC,
-					   REG_ADP_BC_ACA_ENABLE,
-					   REG_ADP_BC_ACA_ENABLE);
+			regmap_set_bits(priv->regmap, REG_ADP_BC,
+					REG_ADP_BC_ACA_ENABLE);
 
 			udelay(ACA_ENABLE_COMPLETE_TIME);
 
@@ -214,17 +210,15 @@ static int phy_meson8b_usb2_power_off(struct phy *phy)
 	struct phy_meson8b_usb2_priv *priv = phy_get_drvdata(phy);
 
 	if (priv->dr_mode == USB_DR_MODE_HOST)
-		regmap_update_bits(priv->regmap, REG_DBG_UART,
-				   REG_DBG_UART_SET_IDDQ,
-				   REG_DBG_UART_SET_IDDQ);
+		regmap_set_bits(priv->regmap, REG_DBG_UART,
+				REG_DBG_UART_SET_IDDQ);
 
 	clk_disable_unprepare(priv->clk_usb);
 	clk_disable_unprepare(priv->clk_usb_general);
 	reset_control_rearm(priv->reset);
 
 	/* power off the PHY by putting it into reset mode */
-	regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET,
-			   REG_CTRL_POWER_ON_RESET);
+	regmap_set_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET);
 
 	return 0;
 }
-- 
2.47.1