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Date: Wed, 29 Nov 2023 03:12:10 +0100
From: Christian Marangi <ansuelsmth@...il.com>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Cc: Christian Marangi <ansuelsmth@...il.com>
Subject: [net-next PATCH 05/14] net: phy: at803x: move qca83xx specific check in dedicated functions

Rework qca83xx specific check to dedicated function to tidy things up
and drop useless phy_id check.

Also drop an useless link_change_notify for QCA8337 as it did nothing an
returned early.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 drivers/net/phy/at803x.c | 68 ++++++++++++++++++++++------------------
 1 file changed, 37 insertions(+), 31 deletions(-)

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index 3b7baa4bb637..9a590124d1fe 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -1633,27 +1633,26 @@ static int qca83xx_config_init(struct phy_device *phydev)
 		break;
 	}
 
+	/* Following original QCA sourcecode set port to prefer master */
+	phy_set_bits(phydev, MII_CTRL1000, CTL1000_PREFER_MASTER);
+
+	return 0;
+}
+
+static int qca8327_config_init(struct phy_device *phydev)
+{
 	/* QCA8327 require DAC amplitude adjustment for 100m set to +6%.
 	 * Disable on init and enable only with 100m speed following
 	 * qca original source code.
 	 */
-	if (phydev->drv->phy_id == QCA8327_A_PHY_ID ||
-	    phydev->drv->phy_id == QCA8327_B_PHY_ID)
-		at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
-				      QCA8327_DEBUG_MANU_CTRL_EN, 0);
+	at803x_debug_reg_mask(phydev, AT803X_DEBUG_ANALOG_TEST_CTRL,
+			      QCA8327_DEBUG_MANU_CTRL_EN, 0);
 
-	/* Following original QCA sourcecode set port to prefer master */
-	phy_set_bits(phydev, MII_CTRL1000, CTL1000_PREFER_MASTER);
-
-	return 0;
+	return qca83xx_config_init(phydev);
 }
 
 static void qca83xx_link_change_notify(struct phy_device *phydev)
 {
-	/* QCA8337 doesn't require DAC Amplitude adjustement */
-	if (phydev->drv->phy_id == QCA8337_PHY_ID)
-		return;
-
 	/* Set DAC Amplitude adjustment to +6% for 100m on link running */
 	if (phydev->state == PHY_RUNNING) {
 		if (phydev->speed == SPEED_100)
@@ -1696,19 +1695,6 @@ static int qca83xx_resume(struct phy_device *phydev)
 
 static int qca83xx_suspend(struct phy_device *phydev)
 {
-	u16 mask = 0;
-
-	/* Only QCA8337 support actual suspend.
-	 * QCA8327 cause port unreliability when phy suspend
-	 * is set.
-	 */
-	if (phydev->drv->phy_id == QCA8337_PHY_ID) {
-		genphy_suspend(phydev);
-	} else {
-		mask |= ~(BMCR_SPEED1000 | BMCR_FULLDPLX);
-		phy_modify(phydev, MII_BMCR, mask, 0);
-	}
-
 	at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_GREEN,
 			      AT803X_DEBUG_GATE_CLK_IN1000, 0);
 
@@ -1719,6 +1705,27 @@ static int qca83xx_suspend(struct phy_device *phydev)
 	return 0;
 }
 
+static int qca8337_suspend(struct phy_device *phydev)
+{
+	/* Only QCA8337 support actual suspend. */
+	genphy_suspend(phydev);
+
+	return qca83xx_suspend(phydev);
+}
+
+static int qca8327_suspend(struct phy_device *phydev)
+{
+	u16 mask = 0;
+
+	/* QCA8327 cause port unreliability when phy suspend
+	 * is set.
+	 */
+	mask |= ~(BMCR_SPEED1000 | BMCR_FULLDPLX);
+	phy_modify(phydev, MII_BMCR, mask, 0);
+
+	return qca83xx_suspend(phydev);
+}
+
 static int qca808x_phy_fast_retrain_config(struct phy_device *phydev)
 {
 	int ret;
@@ -2180,7 +2187,6 @@ static struct phy_driver at803x_driver[] = {
 	.phy_id_mask		= QCA8K_PHY_ID_MASK,
 	.name			= "Qualcomm Atheros 8337 internal PHY",
 	/* PHY_GBIT_FEATURES */
-	.link_change_notify	= qca83xx_link_change_notify,
 	.probe			= qca83xx_probe,
 	.flags			= PHY_IS_INTERNAL,
 	.config_init		= qca83xx_config_init,
@@ -2188,7 +2194,7 @@ static struct phy_driver at803x_driver[] = {
 	.get_sset_count		= qca83xx_get_sset_count,
 	.get_strings		= qca83xx_get_strings,
 	.get_stats		= qca83xx_get_stats,
-	.suspend		= qca83xx_suspend,
+	.suspend		= qca8337_suspend,
 	.resume			= qca83xx_resume,
 }, {
 	/* QCA8327-A from switch QCA8327-AL1A */
@@ -2199,12 +2205,12 @@ static struct phy_driver at803x_driver[] = {
 	.link_change_notify	= qca83xx_link_change_notify,
 	.probe			= qca83xx_probe,
 	.flags			= PHY_IS_INTERNAL,
-	.config_init		= qca83xx_config_init,
+	.config_init		= qca8327_config_init,
 	.soft_reset		= genphy_soft_reset,
 	.get_sset_count		= qca83xx_get_sset_count,
 	.get_strings		= qca83xx_get_strings,
 	.get_stats		= qca83xx_get_stats,
-	.suspend		= qca83xx_suspend,
+	.suspend		= qca8327_suspend,
 	.resume			= qca83xx_resume,
 }, {
 	/* QCA8327-B from switch QCA8327-BL1A */
@@ -2215,12 +2221,12 @@ static struct phy_driver at803x_driver[] = {
 	.link_change_notify	= qca83xx_link_change_notify,
 	.probe			= qca83xx_probe,
 	.flags			= PHY_IS_INTERNAL,
-	.config_init		= qca83xx_config_init,
+	.config_init		= qca8327_config_init,
 	.soft_reset		= genphy_soft_reset,
 	.get_sset_count		= qca83xx_get_sset_count,
 	.get_strings		= qca83xx_get_strings,
 	.get_stats		= qca83xx_get_stats,
-	.suspend		= qca83xx_suspend,
+	.suspend		= qca8327_suspend,
 	.resume			= qca83xx_resume,
 }, {
 	/* Qualcomm QCA8081 */
-- 
2.40.1


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