path: root/target/linux/generic/backport-6.1/707-v6.8-11-net-phy-at803x-move-at8031-functions-in-dedicated-se.patch

From f932a6dc8bae0dae9645b5b1b4c65aed8a8acb2a Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Fri, 8 Dec 2023 15:51:58 +0100
Subject: [PATCH 11/13] net: phy: at803x: move at8031 functions in dedicated
 section

Move at8031 functions in dedicated section with dedicated at8031
parse_dt and probe.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/at803x.c | 266 +++++++++++++++++++--------------------
 1 file changed, 133 insertions(+), 133 deletions(-)

--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -583,139 +583,6 @@ static int at803x_resume(struct phy_devi
 	return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0);
 }
 
-static int at8031_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev,
-					    unsigned int selector)
-{
-	struct phy_device *phydev = rdev_get_drvdata(rdev);
-
-	if (selector)
-		return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
-					     0, AT803X_DEBUG_RGMII_1V8);
-	else
-		return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
-					     AT803X_DEBUG_RGMII_1V8, 0);
-}
-
-static int at8031_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev)
-{
-	struct phy_device *phydev = rdev_get_drvdata(rdev);
-	int val;
-
-	val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F);
-	if (val < 0)
-		return val;
-
-	return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0;
-}
-
-static const struct regulator_ops vddio_regulator_ops = {
-	.list_voltage = regulator_list_voltage_table,
-	.set_voltage_sel = at8031_rgmii_reg_set_voltage_sel,
-	.get_voltage_sel = at8031_rgmii_reg_get_voltage_sel,
-};
-
-static const unsigned int vddio_voltage_table[] = {
-	1500000,
-	1800000,
-};
-
-static const struct regulator_desc vddio_desc = {
-	.name = "vddio",
-	.of_match = of_match_ptr("vddio-regulator"),
-	.n_voltages = ARRAY_SIZE(vddio_voltage_table),
-	.volt_table = vddio_voltage_table,
-	.ops = &vddio_regulator_ops,
-	.type = REGULATOR_VOLTAGE,
-	.owner = THIS_MODULE,
-};
-
-static const struct regulator_ops vddh_regulator_ops = {
-};
-
-static const struct regulator_desc vddh_desc = {
-	.name = "vddh",
-	.of_match = of_match_ptr("vddh-regulator"),
-	.n_voltages = 1,
-	.fixed_uV = 2500000,
-	.ops = &vddh_regulator_ops,
-	.type = REGULATOR_VOLTAGE,
-	.owner = THIS_MODULE,
-};
-
-static int at8031_register_regulators(struct phy_device *phydev)
-{
-	struct at803x_priv *priv = phydev->priv;
-	struct device *dev = &phydev->mdio.dev;
-	struct regulator_config config = { };
-
-	config.dev = dev;
-	config.driver_data = phydev;
-
-	priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config);
-	if (IS_ERR(priv->vddio_rdev)) {
-		phydev_err(phydev, "failed to register VDDIO regulator\n");
-		return PTR_ERR(priv->vddio_rdev);
-	}
-
-	priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config);
-	if (IS_ERR(priv->vddh_rdev)) {
-		phydev_err(phydev, "failed to register VDDH regulator\n");
-		return PTR_ERR(priv->vddh_rdev);
-	}
-
-	return 0;
-}
-
-static int at8031_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
-{
-	struct phy_device *phydev = upstream;
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(phy_support);
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
-	DECLARE_PHY_INTERFACE_MASK(interfaces);
-	phy_interface_t iface;
-
-	linkmode_zero(phy_support);
-	phylink_set(phy_support, 1000baseX_Full);
-	phylink_set(phy_support, 1000baseT_Full);
-	phylink_set(phy_support, Autoneg);
-	phylink_set(phy_support, Pause);
-	phylink_set(phy_support, Asym_Pause);
-
-	linkmode_zero(sfp_support);
-	sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces);
-	/* Some modules support 10G modes as well as others we support.
-	 * Mask out non-supported modes so the correct interface is picked.
-	 */
-	linkmode_and(sfp_support, phy_support, sfp_support);
-
-	if (linkmode_empty(sfp_support)) {
-		dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
-		return -EINVAL;
-	}
-
-	iface = sfp_select_interface(phydev->sfp_bus, sfp_support);
-
-	/* Only 1000Base-X is supported by AR8031/8033 as the downstream SerDes
-	 * interface for use with SFP modules.
-	 * However, some copper modules detected as having a preferred SGMII
-	 * interface do default to and function in 1000Base-X mode, so just
-	 * print a warning and allow such modules, as they may have some chance
-	 * of working.
-	 */
-	if (iface == PHY_INTERFACE_MODE_SGMII)
-		dev_warn(&phydev->mdio.dev, "module may not function if 1000Base-X not supported\n");
-	else if (iface != PHY_INTERFACE_MODE_1000BASEX)
-		return -EINVAL;
-
-	return 0;
-}
-
-static const struct sfp_upstream_ops at8031_sfp_ops = {
-	.attach = phy_sfp_attach,
-	.detach = phy_sfp_detach,
-	.module_insert = at8031_sfp_insert,
-};
-
 static int at803x_parse_dt(struct phy_device *phydev)
 {
 	struct device_node *node = phydev->mdio.dev.of_node;
@@ -1498,6 +1365,139 @@ static int at803x_cable_test_start(struc
 	return 0;
 }
 
+static int at8031_rgmii_reg_set_voltage_sel(struct regulator_dev *rdev,
+					    unsigned int selector)
+{
+	struct phy_device *phydev = rdev_get_drvdata(rdev);
+
+	if (selector)
+		return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
+					     0, AT803X_DEBUG_RGMII_1V8);
+	else
+		return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_1F,
+					     AT803X_DEBUG_RGMII_1V8, 0);
+}
+
+static int at8031_rgmii_reg_get_voltage_sel(struct regulator_dev *rdev)
+{
+	struct phy_device *phydev = rdev_get_drvdata(rdev);
+	int val;
+
+	val = at803x_debug_reg_read(phydev, AT803X_DEBUG_REG_1F);
+	if (val < 0)
+		return val;
+
+	return (val & AT803X_DEBUG_RGMII_1V8) ? 1 : 0;
+}
+
+static const struct regulator_ops vddio_regulator_ops = {
+	.list_voltage = regulator_list_voltage_table,
+	.set_voltage_sel = at8031_rgmii_reg_set_voltage_sel,
+	.get_voltage_sel = at8031_rgmii_reg_get_voltage_sel,
+};
+
+static const unsigned int vddio_voltage_table[] = {
+	1500000,
+	1800000,
+};
+
+static const struct regulator_desc vddio_desc = {
+	.name = "vddio",
+	.of_match = of_match_ptr("vddio-regulator"),
+	.n_voltages = ARRAY_SIZE(vddio_voltage_table),
+	.volt_table = vddio_voltage_table,
+	.ops = &vddio_regulator_ops,
+	.type = REGULATOR_VOLTAGE,
+	.owner = THIS_MODULE,
+};
+
+static const struct regulator_ops vddh_regulator_ops = {
+};
+
+static const struct regulator_desc vddh_desc = {
+	.name = "vddh",
+	.of_match = of_match_ptr("vddh-regulator"),
+	.n_voltages = 1,
+	.fixed_uV = 2500000,
+	.ops = &vddh_regulator_ops,
+	.type = REGULATOR_VOLTAGE,
+	.owner = THIS_MODULE,
+};
+
+static int at8031_register_regulators(struct phy_device *phydev)
+{
+	struct at803x_priv *priv = phydev->priv;
+	struct device *dev = &phydev->mdio.dev;
+	struct regulator_config config = { };
+
+	config.dev = dev;
+	config.driver_data = phydev;
+
+	priv->vddio_rdev = devm_regulator_register(dev, &vddio_desc, &config);
+	if (IS_ERR(priv->vddio_rdev)) {
+		phydev_err(phydev, "failed to register VDDIO regulator\n");
+		return PTR_ERR(priv->vddio_rdev);
+	}
+
+	priv->vddh_rdev = devm_regulator_register(dev, &vddh_desc, &config);
+	if (IS_ERR(priv->vddh_rdev)) {
+		phydev_err(phydev, "failed to register VDDH regulator\n");
+		return PTR_ERR(priv->vddh_rdev);
+	}
+
+	return 0;
+}
+
+static int at8031_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
+{
+	struct phy_device *phydev = upstream;
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(phy_support);
+	__ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
+	DECLARE_PHY_INTERFACE_MASK(interfaces);
+	phy_interface_t iface;
+
+	linkmode_zero(phy_support);
+	phylink_set(phy_support, 1000baseX_Full);
+	phylink_set(phy_support, 1000baseT_Full);
+	phylink_set(phy_support, Autoneg);
+	phylink_set(phy_support, Pause);
+	phylink_set(phy_support, Asym_Pause);
+
+	linkmode_zero(sfp_support);
+	sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces);
+	/* Some modules support 10G modes as well as others we support.
+	 * Mask out non-supported modes so the correct interface is picked.
+	 */
+	linkmode_and(sfp_support, phy_support, sfp_support);
+
+	if (linkmode_empty(sfp_support)) {
+		dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
+		return -EINVAL;
+	}
+
+	iface = sfp_select_interface(phydev->sfp_bus, sfp_support);
+
+	/* Only 1000Base-X is supported by AR8031/8033 as the downstream SerDes
+	 * interface for use with SFP modules.
+	 * However, some copper modules detected as having a preferred SGMII
+	 * interface do default to and function in 1000Base-X mode, so just
+	 * print a warning and allow such modules, as they may have some chance
+	 * of working.
+	 */
+	if (iface == PHY_INTERFACE_MODE_SGMII)
+		dev_warn(&phydev->mdio.dev, "module may not function if 1000Base-X not supported\n");
+	else if (iface != PHY_INTERFACE_MODE_1000BASEX)
+		return -EINVAL;
+
+	return 0;
+}
+
+static const struct sfp_upstream_ops at8031_sfp_ops = {
+	.attach = phy_sfp_attach,
+	.detach = phy_sfp_detach,
+	.module_insert = at8031_sfp_insert,
+};
+
 static int at8031_parse_dt(struct phy_device *phydev)
 {
 	struct device_node *node = phydev->mdio.dev.of_node;