openwrt/target/linux/generic/backport-6.1/708-v6.8-01-net-phy-at803x-move-specific-qca808x-config_aneg-to-.patch

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From 8e732f1c6f2dc5e18f766d0f1b11df9db2dd044a Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Thu, 14 Dec 2023 01:44:31 +0100
Subject: [PATCH 1/2] net: phy: at803x: move specific qca808x config_aneg to
dedicated function
Move specific qca808x config_aneg to dedicated function to permit easier
split of qca808x portion from at803x driver.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/at803x.c | 66 ++++++++++++++++++++++++----------------
1 file changed, 40 insertions(+), 26 deletions(-)
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -1045,9 +1045,8 @@ static int at803x_config_mdix(struct phy
FIELD_PREP(AT803X_SFC_MDI_CROSSOVER_MODE_M, val));
}
-static int at803x_config_aneg(struct phy_device *phydev)
+static int at803x_prepare_config_aneg(struct phy_device *phydev)
{
- struct at803x_priv *priv = phydev->priv;
int ret;
ret = at803x_config_mdix(phydev, phydev->mdix_ctrl);
@@ -1064,33 +1063,22 @@ static int at803x_config_aneg(struct phy
return ret;
}
- if (priv->is_1000basex)
- return genphy_c37_config_aneg(phydev);
-
- /* Do not restart auto-negotiation by setting ret to 0 defautly,
- * when calling __genphy_config_aneg later.
- */
- ret = 0;
-
- if (phydev->drv->phy_id == QCA8081_PHY_ID) {
- int phy_ctrl = 0;
+ return 0;
+}
- /* The reg MII_BMCR also needs to be configured for force mode, the
- * genphy_config_aneg is also needed.
- */
- if (phydev->autoneg == AUTONEG_DISABLE)
- genphy_c45_pma_setup_forced(phydev);
+static int at803x_config_aneg(struct phy_device *phydev)
+{
+ struct at803x_priv *priv = phydev->priv;
+ int ret;
- if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
- phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
+ ret = at803x_prepare_config_aneg(phydev);
+ if (ret)
+ return ret;
- ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
- MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
- if (ret < 0)
- return ret;
- }
+ if (priv->is_1000basex)
+ return genphy_c37_config_aneg(phydev);
- return __genphy_config_aneg(phydev, ret);
+ return genphy_config_aneg(phydev);
}
static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
@@ -2118,6 +2106,32 @@ static int qca808x_get_features(struct p
return 0;
}
+static int qca808x_config_aneg(struct phy_device *phydev)
+{
+ int phy_ctrl = 0;
+ int ret;
+
+ ret = at803x_prepare_config_aneg(phydev);
+ if (ret)
+ return ret;
+
+ /* The reg MII_BMCR also needs to be configured for force mode, the
+ * genphy_config_aneg is also needed.
+ */
+ if (phydev->autoneg == AUTONEG_DISABLE)
+ genphy_c45_pma_setup_forced(phydev);
+
+ if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
+ phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
+
+ ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
+ MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
+ if (ret < 0)
+ return ret;
+
+ return __genphy_config_aneg(phydev, ret);
+}
+
static void qca808x_link_change_notify(struct phy_device *phydev)
{
/* Assert interface sgmii fifo on link down, deassert it on link up,
@@ -2295,7 +2309,7 @@ static struct phy_driver at803x_driver[]
.set_wol = at803x_set_wol,
.get_wol = at803x_get_wol,
.get_features = qca808x_get_features,
- .config_aneg = at803x_config_aneg,
+ .config_aneg = qca808x_config_aneg,
.suspend = genphy_suspend,
.resume = genphy_resume,
.read_status = qca808x_read_status,