[PATCH net-next v9 4/6] net: stmmac: configure SerDes on mac_finish
From: Choong Yong Liang <hidden>
Date: 2025-02-27 12:17:16
Also in:
lkml, netdev, platform-driver-x86
Subsystem:
networking drivers, stmmac ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
SerDes will configure according to the provided interface mode after finish a major reconfiguration of the interface mode. Reviewed-by: Russell King (Oracle) <redacted> Signed-off-by: Choong Yong Liang <redacted> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 13 +++++++++++++ include/linux/stmmac.h | 4 ++++ 2 files changed, 17 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 424fa2fe31c6..72ec2ef3907f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c@@ -1086,6 +1086,18 @@ static int stmmac_mac_enable_tx_lpi(struct phylink_config *config, u32 timer, return 0; } +static int stmmac_mac_finish(struct phylink_config *config, unsigned int mode, + phy_interface_t interface) +{ + struct net_device *ndev = to_net_dev(config->dev); + struct stmmac_priv *priv = netdev_priv(ndev); + + if (priv->plat->mac_finish) + priv->plat->mac_finish(ndev, priv->plat->bsp_priv, mode, interface); + + return 0; +} + static const struct phylink_mac_ops stmmac_phylink_mac_ops = { .mac_get_caps = stmmac_mac_get_caps, .mac_select_pcs = stmmac_mac_select_pcs,
@@ -1094,6 +1106,7 @@ static const struct phylink_mac_ops stmmac_phylink_mac_ops = { .mac_link_up = stmmac_mac_link_up, .mac_disable_tx_lpi = stmmac_mac_disable_tx_lpi, .mac_enable_tx_lpi = stmmac_mac_enable_tx_lpi, + .mac_finish = stmmac_mac_finish, }; /**
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 6d2aa77ea963..af22a11c2b8a 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h@@ -236,6 +236,10 @@ struct plat_stmmacenet_data { int (*serdes_powerup)(struct net_device *ndev, void *priv); void (*serdes_powerdown)(struct net_device *ndev, void *priv); void (*speed_mode_2500)(struct net_device *ndev, void *priv); + int (*mac_finish)(struct net_device *ndev, + void *priv, + unsigned int mode, + phy_interface_t interface); void (*ptp_clk_freq_config)(struct stmmac_priv *priv); int (*init)(struct platform_device *pdev, void *priv); void (*exit)(struct platform_device *pdev, void *priv);
--
2.34.1