[PATCH net-next v9 4/6] net: stmmac: configure SerDes on mac_finish
Choong Yong Liang
yong.liang.choong at linux.intel.com
Thu Feb 27 04:15:20 PST 2025
SerDes will configure according to the provided interface mode after
finish a major reconfiguration of the interface mode.
Reviewed-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
Signed-off-by: Choong Yong Liang <yong.liang.choong at linux.intel.com>
---
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
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