Commit e654cfc7 authored by Choong Yong Liang's avatar Choong Yong Liang Committed by Jakub Kicinski
Browse files

net: stmmac: configure SerDes on mac_finish 



SerDes will configure according to the provided interface mode after
finish a major reconfiguration of the interface mode.

Reviewed-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarChoong Yong Liang <yong.liang.choong@linux.intel.com>
Link: https://patch.msgid.link/20250227121522.1802832-5-yong.liang.choong@linux.intel.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 7e2f7e25

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+13 −0
Original line number Diff line number Diff line
@@ -1129,6 +1129,18 @@ 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,
@@ -1137,6 +1149,7 @@ 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,

};



/**

include/linux/stmmac.h

+4 −0
Original line number Diff line number Diff line
@@ -239,6 +239,10 @@ 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);