[PATCH net-next 6/8] net: stmmac: provide the link_up() callback

Bartosz Golaszewski
2024-06-19T18:46:10Z

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Provide drivers with means to react to link-up events in the form of
another platform callback.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
include/linux/stmmac.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 5ddbb0d44373..644bc8a24661 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1006,6 +1006,9 @@ static void stmmac_mac_link_up(struct phylink_config *config,
struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
u32 old_ctrl, ctrl;

+ if (priv->plat->link_up)
+ priv->plat->link_up(priv->dev, priv->plat->bsp_priv);
+
if ((priv->plat->flags & STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP) &&
priv->plat->serdes_powerup)
priv->plat->serdes_powerup(priv->dev, priv->plat->bsp_priv);
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 9c54f82901a1..9dc54d6d65ae 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -271,6 +271,7 @@ struct plat_stmmacenet_data {
void (*dump_debug_regs)(void *priv);
int (*pcs_init)(struct stmmac_priv *priv);
void (*pcs_exit)(struct stmmac_priv *priv);
+ void (*link_up)(struct net_device *ndev, void *priv);
struct phylink_pcs *(*select_pcs)(struct stmmac_priv *priv,
phy_interface_t interface);
void *bsp_priv;
--
2.43.0