From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
On some platforms, the PCS can be integrated in the MAC so the driver
will not see any PCS link activity. Add a switch that allows the platform
drivers to let the core code know.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
Reviewed-by: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
include/linux/stmmac.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index fa07b0d50b46..fdcf1684487c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5793,7 +5793,7 @@ static void stmmac_common_interrupt(struct stmmac_priv *priv)
}
/* PCS link status */
- if (priv->hw->pcs) {
+ if (priv->hw->pcs && !priv->plat->has_integrated_pcs) {
if (priv->xstats.pcs_link)
netif_carrier_on(priv->dev);
else
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 225751a8fd8e..06090538fe2d 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -293,5 +293,6 @@ struct plat_stmmacenet_data {
bool sph_disable;
bool serdes_up_after_phy_linkup;
const struct dwmac4_addrs *dwmac4_addrs;
+ bool has_integrated_pcs;
};
#endif
--
2.39.2
