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This is harmless for existing users but on SCMI systems this is required for the PHY driver to select the right performance level - which translates to the link speed. This is done ahead of adding support for the firmware-managed EMAC on Qualcomm sa8255p. Signed-off-by: Bartosz Golaszewski --- drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index ac7d6d3e205a1ab5b391def879d6f1033a0961b6..e2e611a4d2c06bd567e9d5e353b3a4893623de6c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -601,10 +601,22 @@ static int qcom_ethqos_serdes_powerup(struct net_device *ndev, void *priv) if (ret) return ret; + if (ethqos->phy_mode == PHY_INTERFACE_MODE_SGMII || + ethqos->phy_mode == PHY_INTERFACE_MODE_2500BASEX) { + ret = phy_set_mode_ext(ethqos->serdes_phy, PHY_MODE_ETHERNET, + ethqos->phy_mode); + if (ret) + goto err_out; + } + ret = phy_power_on(ethqos->serdes_phy); if (ret) - phy_exit(ethqos->serdes_phy); + goto err_out; + return 0; + +err_out: + phy_exit(ethqos->serdes_phy); return ret; } -- 2.47.3 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic