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Tue, 08 Sep 2026 07:58:14 -0700 (PDT) X-Received: by 2002:a05:6102:54a8:b0:785:c960:ff85 with SMTP id ada2fe7eead31-78a4a8e5299mr12862044137.7.1788879494031; Tue, 08 Sep 2026 07:58:14 -0700 (PDT) Received: from brgl-qcom.local ([2a01:cb1d:dc:7e00:79a2:f118:df09:fe51]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-485958f1493sm25191276f8f.37.2026.09.08.07.58.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2026 07:58:10 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 08 Sep 2026 16:57:24 +0200 Subject: [PATCH net-next v14 05/10] net: stmmac: qcom-ethqos: set serdes mode before powerup MIME-Version: 1.0 Message-Id: <20260908-qcom-sa8255p-emac-v14-5-ec212b747a7d@oss.qualcomm.com> References: <20260908-qcom-sa8255p-emac-v14-0-ec212b747a7d@oss.qualcomm.com> In-Reply-To: <20260908-qcom-sa8255p-emac-v14-0-ec212b747a7d@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , "David S. 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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 | 11 ++++++++++- 1 file changed, 10 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..47b70b5e706f221c01f1c0ae3b1acafae6641165 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -601,10 +601,19 @@ static int qcom_ethqos_serdes_powerup(struct net_device *ndev, void *priv) if (ret) return ret; + 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