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Mon, 27 Oct 2025 08:45:13 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 27 Oct 2025 16:44:55 +0100 Subject: [PATCH v3 7/8] net: stmmac: qcom-ethqos: define a callback for setting the serdes speed Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251027-qcom-sa8255p-emac-v3-7-75767b9230ab@linaro.org> References: <20251027-qcom-sa8255p-emac-v3-0-75767b9230ab@linaro.org> In-Reply-To: <20251027-qcom-sa8255p-emac-v3-0-75767b9230ab@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Vinod Koul , Giuseppe Cavallaro , Jose Abreu Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1914; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=5Gxjb/17qAbEtiGjyBW7mjBpKziLG21U9VH1r3QiV6U=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBo/5N8BBE1xELlKYS4ZKFTuPBcaEPIPgSxudZ/m 3UORCOMzZyJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaP+TfAAKCRARpy6gFHHX cmQWEADIxpsG6tmx74j0WRSxVrRH/JRNVBzM4zS/ZdSdSlQ4LxTy1mCDLEtm4Fi/6+WZ/SZiWXI 1ZzMvymBFVn2D0iZPoYzpkAabamHrQrlQJe6noPUboVYrfR9EeQ+RKSVikMZ98pad0NLj2bT/Nd 4a0XI3jAoeBjMPegufW4igZP+WeYXpxgIdkxP5b55+7iDHEpWwzDMAFklDLzMcQumr/YYWTAzD9 mjGM4WGouN/jtGgNHac0Avwd5CJ704zorc5h0XENpiBH/YXCdg1xhJw5RkIUVk9lsQyWS86Hv/H P4OSHiq/vBYXZusrl6cMzGlolvc0S0PB4476vZC77MyWRhAzxLtSxRuM6CPLFVxDh7QLA3/kdmT iGGSDxGcgn6lvKEQGropggTfrMvRcxtQCSyScQ02aEw92XnTUtqE5sF/4o8R4DYIS6o2sd/RYFA eXK4HuFvPXD9fc3ykTGCtnvw+fkq35yCAxUFpNBpB3vgsIaRb3WV5CIS/o+IukZkU8YGX0bXfVu J3Plra45gnO0uIBzIJAGgU8uIyRtlqQM+BPBboMu/B9Mmm1UmgksrUDEMv3y36cJ74CwygQcivF fbOG3nv0FvGk6hBfzztxguJORGBB4Cepg2dnoMFUVeJK20HwbhY5inwbdsKL5uGhXchr63VTOD/ KOj+W54h3X1BhaQ== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Ahead of adding support for firmware driven power management, let's allow different ways of setting the PHY speed. To that end create a callback with a single implementation for now, that will be extended later. Signed-off-by: Bartosz Golaszewski --- drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/driv= ers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index c25b4b4581f9cea6107a39f0bc6165be6955cc1b..840d44f052786a79b85d25d2181= 467aa96102ec8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -124,6 +124,7 @@ struct qcom_ethqos { struct ethqos_emac_pm_ctx pm; phy_interface_t phy_mode; int serdes_speed; + int (*set_serdes_speed)(struct qcom_ethqos *ethqos); =20 const struct ethqos_emac_por *por; unsigned int num_por; @@ -644,11 +645,16 @@ static int ethqos_configure_rgmii(struct qcom_ethqos = *ethqos, int speed) return 0; } =20 +static int ethqos_set_serdes_speed_phy(struct qcom_ethqos *ethqos) +{ + return phy_set_speed(ethqos->pm.serdes_phy, ethqos->serdes_speed); +} + static void ethqos_set_serdes_speed(struct qcom_ethqos *ethqos, int speed) { if (ethqos->serdes_speed !=3D speed) { - phy_set_speed(ethqos->pm.serdes_phy, speed); ethqos->serdes_speed =3D speed; + ethqos->set_serdes_speed(ethqos); } } =20 @@ -879,6 +885,7 @@ static int qcom_ethqos_probe(struct platform_device *pd= ev) return dev_err_probe(dev, PTR_ERR(ethqos->pm.serdes_phy), "Failed to get serdes phy\n"); =20 + ethqos->set_serdes_speed =3D ethqos_set_serdes_speed_phy; ethqos->serdes_speed =3D SPEED_1000; ethqos_update_link_clk(ethqos, SPEED_1000); ethqos_set_func_clk_en(ethqos); --=20 2.48.1