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Tue, 04 Nov 2025 05:09:39 -0800 (PST) From: Bartosz Golaszewski Date: Tue, 04 Nov 2025 14:08:58 +0100 Subject: [PATCH v4 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: <20251104-qcom-sa8255p-emac-v4-7-f76660087cea@linaro.org> References: <20251104-qcom-sa8255p-emac-v4-0-f76660087cea@linaro.org> In-Reply-To: <20251104-qcom-sa8255p-emac-v4-0-f76660087cea@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 , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Matthew Gerlach , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Keguang Zhang , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jan Petrous , s32@nxp.com, Romain Gantois , Lad Prabhakar , Heiko Stuebner , Chen Wang , Inochi Amaoto , Emil Renner Berthing , Minda Chen , Drew Fustini , Guo Ren , Fu Wei , Nobuhiro Iwamatsu , Geert Uytterhoeven , Magnus Damm , Maxime Ripard , Shuang Liang , Zhi Li , Shangjuan Wei , "G. Jaya Kumaran" , Clark Wang , Linux Team , Frank Li , David Wu , Samin Guo , Christophe Roullier , Swathi K S 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, Drew Fustini , linux-sunxi@lists.linux.dev, linux-amlogic@lists.infradead.org, linux-mips@vger.kernel.org, imx@lists.linux.dev, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, sophgo@lists.linux.dev, linux-riscv@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=Yczz6nmRkpIoGqMAKNVvyF3zmCEkrzboH4PyVFVc9jM=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBpCfrucVA2CeMFxPGfABXbkXXyqSC5jmN8LI8mD yCNOJ0bLhOJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaQn67gAKCRARpy6gFHHX ciBqD/0XNJFi5uHJB6d9F1X9w/Akoe2fxdrPp29/FzIfuLlu4+eNY+P8ZHWXvGT21CWTBHzyLRu e0CXNLnV1f4a1wGZEvwBVVfisgS/M5avHcSEdAfYOIYk0DcbJfKIrYhpJprz/82G+ujPgLdl/kn TaYBe32VUyJHFGX0s+6ZMEQZDKgAQ2R73og7Zw/AckjDePp2xiiEb11GU8ckU6wwQtG0GEURGh5 TFXn2h7JLMGoElSLJlJFYz/1ZBC9CQqcX8WPjpHcIOHDClY5dmoMJ0E/A/nsdOVC+1eS4HwkZtf hy9I8tBtPs/FIb4xoVM5zQbLtNu5pfkWYl0IL/lcMyRYfV51YrMG+As1VTo0lemfPcVLtf75muB sthcpgvGIFJ8q3uxmA6DmoCAA9zeUYYSOpR8Uv182IqbYfaAnhLGu/XIuLcivlPoi3eFqMWCSq9 nTgIrvu5OVCSrQ7GXx6POR0ysJ1GJa7axDRNaThJUimC07hyobjKOtejPjjH6MC5zAeIOgAZXA6 WdPsoVGTqwtOeotmc2KOOZQnWeEPyo//Hd33noVu8pQBWmSLyXgsa3uIpmDbkeJP/bRuUA5BfNp 0D78mPjyDVvKS3gSyXyjG1KXrnjeuov9V3NvOVzkiMghcYQTB9IMUjf//vqgCNmlotmEnX2mptx QZ5kuabKK8e7LFQ== 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 09f122062dec87aa11804af2769ddff4964e6596..446f06b591a0b70992c7a431b56= cf88c1b6718fd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -120,6 +120,7 @@ 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; @@ -640,11 +641,16 @@ 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 @@ -865,6 +871,7 @@ 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 2.51.0