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Wed, 10 Sep 2025 01:08:02 -0700 (PDT) From: Bartosz Golaszewski Date: Wed, 10 Sep 2025 10:07:45 +0200 Subject: [PATCH 8/9] 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: <20250910-qcom-sa8255p-emac-v1-8-32a79cf1e668@linaro.org> References: <20250910-qcom-sa8255p-emac-v1-0-32a79cf1e668@linaro.org> In-Reply-To: <20250910-qcom-sa8255p-emac-v1-0-32a79cf1e668@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=xmsTTIN+xNt0moiTieLp775A3Rxh60igauD1SnixUA4=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBowTHO6EyrLNmJZzntjQ+QxktZHKsf8HIE32fP3 DKzaOXZ/t2JAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaMExzgAKCRARpy6gFHHX cjAhD/9mxAdGPfan6KTr7LSNd95YNC9Xhm8DikmzNJETYy9C99YxJGy+fco1O7O6JQB/NB2yyqj b8H7YlXOcHEWEpajLXslZcKO+MGrldGf+4YySTKrgVI0eJfC2tiKU72AgyWVX8mTvzbCYd/QE1B Q/q6VX+d5LcP83v7vJMP+qvyJCEc9zm/AGrV1v67wekYIh0jN+i9PITEBqqCqdHyNeEmhtxXDbH BrPBe/0Q7vQH4t0YCui0PB67K2J7bTu2TE3be8u3eJQ+AyDXkQIMGNxfmZ7/SHhPk8ISPRarx6P 3A/7hoe2nFnpq78Jtda4OWOzSxizgWCwylVbcGAY6N6B1bFwxBkmu3xFk4yvXeO5YueTq7XFbc7 /SsCnTdkkNI/qwMHtzRaF1aqEy4A8gqomnxkO/icK9cUAGKtvyI4JbAfp9DzrkTsfAkZF6C9Fg0 yqbqHPKHpiecBRW4GDJZl4YiqP/IA+wPY/D7Pj4VJjpdfID0XsnGAOgonVEzjPxwoPm4C2iKk1W Q/P8QkqnnazoP08VI0ZR/oUhxONVStSbiCTJ2IOvWcUYSUfm6/2lJeAvxvQ4l7aQfjFi0mTbUok mGTyi/ZSo1b+kDIJ9Swlrh8hlqVaEirtfRm1fTTz0L0md52Fn65DO4rIbsFEm83rxn1oWUZ8KJJ dA/04HfQrhChqmA== 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 1fec3aa62f0f01b29cdbc4a5887dbaa0c3c60fcd..2a6136a663268ed40f99b47c9f0= 694f30053b94a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -125,6 +125,7 @@ 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; @@ -646,11 +647,16 @@ 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 @@ -881,6 +887,7 @@ 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