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Wed, 08 Oct 2025 01:18:12 -0700 (PDT) From: Bartosz Golaszewski Date: Wed, 08 Oct 2025 10:17:54 +0200 Subject: [PATCH v2 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: <20251008-qcom-sa8255p-emac-v2-7-92bc29309fce@linaro.org> References: <20251008-qcom-sa8255p-emac-v2-0-92bc29309fce@linaro.org> In-Reply-To: <20251008-qcom-sa8255p-emac-v2-0-92bc29309fce@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/ZANAwAKARGnLqAUcddyAcsmYgBo5h424wYIOWx/QTIauQ0Xb0HiSiOu+mcvinaVu GhOkDp/gnqJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaOYeNgAKCRARpy6gFHHX cln8D/40P5o2ziTr4Wk7CJ0ckAfckinQriPZ81qAubZQawfXquU0f9MHcGxOVvpWRqeF8pQsvQV XSQsT51LnHQ9SZMfesP3vKY0QQaz6SKjkhiAoR2CKFM/8nkGzuRjt7oWYKFKbJVhwkJKAfK6tRf 6/vUg0er/eXFIy/tXoe71+uRvAqTClesPLUXGcPLRpcGchrumTBYB5j4bKFN0DdQBuNJlp2QbN+ 0/gxygzyNpUtZwtdJLGN73TZSTSE1bVeVicT3tIIiYPIjCW1Lah0/IJL4w5Cp5qEiq5oiThfgjx /t6Eq2bUJ5kns+bSpzgVx3cHIMMdqf/Km/K2gUsyBPkW6VF9KvF3QObG17Nej1gxaOGRgDoFje7 X3/68pKORhRcaflwwnlGIwWUK0BGsjQ9rAZ4OUMg+7Oz8mYGwlhKrI/Aq1Me6slet7SrbfBpkyf uEOYvdOLVFR/0WSifZVhrNABqZWtD/BBnanKxR8Rh5VGg3fki7Ev8jEDA364ubJkfYcKWt6O3bK q+ukAukJOQmZayqSjIyQ5gqU0j97tXkVuqONtZA0UGiFf7RvuodWy2AteLDVpbwXXmGRt8InpSf S03B2C+Ox/rniLc3eY+4YPs40szdtegi1bKYPhM0FIKWxCbL6B97v+vVxnMSPo7t9K2l0S2s0my bRm3rw809SJ/T2w== 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