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Mon, 12 Jan 2026 02:16:38 -0800 (PST) Received: from brgl-qcom.local ([2a01:cb1d:dc:7e00:eb74:bf66:83a8:4e98]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47d865f0cf2sm126530355e9.3.2026.01.12.02.16.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jan 2026 02:16:38 -0800 (PST) From: Bartosz Golaszewski Date: Mon, 12 Jan 2026 11:15:45 +0100 Subject: [PATCH RESEND net-next v6 6/7] 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: <20260112-qcom-sa8255p-emac-v6-6-86a3d4b2ad83@oss.qualcomm.com> References: <20260112-qcom-sa8255p-emac-v6-0-86a3d4b2ad83@oss.qualcomm.com> In-Reply-To: <20260112-qcom-sa8255p-emac-v6-0-86a3d4b2ad83@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Andrew Lunn , "David S. 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Jaya Kumaran" , Clark Wang , Linux Team , Frank Li , David Wu , Samin Guo , Christophe Roullier , Swathi K S , Bartosz Golaszewski 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 , Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1989; i=bartosz.golaszewski@oss.qualcomm.com; h=from:subject:message-id; bh=XhZwpSvJ7UE7PtdunInQMevxaiqF8VYCYkdOSwXLngk=; b=owEBbQKS/ZANAwAKAQWdLsv/NoTDAcsmYgBpZMns4kbe8XUdsvQKvrAsOQ1wzF3np1c8DjUeM 3bh/6KE3EuJAjMEAAEKAB0WIQSR5RMt5bVGHXuiZfwFnS7L/zaEwwUCaWTJ7AAKCRAFnS7L/zaE w1PtD/9zyqAcP4ZgryRKibjlq5X13bpzu6/2kJ2pincj0K2b7lSUuzwczycjHuQLc4wndagggJI mvPxyLijrA2tCDAsMbbEJTrsy3HO/XOrXt6K/p1RZF+4zCSaNoP/Wzl4CASdrJx7/F1fA3CD8Hi r6nRm2l8eVWqVGMp1pbwIXpPhpLTq+8+rMhN5ir2pVHvlI6SYkkmiuc8CDM2ZuOTsXvChwftKHF e6OCAd2Qj5Klg5RP+WWiIEN+0/W1djw0WlLbm18SOKfPFiyo70K7BMaBRQDDV131rekfqUQqUKr IbsKs+nUHGj7WVpyrvYkBzvBSsPGfRyu6pqo/d9tayimwvMPzjLzgRoGpH9+a0381KriRGPc2Z1 qe/mpz/jcm1tdaZj+PlLSYkNr6Dspjo3qLeUNRC/ZFhpKcFZolv8fIjq4V7ZuXPFy6Jlk1Sa9ed SkRit3Olz1XtMYdgD2Szhu5MA5NdZS6REnVyeQh7CcCuj4jl+i5e2YKpn3aiKkrDSO5QEi/8TyK 2hsl7l0BxZnaelZxdzMsUV0ycXT3EniRqFjaNyrDtSzrtbS3wl9cN3/kuPx/2UMnxRf/PEFNf6A 9tSHg0ZQVON4XnXyYSUSBdVRe3ZyL1Eo3Gec5MXfbhQ/AJAl8OHmy76nwzI86ZhuM2Hunxq7DV3 qakjiD2YLFuHwwA== X-Developer-Key: i=bartosz.golaszewski@oss.qualcomm.com; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 X-Proofpoint-ORIG-GUID: tbEHP576_tBDgikpH-DMztUoRdbibMvF X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEyMDA4MSBTYWx0ZWRfX+73gT8PD/CEk Bb48Alm5mg2KASPUg+AogrIMv2uzl493DO4eJmlsYNsnFKShssdkTChB7/zacVA+8+etL6JWDSF 0msUxaoZkwiJMS7AaAg71V/E2PvSp5YRHd3DzAvR8HSvEX5OU2jO8tOyL2OL7cEdIj6Rq2hf5ND x5/24Q1H/OjSnjWboY+0LdeY0K7gKkg/YeVZ2mM7fZKiMJ47jmvE+CueNYJaO7tCvxxKhi1hcMy d+piINl2x1jaHr587tsm+GCXE5t4BuYzJWexGZhaToIBaj5+9gHF+JljT7KjCpEE2ss2w+5GuP/ m3cgLzDfl0uKSHZoP0EpzpTITQ2T0AXtqSohAT2ZfilmKe+IEwQq+dAc12kdueO0U0t5bjmHG8O pMICX19oyt8mndWN6zbdLybpg+BuMEcZSfDB4l3mUddlyyacjThYj1Xz70/ReOoZcsPM3CLS1gd UVBKlMeo2z1gocUMghw== X-Authority-Analysis: v=2.4 cv=c7WmgB9l c=1 sm=1 tr=0 ts=6964ca08 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=pVQroq3X6MeQavp43gIA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: tbEHP576_tBDgikpH-DMztUoRdbibMvF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-12_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 spamscore=0 impostorscore=0 suspectscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601120081 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 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 856fa2c7c896ea3068ac38d9ee71b4173edce80b..8ba57bba3f2eebe9e44964f9e6c= 7c67e46ccb02d 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; @@ -617,11 +618,16 @@ 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 @@ -838,6 +844,7 @@ 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 2.47.3