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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Bjorn Andersson , Konrad Dybcio , Maxime Coquelin , Alexandre Torgue , Russell King , linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH RFC 4/9] net: stmmac: qcom-ethqos: add per-platform NOC clock voting Message-ID: References: <20260612-shikra_ethernet-v1-0-f0f4a1d19929@oss.qualcomm.com> <20260612-shikra_ethernet-v1-4-f0f4a1d19929@oss.qualcomm.com> <45d7faac-7c0f-4f89-808e-06129e8420e4@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45d7faac-7c0f-4f89-808e-06129e8420e4@oss.qualcomm.com> X-Proofpoint-GUID: 2Vt6QUD0yaY4ZJ2R3aQeZF5Tj7n_L-ik X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE2MDE2NiBTYWx0ZWRfXwYHBOWoSKQJP rZ9Z+yYkGSZQL23AJi4U7OL9BrTVjLsqWSKvjUwegebpWsjwxKJxKE+9UB71o9pw+9keMzbWXb4 0qDXUwXYmAx8mVo44YdW5lc2s706G08= X-Authority-Analysis: v=2.4 cv=WNdPmHsR c=1 sm=1 tr=0 ts=6a317717 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=kj9zAlcOel0A:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=267an7I0AjvZusCT9TAA:9 a=CjuIK1q_8ugA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE2MDE2NiBTYWx0ZWRfX6rpAmNCuS+hO qTe/OXA7XNVE7/pGuZEVjrGgt4Qu5wzfeLVzbgSOYNJjSRHV2sASMB+OIQZMtONJCeWfOQO+EzH MnHQBmLoB8+dWUl+alPj00ZOKJx78gAEBtegReB6wIvRsXC5FaJJnzE/J3DyH+SFujlUWXUo2FX MYj20kVeywYZX/bjMG3nOOVylfx5LyxmZRuuslyJD/csBatwmZlBfNF+1a5FuY+unmj/DYxFUhx iQ/nvNl42vxh9K9tdtmHYDqnF0NgG+KtmTBD2bXH2M2JEwk0b1sHYXCabKTxsQHJE81mzjFSqJ0 Ww8at6OUTd009oChMAVMc43iupk4ZeOb7iqPFUAhHmRHfJvLvQGmp/FDdIO49fFm532wNWcc8TF cICSCdH6BB8yDf+qRPDyHROhDvmxEekOW7d+LZpjVPjIFGLdIInBs9Qhn0WfvIphyrsvQ9r4swe 5jqfN4zt+arLLRwF4GA== X-Proofpoint-ORIG-GUID: 2Vt6QUD0yaY4ZJ2R3aQeZF5Tj7n_L-ik X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-16_05,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 bulkscore=0 malwarescore=0 clxscore=1015 suspectscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606160166 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260616_091729_156232_84F4CE02 X-CRM114-Status: GOOD ( 17.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Konrad, On Mon, Jun 15, 2026 at 02:13:05PM +0200, Konrad Dybcio wrote: > On 6/11/26 8:37 PM, Mohd Ayaan Anwar wrote: > > Some SoCs gate the EMAC's path to the System NOC behind dedicated clocks > > that must be enabled before the DMA can reach memory. Add > > ethqos_noc_clk_cfg and the corresponding fields in the driver-data and > > runtime structs so each compatible can declare its own set with per-clock > > rates. The clocks are acquired during probe and enabled/disabled > > alongside the existing link clock in ethqos_clks_config(). > > Sounds like we should use an OPP table instead, we can't just do > set_rate() on qcom, as that will not propagate the required perf > state to the clock controller's supplier power domain (i.e. VDDCX) > Understood, I will test this out for v2. Ayaan