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Mon, 15 Jun 2026 05:13:10 -0700 (PDT) X-Received: by 2002:ac8:598e:0:b0:517:62f4:e3d1 with SMTP id d75a77b69052e-517fde8985amr129458051cf.2.1781525589661; Mon, 15 Jun 2026 05:13:09 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bfdb4423439sm459791666b.2.2026.06.15.05.13.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Jun 2026 05:13:08 -0700 (PDT) Message-ID: <45d7faac-7c0f-4f89-808e-06129e8420e4@oss.qualcomm.com> Date: Mon, 15 Jun 2026 14:13:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 4/9] net: stmmac: qcom-ethqos: add per-platform NOC clock voting To: Mohd Ayaan Anwar , Andrew Lunn , "David S. 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 Cc: 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 References: <20260612-shikra_ethernet-v1-0-f0f4a1d19929@oss.qualcomm.com> <20260612-shikra_ethernet-v1-4-f0f4a1d19929@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260612-shikra_ethernet-v1-4-f0f4a1d19929@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: SlmeCNKMmbiDEvssOTfoLwrnfr1xJ37E X-Proofpoint-GUID: SlmeCNKMmbiDEvssOTfoLwrnfr1xJ37E X-Authority-Analysis: v=2.4 cv=UPzt2ify c=1 sm=1 tr=0 ts=6a2fec57 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=dCDc4JseV86iyfNbYEQA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDEyOSBTYWx0ZWRfX6jFrGL6UBVL9 42+raE+7sOz+oSHmKWk0kjO6zQSUUVIbe1VfqPMeH+CABMK+pahldScZmUx3qsZ0+DYaQJ5fo21 l1anVmswR9oldRBwxRBnjNoD36y3V9ByyWBLFU2Aqu050GVRZJlJLXLymr9JpRyrYXJW0jNYSh4 wNtrqTnjEmpDrpJXtv5wnD74+Rf/KMAr5Gc5hgrL63WcJeVMSnVknXfkYS9KBUSX+IWStS4jXLe C6m0Q8bAfC1KGkweUdvOQ0tjQkR/dMlDVwEdg4cZ+nkmlv8mVdgEnKMPDOc16VhnOYR9+5+oP+e Zs6kJf/rRCgbBQn79dpaB5/7yN3qEd5pBJEIRb7mnoEByFEyrFrKjlQVbGir+Dy14C9V9/0iNAt j7oFdHmkaABg+N3eVqkmwAU+426eJCdlUJVcfJydGjS3YqQ2lDHN19qsvQJAtEML7sisaP/ucol 9zaIE0e7ASVoBrAzqIg== X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDEyOSBTYWx0ZWRfXzacf18OiBJhX LZ9KNT4Wum2VTGxECaKkd1G94hoFnvFaB+rBUyeid/LBYvsc1S3KkO5/JWOovtw8ZEuFVe2VmKo /kLNSGG/xBHKFYNPI3ppqZVXbrWkwRM= 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=2026-06-15_03,2026-06-15_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 phishscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150129 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260615_051311_897060_4539C3C1 X-CRM114-Status: GOOD ( 11.43 ) 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 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) Konrad