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Mon, 24 Aug 2026 04:07:45 -0700 (PDT) X-Received: by 2002:a05:6a00:4145:b0:847:9315:fb8b with SMTP id d2e1a72fcca58-851f9a9f0bamr43921428b3a.6.1787569664916; Mon, 24 Aug 2026 04:07:44 -0700 (PDT) Received: from [10.217.218.158] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8520eed88f8sm1864508b3a.10.2026.08.24.04.07.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Aug 2026 04:07:44 -0700 (PDT) Message-ID: Date: Mon, 24 Aug 2026 16:37:37 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/7] soc: qcom: geni-se: Add helper to set SE clock rate via OPP To: Praveen Talari , konrad.dybcio@oss.qualcomm.com, Sudeep Holla , Cristian Marussi , Ulf Hansson , Bjorn Andersson , Konrad Dybcio , Greg Kroah-Hartman , Jiri Slaby , Mark Brown , Viken Dadhaniya , Andi Shyti Cc: chandana.chiluveru@oss.qualcomm.com, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org References: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-0-61171ab1cdce@oss.qualcomm.com> <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-3-61171ab1cdce@oss.qualcomm.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-3-61171ab1cdce@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODI0MDA5MyBTYWx0ZWRfX8PUXUwZ2hj/P a/P9iNftbkOTLRLbHnapKEiH2XXOvwLIIRb/H6R/DLEqNIOw8QPtOEXymq5lm9yUskabckN8bYf e9f4OibztfglZMIeWpeqIhvNMNFFKWQ= X-Authority-Analysis: v=2.4 cv=Wac8rUhX c=1 sm=1 tr=0 ts=6a8c2602 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=9aiwZt7zaXvVnErAyWsA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-ORIG-GUID: GjJfA4MYL7U9U-VrVnpj0J9u83-t3Ksc X-Proofpoint-GUID: GjJfA4MYL7U9U-VrVnpj0J9u83-t3Ksc X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI0MDA5MyBTYWx0ZWRfX2BXM+fyv2KAr AmzKuOo6jMEMazBcYwsg9BihiGM7wpLJzNTYzm7kpl/n63dHaOaIRC+98PsQwqqQv3j5nAIdrxo g/PBa2O5a5x28BjabvM8okQqV1A3wEd2jJKNg56GiXxDCgDupz+KQjEkk6vqYMCQR3canPBVHUz o2MpFa+0lyl6VX/6ru2QkZWwlOktU7Td5WNmQCuX02rxWeVe6h7cED5q0wO4arWfxAe41og9nSP 89Zg+E2mPi6M8Ay2BN6iyY9L+9YP/WNLlIfRQTEqXcUCL2NZfyBwN/u4Jy0WHrDTJLfnldew6Xy 5vaDU4KeJ2vcZauWth2nI/T3ZUXudF7uISQZ5+sZrCGobX1AuZI229sDO501bFkLhMPRTghViKQ 0vkx9pOegH/yC4SsN+XXkd7NkJSDbuEivbL/nLOyHrYh60blhtS56gT+VKQC4xsKL62i7uFJc0j npHPBtiLF4uyI0v34Ig== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-24_03,2026-08-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 impostorscore=0 adultscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608240093 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260824_040748_061305_BF0A754B X-CRM114-Status: GOOD ( 14.24 ) 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 8/5/2026 1:27 AM, Praveen Talari wrote: > GENI protocol drivers need a common way to scale the SE source clock > through the OPP framework. However, the device that owns the OPP table > differs depending on how the SE resources are managed. For Linux clock > managed platforms, the OPP table is associated with the SE device, > whereas on firmware-managed platforms it is associated with the > performance power-domain device. This requires protocol drivers to be > aware of the underlying resource management model when requesting > frequency changes. > > Introduce geni_se_set_rate(), a common helper that abstracts this > difference and applies the requested frequency through the appropriate > device. The helper automatically selects the performance-domain device > when power domains are attached and falls back to the SE device > otherwise. > > Signed-off-by: Praveen Talari > --- Acked-by: Mukesh Kumar Savaliya