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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 Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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; 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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