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Tue, 30 Jun 2026 04:25:17 -0700 (PDT) X-Received: by 2002:a05:622a:2d2:b0:51b:ff1a:3d80 with SMTP id d75a77b69052e-51c108c0a75mr26145891cf.7.1782818717294; Tue, 30 Jun 2026 04:25:17 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1288d16b06sm108856866b.8.2026.06.30.04.25.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jun 2026 04:25:16 -0700 (PDT) Message-ID: <56ab63c3-4288-45f7-bfea-d40046437a9f@oss.qualcomm.com> Date: Tue, 30 Jun 2026 13:25:13 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 2/3] arm64: dts: qcom: kodiak: enable inline crypto engine for SDHC To: Kuldeep Singh , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , cros-qcom-dts-watchers@chromium.org Cc: linux-arm-msm@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neeraj Soni References: <20260629-ice_emmc_support-v8-0-1a26e1717b85@oss.qualcomm.com> <20260629-ice_emmc_support-v8-2-1a26e1717b85@oss.qualcomm.com> <1a0b91c6-5e17-4330-a8ab-ac14d3339024@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; 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We can simply gate them. There's a parallel effort to enable runtime PM in the driver: https://lore.kernel.org/linux-arm-msm/20260512033750.3393050-3-linlin.zhang@oss.qualcomm.com/ and with that all you'd need after getting the clock is a pm_runtime_resume_and_get() before the version check, followed by a pm_runtime_put() right after it > and then > later ufs/sdhc fetch ice instance using of_qcom_ice_get() and control > suspend/resume path. > > But my idea is, if storage itself isn't there(like sdhc on > qcs6490-rb3gen2) then why sdhc-ice should even probe and check hardware > version? as there's no significance in even probing ice. On the developer/customer experience side, would you expect having to manually enable what's essentially a sub-feature of the storage media on every single board? Konrad