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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-9123be95d2esm27183766d6.30.2026.09.16.08.36.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 16 Sep 2026 08:36:57 -0700 (PDT) Message-ID: <5f8746bc-392a-42c3-8ca2-07327e5651ea@oss.qualcomm.com> Date: Wed, 16 Sep 2026 23:36:50 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 05/13] arm64: dts: qcom: x1e80100: Add CAMSS block definition To: Bryan O'Donoghue , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vladimir Zapolskiy , Loic Poulain , Mauro Carvalho Chehab Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org References: <20260906-x1e-camss-csi2-phy-dtsi-v6-0-067f2ecc4630@linaro.org> <20260906-x1e-camss-csi2-phy-dtsi-v6-5-067f2ecc4630@linaro.org> <4c43c80c-d8c3-4738-9a5f-0b3e1c19679d@oss.qualcomm.com> <6ca6cacc-3fcc-4d1d-a6cc-cdc1e9a403ca@kernel.org> From: Wenmeng Liu In-Reply-To: <6ca6cacc-3fcc-4d1d-a6cc-cdc1e9a403ca@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE2MDIxMiBTYWx0ZWRfX9b6Y7AQFKWEC p5SANpp/yXX4I6mlhOBK6vxMvqmPCB8ylBb7lnKAdUP0ZtusNTQOzfpsmtopH/gwgv4clFT4emS 2Nm+I9S7A1easpL4JJ7kuQevwgQ7ebg= X-Proofpoint-GUID: sO8kfuxoIaurOZrQADXoTeR9AteoXRrk X-Authority-Analysis: v=2.4 cv=N4m8hG9B c=1 sm=1 tr=0 ts=6aaab79a cx=c_pps a=JIY1xp/sjQ9K5JH4t62bdg==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=8EY4eiAYLadLDWKzreoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=tNoRWFLymzeba-QzToBc:22 X-Proofpoint-ORIG-GUID: sO8kfuxoIaurOZrQADXoTeR9AteoXRrk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE2MDIxMiBTYWx0ZWRfX4NiHReCiVQJx 2f+ViFlQ4OqkqtWqtbb4yqAuNx3IRQeb3jD23+hdC5k6fTUyEeCEo/g/rl1KIQHjWZj2enMmGHi HV/9irVTL2v1DQqWwixvQWAs78dBGWxgIRlpZ8Fv+hLqW5jX93mKb3gZiSCi0VvsmO7jFHalV4V U5MErFT5i361P+HQqI59ArRpGFVPUAZn+9m7zpm5r+urlO0RLtFjWlU8rrug5o8pvOSsKiYhD66 0yymr+EMEdQEvSueNyK0pSKd9s05tWtGwPXvjEfeIJM/sTzOpMJcd97iRCYx8QhB5tU0polCOw4 w6BVo85OlKECpVVuXz1kxPgThJw8qTDXUNn1XHeBhfBNc1MVbbkFvplOTv3m4J6DtZ7L/QNCGII Sq7Ie0UnUuhExa+nhc4HXcVfxCViQ6vt3pd6wBviYqQV00iV7N80cJY0grdPfTC4O5MacQrAQCI NZ8HaQ7r4YopYCafnSQ== 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=2026-09-16_02,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609160212 On 9/16/2026 10:59 PM, Bryan O'Donoghue wrote: > On 08/09/2026 09:46, Wenmeng Liu wrote: >>> +                 <&camcc CAM_CC_CPHY_RX_CLK_SRC>, >> I think we should remove the SRC clock. >> >> Thanks, > > There's no clock that is derived from this clock, so if we remove it, > what is responsible to switch this on ? This SRC clock has child clocks such as CSIPHY0/1/2/4. The CAMSS driver never enables this SRC clock directly, and enabling the child clocks will automatically enable the parent through the common clock framework, so the SRC clock can be dropped. Thanks, Wenmeng