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Tue, 17 Feb 2026 03:56:38 -0800 (PST) X-Received: by 2002:a17:90b:35c6:b0:356:23be:7ecb with SMTP id 98e67ed59e1d1-356aabddce6mr13377670a91.12.1771329397655; Tue, 17 Feb 2026 03:56:37 -0800 (PST) Received: from [10.92.215.127] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-356a69b38ddsm10428379a91.0.2026.02.17.03.56.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Feb 2026 03:56:37 -0800 (PST) Message-ID: Date: Tue, 17 Feb 2026 17:26:10 +0530 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 v3 0/3] Add CAMSS support for SM6350 To: Konrad Dybcio , Luca Weiss , Bryan O'Donoghue , Robert Foss , Todor Tomov , Vladimir Zapolskiy , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio , Taniya Das Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260213-sm6350-camss-v3-0-30a845b0b7cc@fairphone.com> Content-Language: en-US From: Imran Shaik In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE3MDA5OSBTYWx0ZWRfX8m6ciAIyIjZ1 8yH1anoUIC/7ij3ZIDgR+mAyMEtIX5hvCJMvjP9yTRkNHyTzJvHRUXgtuSQatFLB0RIqnL7CDc6 xdBa271sfBdLlQIipnP+7DejDvW9euweir4hqeBFm4xaUjOz36Cy8EHa6dPt72I312TDWHuM/wf /pVkTomeV84hsQKKwomksjqykqdeqAIfhW/cpx+pwWycXLqbqnNEwPs4pnp9o1PK3Hv5lZqYMPr 0d3oiojj/M+rRb2u78HnhzOXJmChcjODgJGSAp/tPdiQ3QOnaJx89unSLNTk9h8Si7n+B25YXkY FyXiMWM1TimlYzaVO9EFj066W2AmvNbdsqK4YKHN49mFpLlUaB/j0dSeoj0kKZ9rKrm7SiDCYa/ YNDKwf/8ycbKcPJo0glyG2MWNHQPlc+b1LZsEl8IBdc1lnnuOqL1bojYpgCgbG/zKN3KstAEdAE MryC4KKi1+6ItfXli8w== X-Proofpoint-ORIG-GUID: Jr1Qfh8hmeu0TmUOMedxM52ZAhqcZlD8 X-Proofpoint-GUID: Jr1Qfh8hmeu0TmUOMedxM52ZAhqcZlD8 X-Authority-Analysis: v=2.4 cv=Rfydyltv c=1 sm=1 tr=0 ts=69945776 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=yXsjsA-mUSMGIjApI5AA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-17_01,2026-02-16_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 clxscore=1015 phishscore=0 priorityscore=1501 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602170099 On 16-02-2026 04:34 pm, Konrad Dybcio wrote: > On 2/13/26 2:15 PM, Luca Weiss wrote: >> Add bindings, driver and dts to support the Camera Subsystem on the >> SM6350 SoC. >> >> These patches were tested on a Fairphone 4 smartphone with WIP sensor >> drivers (Sony IMX576 and IMX582), the camera pipeline works properly as >> far as I can tell. >> >> Though when stopping the camera stream, the following clock warning >> appears in dmesg. But it does not interfere with any functionality, >> starting and stopping the stream works and debugcc is showing 426.4 MHz >> while the clock is on, and 'off' while it's off. >> >> Any suggestion how to fix this, is appreciated. >> >> [ 5738.590980] ------------[ cut here ]------------ >> [ 5738.591009] gcc_camera_axi_clk status stuck at 'on' > > FWIW 845 has .halt_check = BRANCH_VOTED here, which translates into > 'dont check the state at disable', this one has BRANCH_HALT (i.e. spin > and keep checking the hw state) > > +Taniya would BRANCH_VOTED be fitting for 6350 too? ^ > The parent RCG of this clock is under NoC control, and seems like there is no vote on the NoC while disabling this clock, hence this issue is observed. The BRANCH_HALT_VOTED/BRANCH_HALT_SKIP should help, or if the NoC voting is removed after the clock disable then also this issue should be resolved. Thanks, Imran