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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bb80853e641sm77209466b.10.2026.04.28.02.50.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Apr 2026 02:50:16 -0700 (PDT) Message-ID: Date: Tue, 28 Apr 2026 11:50:13 +0200 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 11/14] dt-bindings: media: qcom,qcm2290-camss: Add OPE ISP subnode To: Krzysztof Kozlowski , Loic Poulain Cc: Bryan O'Donoghue , Vladimir Zapolskiy , Mauro Carvalho Chehab , Kees Cook , "Gustavo A. R. Silva" , Bryan O'Donoghue , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, devicetree@vger.kernel.org, laurent.pinchart@ideasonboard.com, kieran.bingham@ideasonboard.com References: <20260427-camss-isp-ope-v2-0-f430e7485009@oss.qualcomm.com> <20260427-camss-isp-ope-v2-11-f430e7485009@oss.qualcomm.com> <20260428-demonic-albatross-of-enrichment-aa6f26@quoll> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260428-demonic-albatross-of-enrichment-aa6f26@quoll> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 8cvxq7UOkqmjVUUYD1Dhp4xk-2Z9CeHs X-Authority-Analysis: v=2.4 cv=D7J37PRj c=1 sm=1 tr=0 ts=69f082db cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=axVsYsM61IUpGc0LCtEA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-ORIG-GUID: 8cvxq7UOkqmjVUUYD1Dhp4xk-2Z9CeHs X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI4MDA4NSBTYWx0ZWRfX6E5DdejA34k/ sWQfo2eCrX+PEiDgjpQw2qFdKth8Irsr7WLzUtJ+RXjKe+rnWr6x5Lz4265l4cRNPVO099y6BqB BJJ7fp7csFCGGo71QbMkRlmVxSStq9iIM+xF7J0Jo9/AiQFVMc5nnFbxcMxYVHNMhefMvK2psf/ BiRsQnkHz1A7InZbjXNsQznbGcbL8saXfwtmVGc57dFefZiRyivrdif9hFnNdls2M5uTqiXbJNN HX1l65py0IpbQlzkxQAwguPt6YlsGO5WdVxIGtuw/wfLIU4lCgmncksiPIilZDxZNhGElfXlet9 og5MHWGP9FT+wK/4ia0Ed99IOrPSaPVOTqNJNpFUAm2lF60xDug/q7dozp1URPR6nND3MPgFLwQ ae2iY80eIs4a6QXdNfJOCpxUTdHoqv4Q/zEsIisoI1hfbPW15/oWxyxbacjKdgLXCK0fetlISLw D6ayd+1xJL3IVWKq6zQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-28_02,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604280085 On 4/28/26 8:35 AM, Krzysztof Kozlowski wrote: > On Mon, Apr 27, 2026 at 02:43:38PM +0200, Loic Poulain wrote: >> Extend the qcm2290 CAMSS binding to describe CAMSS as a simple bus by >> allowing child ISP nodes. Add the required address and size cells, as >> well as ranges, and validate ISP subnodes against the existing >> qcom,qcm2290-camss-ope schema. >> >> On qcm2290 the OPE (Offline Processing Engine) is a memory-to-memory >> ISP (Image Signal Processor). >> >> Signed-off-by: Loic Poulain >> --- >> .../devicetree/bindings/media/qcom,qcm2290-camss.yaml | 13 +++++++++++++ >> 1 file changed, 13 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/media/qcom,qcm2290-camss.yaml b/Documentation/devicetree/bindings/media/qcom,qcm2290-camss.yaml >> index 391d0f6f67ef5fdfea31dd3683477561516b1556..d8b356028e24c3c5b2e9b7f20e220db7d491ad68 100644 >> --- a/Documentation/devicetree/bindings/media/qcom,qcm2290-camss.yaml >> +++ b/Documentation/devicetree/bindings/media/qcom,qcm2290-camss.yaml >> @@ -52,6 +52,14 @@ properties: >> - const: vfe1 >> - const: vfe1_cphy_rx >> >> + '#address-cells': > > Please use consistent quotes, either ' or " > >> + const: 2 > > This means the child will use 64-bit addressing, but does it need that? > Or do you need that to have 36-bit DMA addressing? If there are true no > needs for above, usually recommendation is to use narrowe address space > for children, so only 32-bit. I can't find data for this platform, but on e.g. Hamoa, most camera components can address 36b Konrad