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Wed, 05 Aug 2026 02:47:00 -0700 (PDT) X-Received: by 2002:a17:90b:288b:b0:38e:8050:e63a with SMTP id 98e67ed59e1d1-3903c54d9a2mr5788316a91.6.1785923219589; Wed, 05 Aug 2026 02:46:59 -0700 (PDT) Received: from [10.218.31.237] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39039141945sm2693692a91.3.2026.08.05.02.46.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Aug 2026 02:46:59 -0700 (PDT) Message-ID: <2742d623-6d7e-440d-931c-fcf200cb60dc@oss.qualcomm.com> Date: Wed, 5 Aug 2026 15:16:53 +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 v2] dt-bindings: remoteproc: qcom,shikra-pas: Allow bam-dmux subnode To: Krzysztof Kozlowski Cc: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kumar Patro , Komal Bajaj , linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Deepak Kumar Singh References: <20260729-shikra-pas-bam-dmux-binding-v2-1-d85fea84c141@oss.qualcomm.com> <20260730-organic-chimpanzee-of-excellence-ebbcca@quoll> Content-Language: en-US From: Vishnu Santhosh In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA1MDA3NyBTYWx0ZWRfX5FM007ptve+R B7G9ApEurr06P7lbnwhfNHnhLo1tUQTGWU3ttBNpvsHuctXPwgP3gc+YjkA94usI+rO7sdsv45y IObTav92zlnhWaOuXun+c5raGFowSv/3I2+soVoJ8Ci9L6WLscmoaTj0N+ZAQJrzTv/jbpfff/V Kus13rwT+IO0aYi80y+qs9bRm2jkx0FtBHUQyEAqYx8xfzmwm8cnGj65k5uftQfnF5ckDUofv97 53VNd0lD+2mLFg3bG4iNGfYtGG9XJx2fFrOZPR/C+LuwQnr6Y6hCqRAtZsHjoyHoe7sRD0ZNwBw ad+zO7sNN3Y6AXqg4nc2n9czvPPnt9D15VujWq15OMMkmkT2b3Ho3XJNVaLUoUlNI4e1CBtVE6E NrXhsssDFtu3m5J9IO4utX45BXDwqfmwlVt/pXY9f/G+NYsScMRvBzrF9y71yWVdpenqHfcDEX/ 4FYO2CGLFeCwdji7y0w== X-Authority-Analysis: v=2.4 cv=AZqB2XXG c=1 sm=1 tr=0 ts=6a730695 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=hE9VN46VHmwWYIJWFdoA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-ORIG-GUID: u4IPsKgxfRgBpHhK2I2IsYJlKxJY5Tc7 X-Proofpoint-Spam-Info: AW1haW4tMjYwODA1MDA3NyBTYWx0ZWRfX7yCD7wS+XNmF 1gq/3B/SgrYGc5/4of3SaEpC7F006BH+86GXzmc9r/lccaHYigSnCSyv98UTXQzhsdstFjqRUEx o8FAjlD3C7ZJU74zrHETQu467SiH5B8= X-Proofpoint-GUID: u4IPsKgxfRgBpHhK2I2IsYJlKxJY5Tc7 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=2026-08-05_03,2026-08-04_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 spamscore=0 clxscore=1015 impostorscore=0 suspectscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608050077 On 04-08-2026 09:08 pm, Krzysztof Kozlowski wrote: > On 04/08/2026 17:18, Vishnu Santhosh wrote: >> On 30-07-2026 12:53 pm, Krzysztof Kozlowski wrote: >>> On Wed, Jul 29, 2026 at 02:21:01PM +0530, Vishnu Santhosh wrote: >>>> The BAM-DMUX node lives as a direct child of the modem PAS remoteproc >>> No, it does not. Look: >>> >>> $ git describe >>> next-20260729 >>> $ git grep bam-dmux >>> No child node shown >> The commit message overstated this. The dt changes are yet to be merged. >> I'll correct it in v3. >> >>> Why isn't this part of Shikra remoteproc commit/patch? How any code >>> could pass validation otherwise? >> By the time the BAM-DMUX support was brought up and validated, the >> remoteproc changes was already in a stable state. Therefore, the > No, it was not in stable state if it was not merged. > >> bam-dmux change is being submitted separately. > No, bindings should be complete. Understood on both. I'll correct the commit message to describe this as enabling the bam-dmux subnode in the binding, rather than asserting the node already exists in a DT or that this fixes a failure that doesn't exist today. > >>>> node, but qcom,shikra-pas.yaml has unevaluatedProperties: false and >>>> does not list bam-dmux, so any DT adding this subnode fails schema >>>> validation. >>> Fails how? How can I reproduce the error? >>> >>> There is no bam-dma in this binding example. >>> >>> >>> Best regards, >>> Krzysztof >> Did you mean bam-dmux (the property this patch adds)? If so, I'll add >> an example with a bam-dmux subnode in v3. > You claim something fails. Prove it. > > > Best regards, > Krzysztof I will fix the commit message, removing the false claim, and will fold the bam-dmux example node into the yaml in the next revision so dt_binding_check can be used to verify this patch. Thanks, Vishnu