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Mon, 23 Mar 2026 10:03:51 -0700 (PDT) X-Received: by 2002:a17:902:d4d0:b0:2b0:6f21:8270 with SMTP id d9443c01a7336-2b082774324mr82819685ad.5.1774285430949; Mon, 23 Mar 2026 10:03:50 -0700 (PDT) Received: from [192.168.0.9] ([49.204.25.6]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b083688ca4sm152745085ad.67.2026.03.23.10.03.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2026 10:03:50 -0700 (PDT) Message-ID: <0a44b9ea-9f2d-496e-8915-45186433dc1e@oss.qualcomm.com> Date: Mon, 23 Mar 2026 22:33:45 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] arm64: dts: qcom: qcs6490-rb3gen2-industrial-mezzanine: Add model string To: Dmitry Baryshkov Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, richardcochran@gmail.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260309121936.1289615-1-umang.chheda@oss.qualcomm.com> <64f43d77-7c09-453e-8d7b-b4e0e5f05598@oss.qualcomm.com> Content-Language: en-US From: Umang Chheda In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=fKc0HJae c=1 sm=1 tr=0 ts=69c17278 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=bm6Oh/fWkYYflUit1XJm0A==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=4yEt4WWgJWksLT0UfGEA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: L4i3fdcnc75DzDPVzOJz-c354bxsB7mA X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIzMDEyNiBTYWx0ZWRfX+V4U3If5V8M5 su7HvsCe0aIdfC3PcgZe8REX5Xxqmg5JmP2PkFHzVwNse0MwpGNLap5eXqqzR3Nrh7uCLY2UTaT 60K0HqfPi6v+2MvhElyrmr2SmUnwooJpE7RiLCGhrAZ8KSvEHIQh1YSl0brNhTPEp1aNUZCZFSt E1b8Xes+whGWswwyV5NM2YgdtJlvLURs3o585ceMNssXNUtqDoG3YUl4E4b5jRKcC8GDnPln1Hw 1qe4Gw7Ht8XlDHn0zoDrGfk5o9nf//btvukwm+Jn8e65Kbzl225yJh3Y5VgqWCMd1wec874m/07 sDe8KKjgBkLUyxSXfIiJuxOgqZ/UaVZMrVf396kAd2bYDSPhI4+KCUzWDyO43IJw2E0vfMWpSWk ZC/XObg2M00sw8zOIJSVqkCHNZUJNgridNM4bU+YVCOhosI8DcuNsxqdGW9BWEZfeL6TwfKcInT 8xexv5et4E9j+5W29ng== X-Proofpoint-ORIG-GUID: L4i3fdcnc75DzDPVzOJz-c354bxsB7mA 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=2026-03-23_04,2026-03-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 spamscore=0 suspectscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603230126 Hello Dmitry, On 3/13/2026 11:23 PM, Dmitry Baryshkov wrote: > On Tue, Mar 10, 2026 at 02:09:58PM +0530, Umang Chheda wrote: >> Hello Dmitry, >> >> On 3/10/2026 2:07 AM, Dmitry Baryshkov wrote: >>> On Mon, Mar 09, 2026 at 05:49:35PM +0530, Umang Chheda wrote: >>>> The RB3 Gen2 Industrial mezzanine DT file lacks a "model" property, >>>> resulting in the hardware always being reported as the "Robotics RB3gen2". >>>> This prevents applications and user-space tooling from distinguishing >>>> the Industrial mezzanine Kit from other RB3Gen2 variants. >>>> >>>> To ensure consistent identification across all RB3 Gen2 mezzanines, >>>> add the appropriate model string. >>>> >>>> Signed-off-by: Umang Chheda >>>> --- >>>> .../boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso | 4 ++++ >>>> 1 file changed, 4 insertions(+) >>>> >>>> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso >>>> index 619a42b5ef48..7d6e425dae89 100644 >>>> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso >>>> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso >>>> @@ -8,6 +8,10 @@ >>>> #include >>>> #include >>>> >>>> +&{/} { >>>> + model = "Qualcomm Technologies, Inc. QCS6490 RB3gen2 Industrial Mezzanine"; >>> So, what happens if I combine Industrial and Vision mezzanines? >> H/W does not support to connect both Industrial and vision mezzanine at same time - only single mezzanine can be >> >> connected at a given point in time - hence probably the above scenario would never occur. > Industrial mezzanine has all LS and HS connectors, so it is possible to > stack Vision mezz on top of the industrial one. I re-checked - from f/w side as well multiple DTSO selection is not supported - and at a single point in time only single mezz can be selected considering above point - is it okay to have this patch ? I believe it would be good to have model string in the DTSO file added. Kindly share your views Thanks, Umang >