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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba45504379bsm1115321166b.42.2026.04.27.05.46.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Apr 2026 05:46:48 -0700 (PDT) Message-ID: Date: Mon, 27 Apr 2026 14:46:46 +0200 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 2/2] arm64: dts: qcom: qrb2210-arduino-imola: Drop modem support To: Sumit Garg Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-kernel@vger.kernel.org, bsatish@qti.qualcomm.com, akhiverm@qti.qualcomm.com, nicolas.dechesne@oss.qualcomm.com, Sumit Garg References: <20260427112833.1160332-1-sumit.garg@kernel.org> <20260427112833.1160332-2-sumit.garg@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDEzNSBTYWx0ZWRfX4pvzDYSkQoA2 Q49Bw/G21Uv1ciYiyyczfky3tgabPw1ECJC+YKvvPTRlJ9xvavbiQSIUi5YLA2raUkbcPZFXEGu 4g6jxBZNKfxMy2pQCAxXpPRqX/xN1wh2+3AHRveUkbGeZoyCj1vH6ZrRWueD57qt5/aBYGEuoqy 0a9T2LS5m5Ga+pGqNyk2pTTCKSX+dbCJiEBSW/xsj4MekB/YiutJL9y9hbSimB5yFl5unwGXuPK iQ3/is8t3yVqUqoc2NCW0ohKoabnNXUtTLWd2VPUlt+/B6cQ/zVs84XmkXKoLnlbXjdiTVngIQd BEi2j5DSVKwi12ybzWVwm2Pr6aFUe+i81PAYeO8qmYaMQyCz8t/gCi2L/r6tcdfK4ILX/5JOOF7 VCehChzFOIPposs4j7twwf+NPW55wPO0Uk9wfqw/Nfby1pvJDdkmQ7o7k51CfQBGGVHx22ZtzoR rhRwOznkoxwhOrpX2uA== X-Authority-Analysis: v=2.4 cv=a7QAM0SF c=1 sm=1 tr=0 ts=69ef5abc cx=c_pps a=1Os3MKEOqt8YzSjcPV0cFA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=3UFkKYCo_pPH7Sg1ncQA:9 a=QEXdDO2ut3YA:10 a=hhpmQAJR8DioWGSBphRh:22 X-Proofpoint-GUID: AdtfEMdZhxLrm-9CTck0-_VT-WvnBbqI X-Proofpoint-ORIG-GUID: AdtfEMdZhxLrm-9CTck0-_VT-WvnBbqI 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=2026-04-27_04,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 spamscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270135 On 4/27/26 1:54 PM, Sumit Garg wrote: > On Mon, Apr 27, 2026 at 01:43:08PM +0200, Konrad Dybcio wrote: >> On 4/27/26 1:28 PM, Sumit Garg wrote: >>> From: Sumit Garg >>> >>> QRB2210 has modem fused out as it's only available on the mobile variant >>> which is QCM2290. So let's disable modem support from Arduino Imola/UNO-Q. >>> >>> Signed-off-by: Sumit Garg >>> --- >> >> On previous APQ-y SoCs, the remoteproc was still physically present and >> served various functions (among others, GPS, IIRC). Is that not the case? > > That isn't the case as we hear that modem is fused out on QRB2210. Even > the marketing page here [1] suggests to use add-on chip WGR7640 for > GNSS. > > [1] https://www.qualcomm.com/internet-of-things/products/q2-series/qrb2210 I would like you to provide a better source than a marketing page which does not necessarily use 'modem' in the context of 'mpss remoteproc' The easiest test to conduct is to boot up the device and run qrtr-lookup with and without the rproc. Or actually, if the rproc succeeds to start up, that's proof enough that it's actually there.. Konrad