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Wed, 19 Aug 2026 07:24:39 -0700 (PDT) X-Received: by 2002:a05:620a:278c:b0:936:6e2f:a34d with SMTP id af79cd13be357-9371e6bcc32mr337083485a.3.1787149478778; Wed, 19 Aug 2026 07:24:38 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b47885b280sm579454e87.30.2026.08.19.07.24.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 07:24:37 -0700 (PDT) Message-ID: <0303224f-4c2c-46ec-9866-5ea1fd0fb4a3@oss.qualcomm.com> Date: Wed, 19 Aug 2026 16:24:35 +0200 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 2/2] arm64: dts: qcom: monaco-evk: Describe the PCIe M.2 Key E connector To: Wei Deng Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, quic_chezhou@quicinc.com, cheng.jiang@oss.qualcomm.com, shuai.zhang@oss.qualcomm.com, jinwang.li@oss.qualcomm.com, xiuzhuo.shang@oss.qualcomm.com, mengshi.wu@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260729023654.3840494-1-wei.deng@oss.qualcomm.com> <20260819141353.96467-1-wei.deng@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260819141353.96467-1-wei.deng@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: FU4oYxfQCKdo-K3JHDqGpT2rpiqzSYV7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDExMiBTYWx0ZWRfX7ppaDEpDt75H amayWbdahtnRxrN2I5Dhctto/5fEBJ+Y//+du60fhrJXiOevdHsxVbO3IiHgWQxU8e/KdkkWCra y2psalUlXu7SSv8mwI9PyYFxp4s6PZJu9uHCdX/ETdIxA0YoiJHFZZMPH3NHzprOBQV+faB5WVX mZ+Qh1sPgBdilRv3Pt0B8x6cGFJxirDvGWt6QzySO4DIL4WfmlnzlHN1OSMCybDLXbKzqmJ26Zz jblrqc/fy+VkRP+V4ZVT/4pxb/IgST0ZZrxApiIN7UqHV2M2V+YY1hLrKlibXHksBrR0SbphGCo Ha/Jj5AsDd035Eo54nPFtETqDtP5hOGEIfzFKYCpJYqgtswp4ElJAyG8clB13aw+q9LytW0JWMz mTN7jvQWDQnIf81ioZKMKXvwOkYvmSqW5Odj8bvRduwzvby9Gr/SGhZZ50PNH7eo9NS+yZLugcy qly/g5yAIMKqxtPhefA== X-Authority-Analysis: v=2.4 cv=aMrAb79m c=1 sm=1 tr=0 ts=6a85bca8 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=ya91ShjpW29wvZP1Js8A:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: FU4oYxfQCKdo-K3JHDqGpT2rpiqzSYV7 X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDExMiBTYWx0ZWRfX1YQv82QZB4E6 aD/UTDmRD/5Imcr08e2qb0TTGFtcEM3SARfricdjOgi1xp69rXog482nLOwPro6hDa11qNjm15E Kw/fWvYxz3HyPqwFcKeLjJybUrd74B4= 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=2026-08-19_03,2026-08-19_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 spamscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190112 On 8/19/26 4:13 PM, Wei Deng wrote: > On Wed, 29 Jul 2026 08:06:54 +0530, Wei Deng wrote: >> Fair point. I will move the port/endpoint anchors to monaco.dtsi in v2. > > After testing v2 on qcs8300-ride-sx, BT init broke. qcs8300-ride-sx has a > soldered WCN6855 and no M.2 Key E connector, but the pending series [1] > uses of_graph_is_present() to detect whether an M.2 connector is present. > Since of_graph_is_present() only checks for a 'port' child node, the empty > anchors in monaco.dtsi caused hci_qca to incorrectly enter the M.2 pwrseq > path on all monaco boards. > > v3 moves the port/endpoint nodes back to monaco-evk.dts. Please review. > > [1] https://lore.kernel.org/all/20260720-monza-wireless-v5-1-69ec6743543c@oss.qualcomm.com/ The series should test of_graph_get_remote_endpoint() instead Konrad