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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b872542f94fsm422977966b.4.2026.01.13.00.30.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jan 2026 00:30:40 -0800 (PST) Message-ID: Date: Tue, 13 Jan 2026 09:30:39 +0100 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 4/5] arm64: dts: qcom: Add support for ECS LIVA QC710 To: Dmitry Baryshkov Cc: Val Packett , cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260111085726.634091-2-val@packett.cool> <20260111085726.634091-6-val@packett.cool> <3dd54179-7a22-4596-a6ef-224530c4b2c6@packett.cool> <2f0d6bd9-0786-4445-94d2-5189f6b44d01@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: r57RU6PK3v-TLMbB9snXHmeVV0_Gr4r6 X-Authority-Analysis: v=2.4 cv=dK6rWeZb c=1 sm=1 tr=0 ts=696602b3 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=mDM17k1GwWedXxnFom8A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: r57RU6PK3v-TLMbB9snXHmeVV0_Gr4r6 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEzMDA3MCBTYWx0ZWRfXyEuanyAB956Q SxWBWJNvI+i0jyrwhmkezzvZ3BeKxB93Ea4PodltiflvnBBcvSTznEV4LeoxOnVlKGPgzIcUD22 TC7jbSQ87XGnmbwhhL+Pda4CURCvspVrSDMMKdBDEYXuTtC2aqJXgbL6cxO5QpER8LwzFw08DoA Bvu6FUwfLDL+0Fl7/MyWirYz7ypr/7BknCP7+jf38xx3av1l/sXvYM/URX7NzXk+THOIsjEb5Hd XFvyksHaB0Qhz/pCdYw/HSCiOELlCL3rJ9TZ+PXlkOyHc3AqPp2c18rmb8hh77SjNvMcCs9izKy Qp+r3JKrmOlcp0Q0J5HS1ZER/SxB+xsQYyOLjOIPxMivJU3EnAmop/KUeESn1RxPBRiUbyMWnb9 gTRGpPTf/eN+lX1rtDf+mJRhm4wY3Ht4PDKVqOMxqXFP1ryFqL/KwriXrGQ1R0gbXYDJm6nW3VJ e7zFEpSsjU60tOouKeA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-13_01,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601130070 On 1/13/26 2:31 AM, Dmitry Baryshkov wrote: > On Mon, Jan 12, 2026 at 11:50:25AM +0100, Konrad Dybcio wrote: >> On 1/12/26 1:31 AM, Val Packett wrote: >>> [resent for the lists as plaintext, oops] >>> >>> On 1/11/26 1:50 PM, Dmitry Baryshkov wrote: >>> >>>> On Sun, Jan 11, 2026 at 05:35:12AM -0300, Val Packett wrote: >>>>> Add a device tree for the ECS LIVA QC710 (Snapdragon 7c) mini PC/devkit. >>>>> [..] >>>>> +&dpu_intf1_out { >>>>> +    /delete-property/ remote-endpoint; >>>> Why? It should not be necessary. >>> >>> It seemed to be implicated in annoying EPROBE_DEFER issues.. But you're right, it wasn't this after all. >>> >>>>> + >>>>> +&pm6150_pon { >>>>> +    status = "disabled"; >>>> Do you know, how is Power-On routed? >>> I think it's handled by the EC. Keeping this enabled doesn't make power-off work, and doesn't make the power button deliver events either. >>>>> +}; >> >> FYI I don't think a modern QC SoC can turn on without PON >> >> What do you mean by "doesn't make power-off work"? > > It is basically a laptop SoM in the embedded case, so it has EC and PoN > generated via the EC. I got that part, but this doesn't answer my question. Val mentioned that separately from the power button not generating keypress events. Konrad