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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-396d29af238sm6427732a91.1.2026.08.31.23.41.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Aug 2026 23:41:45 -0700 (PDT) Message-ID: Date: Tue, 1 Sep 2026 14:41:41 +0800 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] arm64: dts: qcom: hamoa: Add PSCI SYSTEM_RESET2 types To: Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com, jie.gan@oss.qualcomm.com References: <20260226054113.4156874-1-xin.liu@oss.qualcomm.com> From: Xin Liu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=b9qCJNGx c=1 sm=1 tr=0 ts=6a9673ab cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=msPNAV2qm2yT9iC0_akA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDA1OCBTYWx0ZWRfX6YIf/+8Zevau Px4k12XS4QvUSxdOEX4UQE0U5j+duNa1U8PkF9GU8sjn3C3NmSQ2cq8ZXxKLkxlwE9KjIDVgIP+ tndEsaaxhFgGp9JVEyNQVnF7WySkfCSFyS/NaVw+RHt5ahOUXNNKjwiA9hQasQLGvxNLOsndrA5 UyrLcTwPYsfFLeRnuLTTLRpuDR6zDQGNNaSjg2VGK6k+IhIO1nE2zLaZhDCKJhccO2NGfVw02q0 1Ve3xfytSfPFb9rhpO9mz9yrM8k+2JTwnAOrSB343lvx5LQkDb8GVrv9JUn6aNgwLPLhrPh45Jt Noa8AdxzmhTNfyf3LyGqz+HdSahs/pHbf93CrGoUvFEWwx2vurn8Wct3kMKkGFSBGesf883Fg3u 0kEg4HTe7m6LnzG9mA9bZDhkP9lIVxl8Z8p7wNZF/NAU6mCXJ2GJtkcSOR9ScudaZWFQTCUikDt VXr2M3xyZgVDSkTrYgg== X-Proofpoint-GUID: oxUozk7NnQ26u01EWqdbOq5Z3yR8wllv X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDA1OCBTYWx0ZWRfX9gWsNL1+qUrp Wwy14bkruqqPMC+4j7BEOvlJK65y/qgH0LNgMbMrEI6ZdO8Ua56ubjNM7c/UU5J+xA1Q8mVoSJf utl7cj0xmnXA8+IfmGyZVY4+AyFp/SY= X-Proofpoint-ORIG-GUID: oxUozk7NnQ26u01EWqdbOq5Z3yR8wllv 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=2026-09-01_01,2026-08-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 phishscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 adultscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609010058 On 3/18/2026 9:42 PM, Bjorn Andersson wrote: > On Wed, Feb 25, 2026 at 09:41:13PM -0800, Xin Liu wrote: >> Add support for SYSTEM_RESET2 vendor-specific resets as >> reboot-modes in the psci node. Describe the resets: "bootloader" >> will cause device to reboot and stop in the bootloader's fastboot >> mode. "edl" will cause device to reboot into "emergency download >> mode", which permits loading images via the Firehose protocol. >> >> Signed-off-by: Xin Liu > How did you test this? I tried to apply this, but I'm getting 52 counts > of: > > xyz.dtb: psci (arm,psci-1.0) 'reboot-mode' does not match any of the regexes: '^pinctrl-[0-9]+$', '^power-domain-' > > Am I doing something wrong? > > Regards, > Bjorn Hi Bjorn, Thanks for testing! The warning is expected without the companion binding patch. This DTS change depends on: change-id: 20250709-arm-psci-system_reset2-vendor-reboots-46c80044afcf from Shivendra Pratap's series, which adds reboot-mode as a valid child node in Documentation/devicetree/bindings/arm/psci.yaml. Without that patch applied, the schema enforces additionalProperties: false with no reboot-mode pattern, causing the check failures you see. Regards, Xin >> --- >> Changes in v2: >> - Fix mode-bootloader and mode-edl reset_type >> - Link to v1 : https://lore.kernel.org/all/20260209042700.1186392-1-xin.liu@oss.qualcomm.com/ >> >> arch/arm64/boot/dts/qcom/hamoa.dtsi | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi >> index db65c392e618..a1bd8c3e4061 100644 >> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi >> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi >> @@ -450,6 +450,11 @@ system_pd: power-domain-system { >> #power-domain-cells = <0>; >> /* TODO: system-wide idle states */ >> }; >> + >> + reboot-mode { >> + mode-bootloader = <0x80010001 0x2>; >> + mode-edl = <0x80000000 0x1>; >> + }; >> }; >> >> reserved-memory { >> -- >> 2.43.0 >>