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Fri, 16 Oct 2026 02:12:44 -0700 (PDT) X-Received: by 2002:a05:620a:ac16:b0:93f:1a1a:2974 with SMTP id af79cd13be357-93f1a1a2a48mr240081285a.6.1792141963792; Fri, 16 Oct 2026 02:12:43 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c408e32874bsm53526666b.9.2026.10.16.02.12.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Oct 2026 02:12:42 -0700 (PDT) Message-ID: <8bdedc8d-4779-46e2-a56c-1139fa5f38a0@oss.qualcomm.com> Date: Fri, 16 Oct 2026 11:12:40 +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: [RFC PATCH v2 0/3] power: sequencing: qcom-wcn: support SW_CTRL wake IRQ To: Linghui Wu , Bartosz Golaszewski Cc: Bjorn Andersson , Konrad Dybcio , Abel Vesa , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261014121910.1509541-1-linghui.wu@oss.qualcomm.com> <20261015041241.2186521-1-linghui.wu@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261015041241.2186521-1-linghui.wu@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: sC48uw1Dzhik_8mv2ezwEXSP61-kD1qX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE2MDAzNiBTYWx0ZWRfXy5tNJKSSKaPX LiXCnYIOnwUjFSHHaCxmBTtaWQdFMVXRe6jLkb5dLF6fURmDj2P944T+QWPBuGlduSPPP8qklP5 de6WUW1aKULlh2e6f2ce7f5ij1AuDNz7FJdIuqeev05R73ZmV9vnx+orS4cuBfUo7RxjiuICjWI y+b8yV9PkbVF0ORA5bVogauOe4XAghsVyTa4xkujoZiWIxEW5xqRU6sO4DU3CP+ktr/40R/W351 8Sf/aNUv+hHuNpiBgUn4m5gjXlZ0IN7sgUgN7w7BBSqFM8Omg+OVR1B5jIQBwdGfyLwW8I31rpp x4E50muCIIQdd0MOgWvdk5AVvElghxK0S8AwWZkm+x5VNleRk3vtYfntgihOQKIQAvAeGW6Tbnd VBLBVVGatWKkXQMzm3kCAetmjgusqVFJNN0HHW2mW10i9a8iTcMW26PfuKG/aWsb3T0S2suKcwX puDgdR0/J2rdJRIuZFQ== X-Proofpoint-GUID: sC48uw1Dzhik_8mv2ezwEXSP61-kD1qX X-Authority-Analysis: v=2.4 cv=R5qWitRX c=1 sm=1 tr=0 ts=6ad1ea8c cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=uwVdFEeZ8PiR924G3bkA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE2MDAzNiBTYWx0ZWRfX9ROfwV1mD6eo +IntW7F6cwA+YV6frIjlOTZ+7GevsQ6lS6gXR+gu4YM0giPR47P+WIG9yqzJa6wuqNpEBlcKy/t rXI8rEQYvoECChedctX/ERdaRun0NsQ= 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=2026-10-14_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 suspectscore=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 bulkscore=0 priorityscore=1501 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610160036 On 10/15/26 6:12 AM, Linghui Wu wrote: > Some WCN3990-family devices use the SW_CTRL GPIO to indicate that > resources must remain available while the application processor is > suspended. > > Teach the Qualcomm WCN power-sequencing driver to use the existing > SW_CTRL GPIO as a dedicated wake IRQ when the power sequencer is marked > as a wakeup source. The PM core keeps the IRQ disabled during normal > operation and arms it for system suspend. > > The series documents wakeup-source for the WCN PMU binding and enables > it for the Shikra CQM, CQS and IQS EVKs. > > The series is based on next-20261014 and has only been build tested > because a Shikra setup capable of booting linux-next is not currently > available. $ git log --oneline arch/arm64/boot/dts/qcom/*shikra* | wc -l 41 $ ls arch/arm64/boot/dts/qcom/*shikra*.dts* -l | wc -l 9 Why are we carrying all of this code then? Konrad