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Wed, 21 Oct 2026 01:48:46 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4678fd7039sm58003766b.54.2026.10.21.01.48.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Oct 2026 01:48:45 -0700 (PDT) Message-ID: <5bf3636d-be7a-4800-9914-808d2fc5ebd9@oss.qualcomm.com> Date: Wed, 21 Oct 2026 10:48:43 +0200 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] power: supply: qcom_battmgr: do not report power_now on SM8750 To: Qianhui Xu , linux-pm@vger.kernel.org, Sebastian Reichel Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261013002124.332111-1-xiaqinghuan@mail.ustc.edu.cn> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261013002124.332111-1-xiaqinghuan@mail.ustc.edu.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIxMDAzNCBTYWx0ZWRfXz2Ac7Ofyn2Yx 4HnO9t52dysVnhTKrfnPxn1lpy/YYozc3DESvoNmVwwbboozi3VY4kgaxLHy3TyfryqN/NOgpJW Ta6JPCpHtdgH3Y8qYHCCZ9UYHKKPcUfsl4Nr23rGE5k2hPcLArzBxQVQcIfhSXEkaANBwr/e8ij G/VNr13OUdz/HV2f/5iypz5tNwSDWBsqoRlAkyylVx+aP6mhsqcNLFTTt0LkM4Ux4S9Uu5Szgaa 81lPYv6wxmaw/5Kv9y4sbicrnoO+m2uUI6s+7OwGvt9UFL6DSwMJngOY0n7gx63r5z7XyUQd0Dc GwebfoLBtdwI6W3VilpKe+nZILPnF3wv2pCpsQWYL5vTrWTX9p5JJHf6un60zY0Z0bo+czgWNwS 0bO2rCy8zpnA8M3iOF+Q6GLxeAve2VsrbpmD8q2wNL3dBzvzEhaKc5IFhjFySV5xX+W33Y+FDgE a+54AhOuKha8/4PWVXA== X-Proofpoint-GUID: Y2WjpM28KqEZnnY_yTzJpIfqigXIefFj X-Proofpoint-ORIG-GUID: Y2WjpM28KqEZnnY_yTzJpIfqigXIefFj X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIxMDAzNCBTYWx0ZWRfX+Op9EAWC+6a1 /qh2PpK6geByioHNAIhXHXBcMatyCkPVoCfNCKEKpFfui2ns3nnMvGhI3a21FD9BmJCgD0YqavD TGPkLwml9wgqd8JtJ820ixvH2a60Zrk= X-Authority-Analysis: v=2.4 cv=HrTjiETS c=1 sm=1 tr=0 ts=6ad87c70 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=F1JjogKJRsLEfutlwsEA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 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=2026-10-21_02,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 impostorscore=0 suspectscore=0 bulkscore=0 adultscore=0 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610210034 On 10/13/26 2:21 AM, Qianhui Xu wrote: > From: Xu Qianhui > > The SM8750 QBG firmware fills BATT_POWER_NOW via its maximum-load updater > instead of an instantaneous measurement: the property getter indexes > context + 0x6a8 + 4 * property, so property 22 (BATT_POWER_NOW) reads the > offset written by the maximum-load path. I'm having trouble parsing this. Is that a description of what happens on the firmware side? What's a maximum-load updater? Konrad