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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=b9qCJNGx c=1 sm=1 tr=0 ts=6a969fba cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=Z5ZTpvPW9XwtcESjBGUA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDA4NiBTYWx0ZWRfXwG2fwuakAXok OrF5G3q4jFlnzEPv53oOxzKBOoNYbDXtA8f4bCIgABfx6I6ycmLbtHK3wESgTaOHyinkjEaYtmo Fx0I3GOa20sfGITUbbF2QKiDraEhpHjIjHCbpBe526MsmY4x7gg0hhS9ozeT+gUjjW+zqNrVA8j w7aKBXfUA+FCtQ/O9/oFr83BXrR4TpTW9RQrAIuN/cb7GQElUOccWcTORd9eUWWjpVaEVOCyXag SV+xx25QA5ROQ080wYMarKQ4Cuf36r2f2q+t3qnQymOqF0pmXrNcparVk0FDrhsamo+19Fkl3lV QPV25hAnDKLDDpCGbNVRbYTNHhkgJuzEXQ2EBDOZ+ZxZ1Ca3xuMVNPtAEmYs4iJd2Dyu+cXzyNS aLGAOf2Am9nBPA6VF1YWymX9nGHKLLYiKCd4HI7QSb/1ogbJq9f2kP1ZQuDowws7J3gcoUJPG9T ZUsHIedxh7xxCwhSgng== X-Proofpoint-GUID: XXXJ_CZ9Ws-hztyt4lffMzMuKQKuYxEr X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDA4NiBTYWx0ZWRfX5mTfj6IEK6rh E7yUBScJpK6cW/ZfbNy+V7p51fWAkREWt/Y4LWq+XQry7zzp0a1pIDVvxqWFpFomVfLKPQr6t0e aG/8E3pCvOre57oi1DLKyROZsMXMdTk= X-Proofpoint-ORIG-GUID: XXXJ_CZ9Ws-hztyt4lffMzMuKQKuYxEr 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_02,2026-08-31_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-2609010086 On 8/1/26 10:00 AM, Kamal Wadhwa wrote: > Currently, during regulator registration, regulator framework sends an > unnecessary `min-microvolts` request for the rpmh-regulator device. This > happens because in current design, we do not have a way to readback the > voltage settings that was set during the bootloader stage. > > Fix this by using the rpmh_read() API to read the regulator voltage > settings done during boot and make it available to regulator framework > from the very first read after the bootup. > > Also use this API to read the mode/bypass settings as well. This will > provide the regulator framework a sense of the initial settings done by > bootloader and thus preventing any redundant writes for any setting post > bootup incase the same setting was already applied during bootup. > > Signed-off-by: Kamal Wadhwa > --- SC8180X Primus hangs with this patch applied and so does SM8150 HDK. Interestingly, SDM845 DB845c doesn't I think we may need to opt some platforms out of this.. Konrad