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Sun, 08 Nov 2026 22:16:49 -0800 (PST) Received: from [10.218.7.34] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b3771fa200sm9996618c88.22.2026.11.08.22.16.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 Nov 2026 22:16:48 -0800 (PST) Message-ID: Date: Mon, 9 Nov 2026 11:46:41 +0530 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 v3 3/7] regulator: pm8008: Add mode voting support for PM8010 To: Konrad Dybcio , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Guru Das Srinagesh , Liam Girdwood , Mark Brown Cc: linux-arm-msm@vger.kernel.org, mfd@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dhruvin Rajpura , Nihal Kumar Gupta , Kamal Wadhwa , Oleg Keri , Burke Cates References: <20261030-pm8010_i2c_support-v3-0-995ed1ec7a72@oss.qualcomm.com> <20261030-pm8010_i2c_support-v3-3-995ed1ec7a72@oss.qualcomm.com> <216ffb94-864e-406b-a844-4435b8ca47a1@oss.qualcomm.com> Content-Language: en-US From: Jishnu Prakash In-Reply-To: <216ffb94-864e-406b-a844-4435b8ca47a1@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=TMjQ2Fla c=1 sm=1 tr=0 ts=6af16552 cx=c_pps a=kVLUcbK0zfr7ocalXnG1qA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=8zo3re30kI2txGzbV-0A:9 a=QEXdDO2ut3YA:10 a=vr4QvYf-bLy2KjpDp97w:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA5MDAyNCBTYWx0ZWRfX8NP7uGSrsvUD zoEaykpS5OYZqbn7uUdklYnX4aEnJ0FId+bj47Es2CtXHUawOA4FYakPVvFdw/xjAf5JdUKho01 qlPfDBVuiAbrq5M+9cyFmfuTN+mFUnWJbbQW9j38o5fzpY953NQbuM/poIbuRKJoAM4qX43iOw1 ZsFa6iZ+QBJBdzv0cb+GL0URmT1Ue8lqtmhEf/EZipHJB4pWh0ueGofUA5r6GpKhQZNdPp5WiYA JG9MGHUrOYKz2n8zW74TbWuZqrGNH9hgIHlxvC+6dgzIS5yHGFKDmR/8xJqsQtMdrYcHAvW/CgT RE3gX7lyRlqhuTbpy59F6Mqfe38eDCUm2TSGBiW5Nn3h4jnzYz7WrD5hD+cVUrT+Koyp4o5PFc+ NgLE9Iz6NUpaudgoxYr+/VlwLf/5fGIvP6aqloqvQmHBpg2wwHshpCo7kAUEQToJCgI7k300lPi gcTDugulwpzF1kwHb7w== X-Proofpoint-GUID: QWwx5xdUJDgL_WwfDycsgT8DyvF84yFe X-Proofpoint-Spam-Info: AW1haW4tMjYxMTA5MDAyNCBTYWx0ZWRfXzWKTY9SC9n/N pR9eU7Q5ijdXOmt0hYCM8pcDNs3w+e6zR0RaAJdjt3suJZgkONCmXGcubin6o3fHDuOHVPvgkuM aIQL6ardI5H9Q/dpfQ5ibCK4JTP5P6I= X-Proofpoint-ORIG-GUID: QWwx5xdUJDgL_WwfDycsgT8DyvF84yFe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-09_03,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 phishscore=0 priorityscore=1501 spamscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611090024 Hi Konrad, On 11/2/2026 5:40 PM, Konrad Dybcio wrote: > On 10/30/26 7:20 AM, Jishnu Prakash wrote: >> From: Dhruvin Rajpura >> >> Implement set_mode/get_mode support for PM8010 LDOs using the mode >> control and status registers to allow clients to vote for LDO modes. >> Mode voting is not supported in the PM8008 LDOs. >> >> Signed-off-by: Dhruvin Rajpura >> Signed-off-by: Jishnu Prakash >> --- > > This defers the modesetting to the consumer. Please take a look at > the qcom-rpmh-regulator driver and implement something like this: > > static unsigned int rpmh_regulator_vrm_get_optimum_mode( > struct regulator_dev *rdev, int input_uV, int output_uV, int load_uA) > { > struct rpmh_vreg *vreg = rdev_get_drvdata(rdev); > > if (load_uA >= vreg->hw_data->hpm_min_load_uA) > return REGULATOR_MODE_NORMAL; > else > return REGULATOR_MODE_IDLE; > } > > and fill out the max current allowed for LPM for each regulator Yes, I'll be making this change in the next patch version. Thanks, Jishnu > > Konrad