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Mon, 20 May 2024 12:19:11 GMT Received: from [10.214.67.128] (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 20 May 2024 05:19:07 -0700 Message-ID: <4bd22d28-63d9-d700-2a0c-eb08ceb66a9c@quicinc.com> Date: Mon, 20 May 2024 17:49:04 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH] arm64: dts: qcom: qdu/qru1000-idp: Fix the voltage setting Content-Language: en-US To: Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Melody Olvera , , , References: <20240514131038.28036-1-quic_kbajaj@quicinc.com> <45e0aee9-87d5-434f-8ffe-d3270def0f72@kernel.org> <1c214d8b-9c59-7266-4c80-4b548ad6c7f9@quicinc.com> <5c7409df-692c-4f22-aea6-56865e801a30@kernel.org> From: Komal Bajaj In-Reply-To: <5c7409df-692c-4f22-aea6-56865e801a30@kernel.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: SrkH2OH6Woqmoyqe6ETTA8DW0o3WKso3 X-Proofpoint-ORIG-GUID: SrkH2OH6Woqmoyqe6ETTA8DW0o3WKso3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-20_05,2024-05-17_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 bulkscore=0 phishscore=0 mlxscore=0 malwarescore=0 suspectscore=0 adultscore=0 mlxlogscore=903 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405010000 definitions=main-2405200102 On 5/17/2024 2:20 PM, Krzysztof Kozlowski wrote: > On 16/05/2024 07:52, Komal Bajaj wrote: >> >> >> On 5/14/2024 6:57 PM, Krzysztof Kozlowski wrote: >>> On 14/05/2024 15:10, Komal Bajaj wrote: >>>> Fixing the regulator voltages for qdu/qru1000 idp boards. >>>> In particular - >>>> - smps4 is 1.574V min and 2.04V max >>>> - smps5 is 1.2V min and 1.4V max >>>> - smps6 is 0.382V min and 1.12V max >>> >>> Wait, why? This looks, at least partially, you are changing from fixed >>> voltage choice to full range, without clear explanation. >>> >> >> When we started using one of these regulators for USB enablement as sent >> in the patch series [1], we saw a sudden reboot. >> After adding more debug logs, came to know the configuration for smps5 >> was incorrect. >> >> Therefore, cross verified the configurations for all the regulators and >> got to know that these are incorrectly configured. >> This fixes some manual errors introduced in the initial patch (mentioned >> in fixes tag). >> >> [1] >> https://lore.kernel.org/linux-arm-msm/20240502090326.21489-1-quic_kbajaj@quicinc.com/ > > All this should be explained in commit msg. Got it. Will add all this info into the commit message of the next version. Thanks Komal > > Best regards, > Krzysztof > >