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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a3e3cb2e1bsm14347065ad.60.2026.01.06.00.14.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Jan 2026 00:14:16 -0800 (PST) Message-ID: <1f856ebc-acbf-44f3-ac16-d21baac99033@oss.qualcomm.com> Date: Tue, 6 Jan 2026 16:14:12 +0800 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: [PATCH 3/4] arm64: dts: qcom: Commonize IQ-X-IOT DTSI To: Dmitry Baryshkov Cc: Krzysztof Kozlowski , Yijie Yang , andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <448f2efa-5b1e-4855-a62d-2e375938b36f@kernel.org> <36cb7d6e-ece4-42c7-bc11-b66837df5fc4@kernel.org> <469d89c9-8f6c-4abe-9d9f-b6a47f8cefd8@oss.qualcomm.com> <6qvzhyjrxctrrdvhktxkusyhdcohr43muung5paan2i35suxwg@kfl5kkmpv4fw> <3f3dfd39-2cd1-4b03-8632-2c9d15b0bc2e@oss.qualcomm.com> Content-Language: en-US From: Tingwei Zhang In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: qmsZciN02tMSmN5mNCQcjkooYVn808L7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA2MDA2OCBTYWx0ZWRfX0v56B0UBm3pu Q1pkJQJZ62uR5hHJQ3R2oGZkumNoVVKKtvqKui4+KkZCKcCykzqeSKUShyytHUBcshnCsnVpxbU 3PtTaf9vLNOitlHMBCeszUO9nWBvhdqs6NbslmNlmzj3WdsHn7dh092zoB9dVsoR85xHUYpxjgf /jo5xkeBoPhDgibISdbamaXRpapYNoMea8B24/jMjTcBWAAIecXnjIZfizc5Fo8s6KMqxUZcBvc S/Udhi0C3NYfNR2fZIml3kZaIVdtdoAt0YJ+Iser9Mv3DjmqhOmGBnECpSu5NoZwcKNr+kdPyvi 8QQTgPIchugEBxcRXgh7BdLG10FNagQdK2yQqZSeziSlRbUXckW0eibbBooUJahtf7b8JTwaPIX xK/Z49idmIEFaCcm5qfyzv6I0QYY3XWoh6HmfpvJxY8ugPCRc84jotVNQ8Z7BJqT4uQzuTUVY4O nqkkH+iVHbXP5Tvhwaw== X-Proofpoint-GUID: qmsZciN02tMSmN5mNCQcjkooYVn808L7 X-Authority-Analysis: v=2.4 cv=KfnfcAYD c=1 sm=1 tr=0 ts=695cc45a cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=ysaQQQ1bBglnGum-p6wA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-05_02,2026-01-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 clxscore=1015 spamscore=0 adultscore=0 suspectscore=0 malwarescore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601060068 On 1/6/2026 11:26 AM, Dmitry Baryshkov wrote: > On Tue, Jan 06, 2026 at 11:05:30AM +0800, Tingwei Zhang wrote: >> >> On 1/6/2026 9:47 AM, Dmitry Baryshkov wrote: >>> On Tue, Jan 06, 2026 at 09:24:38AM +0800, Tingwei Zhang wrote: >>>> On 1/5/2026 11:09 PM, Krzysztof Kozlowski wrote: >>>>> On 05/01/2026 06:36, Tingwei Zhang wrote: >>>>>> On 12/30/2025 3:21 PM, Krzysztof Kozlowski wrote: >>>>>>> On 29/12/2025 21:08, Dmitry Baryshkov wrote: >>>>>>>> On Mon, Dec 29, 2025 at 09:47:05AM +0100, Krzysztof Kozlowski wrote: >>>>>>>>> On 29/12/2025 08:38, Yijie Yang wrote: >>>>>>>>>> On 12/29/2025 3:21 PM, Krzysztof Kozlowski wrote: >>>>>>>>>>> On 29/12/2025 02:23, Tingwei Zhang wrote: >>>>>>>>>>>> On 12/24/2025 8:12 AM, Tingwei Zhang wrote: >>>>>>>>>>>>> On 12/23/2025 9:41 PM, Krzysztof Kozlowski wrote: >>>>>>>>>>>>>> On 23/12/2025 04:38, Tingwei Zhang wrote: >>>>>>>>>>>>>>> On 12/22/2025 5:11 PM, Krzysztof Kozlowski wrote: >>>>>>>>>>>>>>>> On Mon, Dec 22, 2025 at 02:03:28PM +0800, YijieYang wrote: >>>>> If this was the same SoM, just with different SoC soldered, it would >>>>> have the same PMICs. Different PMICs means different SoM... >>>> I agree. It's not same SoM, but they are very similar with same circuit board. >>>>> Anyway, I shared my opinion and I am not going to spend more time on >>>>> this. It should not be my task to go through schematics and prove that >>>>> PMICs differ. Authors should. >>>> We will make it more clear in the description about PMIC difference. >>>> Since we have the agreement that Hamoa/Purwa modules are very similar, >>>> we will use common dtsi in next version. Please let me know if you think >>>> that's not correct thing to do. >>> I think, you have been clearly told _not_ _to_. You have agreed that >>> they are not the same module. So, please stop. >>> >> From hardware side, I think we are on same page. Hamoa and Purwa modules >> are not same SoM, but they are very similar. The only difference is different >> SoC, PCI, APC supply and one PMIC. The circuit boards are same. >> We have exactly same case on Hamoa/Purwa CRD which uses a common >> dtsi. >> Can we use common dtsi for the hardware boards which are very similar? >> Is that very strict that the hardware boards have to be exactly same? > I don't have a very strict opinion about the shared DTSIs. However, I > really want to point out: you got an review comment that it is > unacceptable, you never got a comment that it's fine, nevertheless you > want to ignore that review comment, coming from DT bindings maintainer. > In 99% of the cases _ignoring_ the comment is a very wrong idea. > > From my PoV, asking to "Please let me know if you think that's not > correct thing to do." after you got all the previous emails is rude. > I had understood that boards with very similar designs could utilize common devices such as the Hamoa/Purwa CRD, and that we had aligned on the similarity between the Hamoa and Purwa SoM boards. If this assumption is incorrect, please accept my apologies.