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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3527306d30dsm8528150a91.6.2026.01.19.00.48.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Jan 2026 00:48:26 -0800 (PST) Message-ID: Date: Mon, 19 Jan 2026 16:48:20 +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 v4 4/4] arm64: dts: qcom: Add base PURWA-IOT-EVK board To: Dmitry Baryshkov Cc: Krzysztof Kozlowski , 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: <20260116-purwa-v4-0-89b2adae9f09@oss.qualcomm.com> <20260116104136.2922032-4-yijie.yang@oss.qualcomm.com> <3404f2f4-7edb-4bff-925b-0a6a7a450f5c@oss.qualcomm.com> Content-Language: en-US From: Yijie Yang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=SNhPlevH c=1 sm=1 tr=0 ts=696defdc cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=1ir06EIKMARb4SxFNewA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE5MDA3MSBTYWx0ZWRfX3y7ZOp/QUtE0 ZrIFAaGgNHY9uvkyUM8DNKgyxhXjbaEWt/iX5CScqahuGcP5wmMAawsfRm/JUqPD/j7kay/kGp5 /7MEpENGi2sJhAKsBHRjVahB0Xf1vjfOtbFx/F+TOBO8pbtEmBpdtgnqbngRJj6yQnTuXlnV7JV 4nrnzhRlIfXAcvZXZnN98ihgiwd4JnCTrkp3wsCWl1i1Y4EiiMTImVe53gbqmOTtmAEJ/LOkqC/ Jf9xhzq60NQtsGl5qyE61jUGP0eMAIZ1K0iflLmv/XngiyLcyfREojEIf9nD7Quq/M2SATMPPj3 yDhYMFlK/OeOpruhvk7X42Y/eObA5TRfAm+RSAcCmkKoPrHQXAHR/dCxNA5fq7m9ydzKRMzgKmg gWnQ1kvBRyawRE2nOMkj4PjI2SL369anoKGtR6/EfIco/6SGCs+UCui18vgGC1Wrs+ngxrQGK/3 8riBXvdpQHu+fwELehA== X-Proofpoint-ORIG-GUID: 8Tt_2kT14zb1z1wtGBXVXt6v4StCGj7V X-Proofpoint-GUID: 8Tt_2kT14zb1z1wtGBXVXt6v4StCGj7V 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=2026-01-19_01,2026-01-19_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 bulkscore=0 spamscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601190071 On 1/19/2026 2:33 PM, Dmitry Baryshkov wrote: > On Mon, Jan 19, 2026 at 11:13:29AM +0800, Yijie Yang wrote: >> >> >> On 1/17/2026 12:19 AM, Krzysztof Kozlowski wrote: >>> On 16/01/2026 11:41, YijieYang wrote: >>>> From: Yijie Yang >>>> >>>> The PURWA-IOT-EVK is an evaluation platform for IoT products, composed of >>>> the Purwa IoT SoM and a carrier board. Together, they form a complete >>>> embedded system capable of booting to UART. >>>> >>>> PURWA-IOT-EVK uses the PS8833 as a retimer for USB0, unlike HAMOA-IOT-EVK. >>>> Meanwhile, USB0 bypasses the SBU selector FSUSB42. >>>> >>> >>> NAK. >>> >>> Warnings were reported at v3. Did you address them? No, you completely >>> ignored them, so warnings are reported again at v4. >>> >>> What do you think these emails are for? >> >> This warning is caused by the pcie3_phy node in purwa.dtsi, which is not >> introduced by this patch set. Since it does not impact functionality, would >> it be appropriate to fix it in a separate patch? > > Why can't it be fixed as a part of this patchset? 'qcom,4ln-config-sel' is a property related to bifurcated PHY support, which Purwa’s PCIe3 does not provide. Therefore, introducing a new compatible with a corresponding binding would be more appropriate than simply adding this property. Is it acceptable to address this within the current patch set? > >> >>> >>> Best regards, >>> Krzysztof >> >> -- >> Best Regards, >> Yijie >> > -- Best Regards, Yijie