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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a7190abc79sm111372985ad.9.2026.01.19.22.47.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Jan 2026 22:47:12 -0800 (PST) Message-ID: <110b87e9-4f74-4a81-bc98-a1f965e03c66@oss.qualcomm.com> Date: Tue, 20 Jan 2026 14:47:05 +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: Konrad Dybcio , 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> <7sbof5mgm7mqtm4gh45f4w7264akplqtkfyplrerek4w6seipl@ith7sc3wmgih> Content-Language: en-US From: Yijie Yang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: tw2leF177iO0Wy79ZZO971LV1Rxmxf0U X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIwMDA1NCBTYWx0ZWRfX7+6MSwchbfwW MxsmqPlFin9/VYtqFHSr/LJr1NeCzvSZK4m409/YTqLyk9CGl6d9dBgM6vP31biQyHyw1UP2qYU hJKx/lwEq9n3hO7XP6/LzhmvR9OUsUhpTy9Z62YQelIF23kgwhL7o/Bld0JRge2K9lUXhocNa// 7XBdqM9tbI9GZeyd8OI2poak1L3tB80g9FHci4hzFeY2Hl7/GBoxEcltpfQKvTQgIcY6FtnfQyi 7nmF0vU0h9/T3T/uEr6cXqX6KrgPMGgubn9xjutwuXYmZxysdYMDha1o2c32dLyrPczQvSN09oe 7rPzzpFONcQ5S2l8XVYpBnO6XDfMmhiF9whhFmOGveERIiatEvcrdrBfhyjE107A1mcHnT5yROP +JxSI0/whfQz/tj7wKhcNUasq9Jat148uG+22wjAm53pcAf49CkvENWsbyTbsdcd0k0i39O25FG w8KQwlcRba0eil2UGtQ== X-Authority-Analysis: v=2.4 cv=PdfyRyhd c=1 sm=1 tr=0 ts=696f24f2 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=25GqE7iRlsqttpV648YA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: tw2leF177iO0Wy79ZZO971LV1Rxmxf0U 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=2026-01-20_01,2026-01-19_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 spamscore=0 phishscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601200054 On 1/19/2026 9:31 PM, Konrad Dybcio wrote: > On 1/19/26 10:46 AM, Dmitry Baryshkov wrote: >> On Mon, Jan 19, 2026 at 04:48:20PM +0800, Yijie Yang wrote: >>> >>> >>> 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? >> >> Within this or in the separate patchset, but it needs to be fixed before >> this patch can go in. Otherwise we are enabling broken PCIe3. > > https://lore.kernel.org/linux-arm-msm/20260119-topic-purwa_phy_shutup_warning-v1-1-997a692b31c6@oss.qualcomm.com/T/#u Thanks, I can add this as a dependency. > > Konrad -- Best Regards, Yijie