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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9c3d02885esm547639566b.60.2026.04.07.04.37.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Apr 2026 04:37:49 -0700 (PDT) Message-ID: <05bdf5ec-ec0a-4a47-b03a-39a89039e7ee@oss.qualcomm.com> Date: Tue, 7 Apr 2026 13:37:47 +0200 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 v2 1/3] arm64: dts: qcom: kaanapali: Add USB support for Kaanapali SoC To: Krishna Kurapati , "Aiqun(Maria) Yu" , Jingyi Wang Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Konrad Dybcio , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-kernel@vger.kernel.org, Ronak Raheja , Jingyi Wang References: <20260329175249.2946508-1-krishna.kurapati@oss.qualcomm.com> <20260329175249.2946508-2-krishna.kurapati@oss.qualcomm.com> <3a415fae-bafc-4e23-bfca-564bff90cf2d@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <3a415fae-bafc-4e23-bfca-564bff90cf2d@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA3MDEwOSBTYWx0ZWRfX/eH6BGNWHHmx FdKMkZxFxuiphf+lHLTb0IW4q0d8aDciFV7FWv4Ms1g43E7XMe1m3oEKuHiFTVirfkrD9cugcfT qdQoTbGAdwdnGJkhrgcHuILn99k61q721FCd7txTpg+WTVCFdYntahT0iLmONHh+fh4wpoAfrvx Jf0MYI6f6u/1W7hN9ooHd0M81UZ68urzyEc4jbUjaeLW/El+6vZ69fp03/hozuMkZf/4C6OXlWw 8+cewjmyMlu+viMzZdXvH/3gk3mKIS1ClFD+OPNWLmnk4dxEYSO5b1opb4Gqnewma7EdzFMFK3P DpMHuafgZVIKvPEFejod3dpt4mS//8Ii6gGI+C0jgpWQmnd8J/fXW4HRPNGbX8OyhPemYb17pLp lbIG6TFzYzVo0RgrGlEsTfsiL+sTomMgx6quoFXBvl5q+UMTvoCOdXc7QnyAHJurkeQayt80Br+ sN4+XmFf2Ur9M9yr6jw== X-Proofpoint-GUID: Vm2j_-yNt5-9S3WSPDj_rcsRmm07JWeW X-Authority-Analysis: v=2.4 cv=XPUAjwhE c=1 sm=1 tr=0 ts=69d4ec8f cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=P3oJegwuExavWH9XlUQA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: Vm2j_-yNt5-9S3WSPDj_rcsRmm07JWeW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-07_02,2026-04-07_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 adultscore=0 phishscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070109 On 4/6/26 7:52 PM, Krishna Kurapati wrote: > > > On 3/30/2026 2:48 PM, Konrad Dybcio wrote: >> On 3/29/26 7:52 PM, Krishna Kurapati wrote: >>> From: Ronak Raheja >>> >>> Add the base USB devicetree definitions for Kaanapali platform. The overall >>> chipset contains a single DWC3 USB3 controller (rev. 200a), SS QMP PHY >>> (rev. v8) and M31 eUSB2 PHY. >>> >>> Signed-off-by: Ronak Raheja >>> Signed-off-by: Jingyi Wang >>> Signed-off-by: Krishna Kurapati >>> --- >> >> [...] >> >>> +        usb: usb@a600000 { >>> +            compatible = "qcom,kaanapali-dwc3", "qcom,snps-dwc3"; >>> +            reg = <0x0 0x0a600000 0x0 0xfc100>; >> >> Following the woes on Hamoa, can the platform suspend and wake up >> succesfully with the flattened DT node? >> > > There is a crash on resume when I tested but it comes up even without my changes: > > [   65.263890] Call trace: > [   65.266489]  kthreads_update_affinity+0x94/0x158 (P) > [   65.271664]  kthreads_online_cpu+0x14/0x84 > [   65.275951]  cpuhp_invoke_callback+0xdc/0x1dc > [   65.280514]  cpuhp_thread_fun+0x11c/0x168 > [   65.284717]  smpboot_thread_fn+0x1e4/0x24c > [   65.289019]  kthread+0x104/0x124 > [   65.292411]  ret_from_fork+0x10/0x20 > [   65.296156] Code: f94002f7 eb1602ff 540003a0 f85f82e8 (b9402d09) > [   65.302490] ---[ end trace 0000000000000000 ]--- > > Hence I believe my changes are not causing any crash. Oh.. that's.. not good.. I was hoping someone tested that.. +Maria, Jingyi for awareness Konrad