Re: [PATCH v2 1/3] arm64: dts: qcom: kaanapali: Add USB support for Kaanapali SoC

From: Konrad Dybcio

Date: Tue Apr 07 2026 - 07:38:40 EST


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 <ronak.raheja@xxxxxxxxxxxxxxxx>
>>>
>>> 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 <ronak.raheja@xxxxxxxxxxxxxxxx>
>>> Signed-off-by: Jingyi Wang <jingyi.wang@xxxxxxxxxxxxxxxx>
>>> Signed-off-by: Krishna Kurapati <krishna.kurapati@xxxxxxxxxxxxxxxx>
>>> ---
>>
>> [...]
>>
>>> +        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