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

[Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>]

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@oss.qualcomm.com>
>>
>> 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@oss.qualcomm.com>
>> Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
>> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
>> ---
> 
> [...]
> 
>> +		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.

Regards,
Krishna,