Re: [PATCH rtw-next v2 1/1] wifi: rtw89: usb: Support switching to USB 3 mode

From: Bitterblue Smith

Date: Mon May 11 2026 - 18:31:41 EST


On 11/05/2026 23:03, Devin Wittmayer wrote:
> On Mon, 2026-05-11 at 21:14 +0300, Bitterblue Smith wrote:
>> Are you quite sure you tested this?
>
> Yes. Full test matrix is in the v2 cover letter (PATCH 0/1) of
> this series:
>

Good, good. So how did you avoid the crash?

> - DWA-X1850 A1 / B1 (RTL8852AU)
> - BrosTrend AX1L / AX4L (RTL8852BU)
> - BrosTrend AX8L / EDUP AXE5400 (RTL8852CU)
>
> Six adapters, x86_64 Tiger Lake xHCI + aarch64 BCM2712 / RP1 hosts.
> 60 plug-cycles + 30+ throughput cells captured 2026-04-11 to
> 2026-05-07. USB enumeration verified at SuperSpeed (5000 Mbps) on
> every patched cell.
>
> Per-cell raw evidence for the May 2026 expanded matrix (40 iperf3
> JSON files per cell, byte-counter deltas, pre/post link state,
> pre/post USB enumeration speeds, per-iteration timestamps) at:
>
> https://github.com/Lucid-Duck/rtw89-usb3-gap/tree/main/evidence/may-2026-laptop
>
> Per-adapter summaries:
>
> https://github.com/Lucid-Duck/rtw89-usb3-gap/tree/main/adapters
>
> If the Tested-by trailer should be annotated with the specific chip
> list, I will add that when, and if, a v3 is needed.
>
> Devin