RE: [PATCH rtw-next v3 00/11] wifi: rtw89: Add support for RTL8852CU

[Ping-Ke Shih <pkshih@realtek.com>]

Bitterblue Smith <rtl8821cerfe2@gmail.com> wrote:
> On 29/08/2025 09:23, Ping-Ke Shih wrote:
> > Bitterblue Smith <rtl8821cerfe2@gmail.com> wrote:
> >> Add support for RTL8852CU. It works well but sometimes it loses the
> >> connection:
> >>
> >> Jul 04 16:05:56 ideapad2 kernel: wlp3s0f3u4: Connection to AP ... lost
> >> Jul 14 13:45:26 ideapad2 kernel: wlp3s0f3u4: Connection to AP ... lost
> >> Jul 15 17:51:28 ideapad2 kernel: wlp3s0f3u4: Connection to AP ... lost
> >> Jul 18 14:43:30 ideapad2 kernel: wlp3s0f3u4: Connection to AP ... lost
> >> Jul 24 14:58:07 ideapad2 kernel: wlp3s0f3u4: Connection to AP ... lost
> >>
> >> When that happens it reconnects immediately.
> >
> > Internal experts told me they need more data to analyze the problem, I'll
> > share you a debug patch later. Before that, please read 4 bytes of 0xF0 register
> > via debugfs. i.e. 'echo 0xF0 4 > read_reg; cat read_reg'.
> >
> > Another thing is would you like me merge this patchset before the problem
> > get resolved? If so, end users might report problems frequently. Maybe, we
> > can just merge most patches, but not actually enable RTL8852CU by the last
> > patch. Please let me know what you think.
> >
> 
> Personally, I don't mind users reporting problems. But leaving the last
> patch for later is fine too.

I'd take this whole patchset then. But add "(EXPERIMENTAL)" to Kconfig
item as

"Realtek 8852CU USB wireless network (Wi-Fi 6E) adapter (EXPERIMENTAL)"

and describe something in Kconfig help text.

If you want, we can add a warning message at usb probe to note people
RTL8852CU isn't fully complete.