Re: [PATCH rtw-next v8 0/7] wifi: rtw88: add RTL8723B/RTL8723BS support

From: Luka Gejak

Date: Thu Oct 22 2026 - 11:48:53 EST


Hi Peter,

October 22, 2026 at 5:38 PM, "Peter Robinson" <pbrobinson@xxxxxxxxx> wrote:


>
> Hey Luka,
>
> On Tue, 6 Oct 2026 at 14:07, Luka Gejak <luka.gejak@xxxxxxxxx> wrote:
>
> >
> > This is the second of two series adding support for the Realtek RTL8723B
> > 802.11n chipset and its RTL8723BS SDIO variant to rtw88. The preparation
> > series has landed in rtw-next, so this series carries the chip register
> > definitions, the BB/RF/AGC tables, the chip driver, the SDIO bind and the
> > build glue.
> >
> > The first and fourth patches are the shared-core changes. The first moves
> > the CCK power detect setter out of rtw88xxa.c into phy.c as
> > rtw_phy_cck_pd_set(), so this chip can use it without pulling in
> > rtw88_88xxa. The fourth moves the definitions RTL8723B shares with RTL8703B
> > into rtw8723x.h. The five chip patches apply on top and can be read on
> > their own.
> >
> > The driver supports:
> >
> > - RTL8723B / RTL8723BS, SDIO only
> > - 2.4 GHz 802.11n, HT20 and HT40
> > - one spatial stream
> > - station mode
> >
> > Only station mode has been validated. The common rtw88 core advertises AP
> > and IBSS for all chips, so those modes are advertised for RTL8723BS as
> > well, but neither has been tested. An out-of-tree tester has reported AP
> > mode associating without DHCP completing. The five additional SDIO IDs are
> > included for parity with the existing staging driver, and only the 0xb723
> > device has been exercised.
> >
> > The chip driver requests:
> >
> > rtw88/rtw8723b_fw.bin
> >
> > This is the version 41 firmware extracted from the Realtek rtl8723bs
> > vendor driver. It was submitted separately to linux-firmware with its
> > extraction provenance and carries Ping-Ke Shih's Reviewed-by. There is no
> > known native rtw88 RTL8723B firmware.
> >
> Did we get the firmware PR done against linux-firmware?

Yes the firmware was merged even before the prep series.

>
> One thing to note here is that the old revision of the firmware will
> need to remain in linux-firmware as the LTS kernels will need them,
> not sure that's a problem as the drivers use different paths.
>

It is its own entry, not a replacement for existing one, so LTS kernels
are not affected.

> It would be useful to get that done so users don't see a regression as
> the old driver is removed.
>

Already done as said above.

Best regards,
Luka Gejak