> -----Original Message-----
> From: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
> Sent: Friday, March 1, 2024 6:33 AM
> To: linux-wireless@xxxxxxxxxxxxxxx
> Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; Sascha Hauer <sha@xxxxxxxxxxxxxx>; Sean Mollet <sean@xxxxxxxxxxxx>
> Subject: [PATCH v2 1/4] wifi: rtw88: 8821cu: Fix firmware upload fail
>
> RTL8822CU, RTL8822BU, and RTL8821CU need an extra register write after
> reading and writing certain addresses.
>
> Without this, the firmware upload fails approximately more than 50% of
> the time.
>
> Tested with RTL8811CU (Tenda U9 V2.0) which is the same as RTL8821CU
> but without Bluetooth.
>
> Fixes: a82dfd33d123 ("wifi: rtw88: Add common USB chip support")
> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
