> -----Original Message-----
> From: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
> Sent: Friday, March 1, 2024 6:35 AM
> To: linux-wireless@xxxxxxxxxxxxxxx
> Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; Sascha Hauer <sha@xxxxxxxxxxxxxx>
> Subject: [PATCH v2 3/4] wifi: rtw88: 8821c: Fix beacon loss and disconnect
>
> Tenda U9 V2.0, which contains RTL8811CU, is practically unusable because
> of frequent disconnections:
>
> Feb 23 14:46:45 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-BEACON-LOSS
> Feb 23 14:46:46 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-DISCONNECTED
> bssid=90:55:de:__:__:__ reason=4 locally_generated=1
>
> Feb 23 14:46:52 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-CONNECTED
> - Connection to 90:55:de:__:__:__ completed [id=0 id_str=]
> Feb 23 14:46:54 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-BEACON-LOSS
> Feb 23 14:46:55 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-DISCONNECTED
> bssid=90:55:de:__:__:__ reason=4 locally_generated=1
>
> Feb 23 14:47:01 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-CONNECTED
> - Connection to 90:55:de:__:__:__ completed [id=0 id_str=]
> Feb 23 14:47:04 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-BEACON-LOSS
> Feb 23 14:47:05 ideapad2 wpa_supplicant[427]: wlp3s0f3u2: CTRL-EVENT-DISCONNECTED
> bssid=90:55:de:__:__:__ reason=4 locally_generated=1
>
> This is caused by a mistake in the chip initialisation. This version of
> the chip requires loading an extra AGC table right after the main one,
> but the extra table is being loaded at the wrong time, in
> rtw_chip_board_info_setup().
>
> Move the extra AGC table loading to the right place, in
> rtw_phy_load_tables().
>
> The rtw_chip_board_info_setup() can only do "software" things, and
> rtw_phy_load_tables() can really do IO.
>
> Fixes: 5d6651fe8583 ("rtw88: 8821c: support RFE type2 wifi NIC")
> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
