wifi: rtw89: fix 8852AE disconnection caused by RX full flags
authorPing-Ke Shih <pkshih@realtek.com>
Tue, 8 Aug 2023 00:54:26 +0000 (08:54 +0800)
committerJohannes Berg <johannes.berg@intel.com>
Tue, 8 Aug 2023 10:52:07 +0000 (12:52 +0200)
commitb74bb07cdab6859e1a3fc9fe7351052176322ddf
treefa56b0bc68c342a534d4d71b55e2f1d000e8a44f
parent017e9420c1ca19bc169e20fa749709723eaf1eb7
wifi: rtw89: fix 8852AE disconnection caused by RX full flags

RX full flags are raised if certain types of RX FIFO are full, and then
drop all following MPDU of AMPDU. In order to resume to receive MPDU
when RX FIFO becomes available, we clear the register bits by the
commit a0d99ebb3ecd ("wifi: rtw89: initialize DMA of CMAC"). But, 8852AE
needs more settings to support this. To quickly fix disconnection problem,
revert the behavior as before.

Fixes: a0d99ebb3ecd ("wifi: rtw89: initialize DMA of CMAC")
Reported-by: Damian B <bronecki.damian@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217710
Cc: <Stable@vger.kernel.org>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Damian B <bronecki.damian@gmail.com>
Link: https://lore.kernel.org/r/20230808005426.5327-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
drivers/net/wireless/realtek/rtw89/mac.c