On Tue, May 31, 2022 at 01:07:36AM +0000, Ping-Ke Shih wrote: > On Mon, 2022-05-30 at 15:54 +0200, Sascha Hauer wrote: > > The powersave modes do not work with USB devices (tested with a > > RTW8822CU) properly. With powersave modes enabled the driver issues > > messages like: > > > > rtw_8822cu 1-1:1.2: firmware failed to leave lps state > > rtw_8822cu 1-1:1.2: timed out to flush queue 3 > > Could you try module parameter rtw_disable_lps_deep_mode=1 to see > if it can work? No, this module parameter doesn't seem to make any difference. # cat /sys/module/rtw88_core/parameters/disable_lps_deep Y Still "firmware failed to leave lps state" and poor performance. Any other ideas what may go wrong here? Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
