Thibaut VARÈNE <hacks+kernel@xxxxxxxxxxxxx> wrote: > This patch fixes an invalid TX PA DC bias level on QCA9561, which > results in a very low output power and very low throughput as devices > are further away from the AP (compared to other 2.4GHz APs). > > This patch was suggested by Felix Fietkau, who noted[1]: > "The value written to that register is wrong, because while the mask > definition AR_CH0_TOP2_XPABIASLVL uses a different value for 9561, the > shift definition AR_CH0_TOP2_XPABIASLVL_S is hardcoded to 12, which is > wrong for 9561." > > In real life testing, without this patch the 2.4GHz throughput on > Yuncore XD3200 is around 10Mbps sitting next to the AP, and closer to > practical maximum with the patch applied. > > [1] https://lore.kernel.org/all/91c58969-c60e-2f41-00ac-737786d435ae@xxxxxxxx > > Signed-off-by: Thibaut VARÈNE <hacks+kernel@xxxxxxxxxxxxx> > Acked-by: Felix Fietkau <nbd@xxxxxxxx> > Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. e999a5da28a0 ath9k: fix QCA9561 PA bias level -- https://patchwork.kernel.org/project/linux-wireless/patch/20220417145145.1847-1-hacks+kernel@xxxxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
