If lsmod | grep ath9k_htc returns nothing, try loading the module manually:
sudo apt install firmware-atheros
sudo modprobe -r ath9k_htc
sudo modprobe ath9k_htc
(Replace rtl871x with the actual module name causing the conflict, if known.) install atheros ar9271 driver kali linux
sudo modprobe -r ath9k_htc sudo modprobe ath9k_htc Installing the Atheros AR9271 (ath9k_htc) driver on Kali