The drivers TBTT counter is not synchronized with mac80211 timestamp. Reorder the functions and use vnt_update_next_tbtt to do the final synchronize. Fixes: c15158797df6 ("staging: vt6656: implement TSF counter") Cc: stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx> --- drivers/staging/vt6656/main_usb.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index b2729d5eadfb..4213679345eb 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -762,12 +762,15 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); - vnt_adjust_tsf(priv, conf->beacon_rate->hw_value, - conf->sync_tsf, priv->current_tsf); - vnt_mac_set_beacon_interval(priv, conf->beacon_int); vnt_reset_next_tbtt(priv, conf->beacon_int); + + vnt_adjust_tsf(priv, conf->beacon_rate->hw_value, + conf->sync_tsf, priv->current_tsf); + + vnt_update_next_tbtt(priv, + conf->sync_tsf, conf->beacon_int); } else { vnt_clear_current_tsf(priv); -- 2.25.1