From: Malcolm Priestley <tvboxspy@xxxxxxxxx>
commit 09057742af98a39ebffa27fac4f889dc873132de upstream.
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>
Link: https://lore.kernel.org/r/375d0b25-e8bc-c8f7-9b10-6cc705d486ee@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/vt6656/main_usb.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -777,12 +777,15 @@ static void vnt_bss_info_changed(struct
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);
