2020-04-18 16:46:55

by Malcolm Priestley

[permalink] [raw]
Subject: [PATCH] staging: vt6656: Fix drivers TBTT timing counter.

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 <[email protected]>
Signed-off-by: Malcolm Priestley <[email protected]>
---
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