diff options
| author | Felix Fietkau <nbd@nbd.name> | 2019-02-24 11:24:43 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2019-02-26 10:28:18 +0100 |
| commit | b3f09304bab1a775a5fda7b4bd43798118c71567 (patch) | |
| tree | 6e7aef2169535f55ee463bfe6338a106aaa4b654 /drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c | |
| parent | a6982fcdc3c82f0500b6bacdb471fcf406ef623a (diff) | |
mt76: mt76x02: fix beacon timer drift adjustment
Check the count before incrementing it to match vendor code behavior.
This defers the adjustment by one more tick, which should improve accuracy
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c index 374bc9d91f12..f0198eea2bb8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c @@ -79,24 +79,24 @@ mt76x02_resync_beacon_timer(struct mt76x02_dev *dev) * Beacon timer drifts by 1us every tick, the timer is configured * in 1/16 TU (64us) units. */ - if (dev->tbtt_count < 62) + if (dev->tbtt_count < 63) return; - if (dev->tbtt_count >= 64) { - dev->tbtt_count = 0; - return; - } - /* * The updated beacon interval takes effect after two TBTT, because * at this point the original interval has already been loaded into * the next TBTT_TIMER value */ - if (dev->tbtt_count == 62) + if (dev->tbtt_count == 63) timer_val -= 1; mt76_rmw_field(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_INTVAL, timer_val); + + if (dev->tbtt_count >= 64) { + dev->tbtt_count = 0; + return; + } } static void mt76x02_pre_tbtt_tasklet(unsigned long arg) |