usleep_range can cause excessive latency on channel change if waiting for the MAC to stop fails. It will be forced to stop by the code following that loop anyway. Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt76x2_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c index 7096256c7f50..4e5f360d0655 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c @@ -376,7 +376,7 @@ void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force) if ((mt76_rr(dev, MT_MAC_STATUS) & (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) || mt76_rr(dev, MT_BBP(IBI, 12))) { - usleep_range(10, 20); + udelay(1); continue; } -- 2.17.0