Commit cbec83d4 authored May 20, 2018 by Felix Fietkau Committed by Kalle Valo May 23, 2018

mt76: use udelay instead of usleep_range in mt76x2_mac_stop



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@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

parent 26e40d4c

drivers/net/wireless/mediatek/mt76/mt76x2_init.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}

Admin message