diff mbox

[5/5] mt76: use udelay instead of usleep_range in mt76x2_mac_stop

Message ID 20180520054349.49422-5-nbd@nbd.name (mailing list archive)
State Accepted
Commit cbec83d40cc79137b008d0dd44846c5f2146a83d
Delegated to: Kalle Valo
Headers show

Commit Message

Felix Fietkau May 20, 2018, 5:43 a.m. UTC 
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>
---
 drivers/net/wireless/mediatek/mt76/mt76x2_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

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;
 		}