From 4ea91d1c39ca3fcd76f9bd8d45807a9ff4f94699 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 1 Feb 2016 13:26:45 +0100
Subject: [PATCH] mt76x2: fix FIFO status polling order

Reported-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 mt76x2_mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mt76x2_mac.c b/mt76x2_mac.c
index b8356879..c006937b 100644
--- a/mt76x2_mac.c
+++ b/mt76x2_mac.c
@@ -413,13 +413,13 @@ void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq)
 		u32 stat1, stat2;
 
 		spin_lock_irqsave(&dev->irq_lock, flags);
+		stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
 		stat1 = mt76_rr(dev, MT_TX_STAT_FIFO);
 		if (!(stat1 & MT_TX_STAT_FIFO_VALID)) {
 			spin_unlock_irqrestore(&dev->irq_lock, flags);
 			break;
 		}
 
-		stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
 		spin_unlock_irqrestore(&dev->irq_lock, flags);
 
 		stat.valid = 1;