From ad333c2ad23ec179b0c907e8553779873f4cc1c8 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 22 Apr 2020 12:32:10 +0200
Subject: [PATCH] mt76: mt7615: do not adjust MAC timings if the device is not running
Git-commit: ad333c2ad23ec179b0c907e8553779873f4cc1c8
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
Avoids register writes and MAC start/stop when the hardware isn't ready for it
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 88cbf5ffa290..89aed6d67de0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -119,6 +119,9 @@ void mt7615_mac_set_timing(struct mt7615_phy *phy)
int sifs, offset;
bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ;
+ if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
+ return;
+
if (is_5ghz)
sifs = 16;
else
--
2.16.4