From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Wed, 21 Apr 2021 13:37:21 +0000 (+0200)
Subject: mt76: mt7921: reinit wpdma during drv_own if necessary
X-Git-Tag: xarray-5.18~1995^2~53^2^2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3df932141e4fa3a39f8e0839af9ee7bdedb1da0c;p=users%2Fwilly%2Fxarray.git

mt76: mt7921: reinit wpdma during drv_own if necessary

Check dummy reg to reinitialized WPDMA during driver_own operation

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 78bd965d8009..5f3d56d570a5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -1308,6 +1308,8 @@ int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
 		err = -EIO;
 		goto out;
 	}
+
+	mt7921_wpdma_reinit_cond(dev);
 	clear_bit(MT76_STATE_PM, &mphy->state);
 
 	pm->stats.last_wake_event = jiffies;