mt76: mt7921: reset wfsys during hw probe

This patch fixes a mcu hang during device probe on
Marvell ESPRESSObin after a hot reboot.

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/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
index bd9143d..7fca7dc 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
@@ -402,6 +402,10 @@ int mt7921_dma_init(struct mt7921_dev *dev)
        if (ret)
                return ret;
 
+       ret = mt7921_wfsys_reset(dev);
+       if (ret)
+               return ret;
+
        /* init tx queue */
        ret = mt7921_init_tx_queues(&dev->phy, MT7921_TXQ_BAND0,
                                    MT7921_TX_RING_SIZE);