From: Lorenzo Bianconi lorenzo@kernel.org
[ Upstream commit 01f7da40917923bf9d8fd8d5c9a6ed646004e47c ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7921/dma.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index 71e664ee7652..a70f0bd875f8 100644 --- 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);