[PATCH] mt76: mt7921: fix MT7921E reset failure
From: <sean.wang@mediatek.com>
Date: 2021-11-03 00:08:43
Also in:
linux-mediatek
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
From: Sean Wang <sean.wang@mediatek.com>
There is a missing mt7921e_driver_own in the MT7921E reset procedure
since the mt7921 mcu.c has been refactored for MT7921S, that will
result in MT7921E reset failure, so add it back now.
Fixes: dfc7743de1eb ("mt76: mt7921: refactor mcu.c to be bus independent")
Reported-by: YN Chen <redacted>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 1 +
drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c | 4 ++++
drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c | 2 +-
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index e9c7c3a19507..d6b823713ba3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h@@ -446,6 +446,7 @@ int mt7921_mcu_restart(struct mt76_dev *dev); void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, struct sk_buff *skb); +int mt7921e_driver_own(struct mt7921_dev *dev); int mt7921e_mac_reset(struct mt7921_dev *dev); int mt7921e_mcu_init(struct mt7921_dev *dev); int mt7921s_wfsys_reset(struct mt7921_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
index f9547d27356e..85286cc9add1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c@@ -321,6 +321,10 @@ int mt7921e_mac_reset(struct mt7921_dev *dev) MT_INT_MCU_CMD); mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); + err = mt7921e_driver_own(dev); + if (err) + return err; + err = mt7921_run_firmware(dev); if (err) goto out;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
index 583a89a34734..7b34c7f2ab3a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c@@ -4,7 +4,7 @@ #include "mt7921.h" #include "mcu.h" -static int mt7921e_driver_own(struct mt7921_dev *dev) +int mt7921e_driver_own(struct mt7921_dev *dev) { u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
--
2.25.1