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wifi: mt76: mt7996: fix SER reset trigger on WED reset

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[ Upstream commit 8d38abdf6c182225c5c0a81451fa51b7b36a635d ]

The firmware needs a specific trigger when WED is being reset due to an
ethernet reset condition. This helps prevent further L1 SER failure.

Signed-off-by: Rex Lu <rex.lu@mediatek.com>
Link: https://patch.msgid.link/20250311103646.43346-2-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Rex Lu
2025-03-11 11:36:39 +01:00
committed by Greg Kroah-Hartman
parent fa6c05122f
commit 1d58321192
2 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/mediatek/mt76/mt7996/mcu.h
View File

@@ -908,7 +908,8 @@ enum {
UNI_CMD_SER_SET_RECOVER_L3_TX_DISABLE,
UNI_CMD_SER_SET_RECOVER_L3_BF,
UNI_CMD_SER_SET_RECOVER_L4_MDP,
UNI_CMD_SER_SET_RECOVER_FULL,
UNI_CMD_SER_SET_RECOVER_FROM_ETH,
UNI_CMD_SER_SET_RECOVER_FULL = 8,
UNI_CMD_SER_SET_SYSTEM_ASSERT,
/* action */
UNI_CMD_SER_ENABLE = 1,

2
drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
View File

@@ -281,7 +281,7 @@ static int mt7996_mmio_wed_reset(struct mtk_wed_device *wed)
if (test_and_set_bit(MT76_STATE_WED_RESET, &mphy->state))
return -EBUSY;
ret = mt7996_mcu_set_ser(dev, UNI_CMD_SER_TRIGGER, UNI_CMD_SER_SET_RECOVER_L1,
ret = mt7996_mcu_set_ser(dev, UNI_CMD_SER_TRIGGER, UNI_CMD_SER_SET_RECOVER_FROM_ETH,
mphy->band_idx);
if (ret)
goto out;