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wifi: mt76: mt7996: do not attach hif2 WED when the main WED attach failed

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If the WED attach for the primary PCIe function fails, the probe path
still attached wed_hif2 for the secondary function, leaving the device
in an inconsistent half-WED configuration that crashes later. The hif2
call also re-enabled hwrro_mode, which the failed primary attach had
just turned off.

Skip the hif2 WED setup when the primary WED device is not active.

Fixes: 83eafc9251d6 ("wifi: mt76: mt7996: add wed tx support")
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2026-08-01 17:46:21 +02:00
parent be7e2fa433
commit fa98398ec4
1 changed files with 3 additions and 0 deletions
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mt7996/mmio.c
+3
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@@ -490,6 +490,9 @@ int mt7996_mmio_wed_init(struct mt7996_dev *dev, void *pdev_ptr,
if (!wed_enable)
return 0;
if (hif2 && !mtk_wed_device_active(&dev->mt76.mmio.wed))
return 0;
dev->mt76.hwrro_mode = is_mt7996(&dev->mt76) ? MT76_HWRRO_V3
: MT76_HWRRO_V3_1;