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wifi: mt76: un-embedd netdev from mt76_dev

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Embedding net_device into structures prohibits the usage of flexible
arrays in the net_device structure. For more details, see the discussion
at [1].

Un-embed the net_devices from struct mt76_dev by converting them
into pointers, and allocating them dynamically. Use the leverage
alloc_netdev_dummy() to allocate the net_device object at
mt76_dma_init().

The free of the device occurs at mt76_dma_cleanup().

Link: https://lore.kernel.org/all/[email protected]/ [1]
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: Breno Leitao <[email protected]>
Acked-by: Kalle Valo <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
This commit is contained in:
Breno Leitao
2025-09-04 19:05:35 +02:00
committed by Felix Fietkau
parent 5f3ea4562f
commit ef2468830f
12 changed files with 49 additions and 21 deletions
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dma.h
+9
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@@ -116,4 +116,13 @@ mt76_dma_should_drop_buf(bool *drop, u32 ctrl, u32 buf1, u32 info)
}
}
static inline void *mt76_priv(struct net_device *dev)
{
struct mt76_dev **priv;
priv = netdev_priv(dev);
return *priv;
}
#endif