linux-kernel - Re: [PATCH net-next v7 10/10] wifi: ath11k: allocate dummy net

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Date: Mon, 22 Apr 2024 16:08:44 +0300
From: Kalle Valo <kvalo@...nel.org>
To: Breno Leitao <leitao@...ian.org>
Cc: aleksander.lobakin@...el.com,  kuba@...nel.org,  davem@...emloft.net,
  pabeni@...hat.com,  edumazet@...gle.com,  elder@...nel.org,
  linux-arm-kernel@...ts.infradead.org,
  linux-mediatek@...ts.infradead.org,  nbd@....name,
  sean.wang@...iatek.com,  Mark-MC.Lee@...iatek.com,  lorenzo@...nel.org,
  taras.chornyi@...ision.eu,  ath11k@...ts.infradead.org,
  ath10k@...ts.infradead.org,  linux-wireless@...r.kernel.org,
  geomatsi@...il.com,  Jeff Johnson <jjohnson@...nel.org>,
  quic_jjohnson@...cinc.com,  leon@...nel.org,
  dennis.dalessandro@...nelisnetworks.com,  linux-kernel@...r.kernel.org,
  netdev@...r.kernel.org,  bpf@...r.kernel.org,  idosch@...sch.org,
  angelogioacchino.delregno@...labora.com,  matthias.bgg@...il.com
Subject: Re: [PATCH net-next v7 10/10] wifi: ath11k: allocate dummy
 net_device dynamically

Breno Leitao <leitao@...ian.org> writes:

> 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_device from struct ath11k_ext_irq_grp by converting it
> into a pointer. Then use the leverage alloc_netdev() to allocate the
> net_device object at ath11k_ahb_config_ext_irq() for ahb, and
> ath11k_pcic_ext_irq_config() for pcic.
>
> The free of the device occurs at ath11k_ahb_free_ext_irq() for the ahb
> case, and ath11k_pcic_free_ext_irq() for the pcic case.
>
> [1] https://lore.kernel.org/all/20240229225910.79e224cf@kernel.org/
>
> Signed-off-by: Breno Leitao <leitao@...ian.org>
> Tested-by: Kalle Valo <kvalo@...nel.org>

I assume this goes via net-next:

Acked-by: Kalle Valo <kvalo@...nel.org>

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