From: Kalle Valo <kvalo@kernel.org>
To: Breno Leitao <leitao@debian.org>
Cc: linux-wireless@vger.kernel.org, Felix Fietkau <nbd@nbd.name>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Ryder Lee <ryder.lee@mediatek.com>,
Shayne Chen <shayne.chen@mediatek.com>,
Sean Wang <sean.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
netdev@vger.kernel.org, horms@kernel.org, kees@kernel.org,
kuba@kernel.org, Bo Jiao <Bo.Jiao@mediatek.com>,
Daniel Golle <daniel@makrotopia.org>,
Alexander Couzens <lynxis@fe80.eu>,
Deren Wu <deren.wu@mediatek.com>,
Ming Yen Hsieh <mingyen.hsieh@mediatek.com>,
Leon Yen <leon.yen@mediatek.com>,
Quan Zhou <quan.zhou@mediatek.com>,
Ingo Rohloff <lundril@gmx.de>,
Sujuan Chen <sujuan.chen@mediatek.com>,
StanleyYP Wang <StanleyYP.Wang@mediatek.com>,
Benjamin Lin <benjamin-jw.lin@mediatek.com>,
Peter Chiu <chui-hao.chiu@mediatek.com>,
linux-kernel@vger.kernel.org (open list:ARM/Mediatek SoC support),
linux-arm-kernel@lists.infradead.org (moderated
list:ARM/Mediatek SoC support),
linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek
SoC support)
Subject: Re: [PATCH] wifi: mt76: un-embedd netdev from mt76_dev
Date: Mon, 17 Jun 2024 12:03:49 +0300 [thread overview]
Message-ID: <87cyogkkju.fsf@kernel.org> (raw)
In-Reply-To: <20240614115317.657700-1-leitao@debian.org> (Breno Leitao's message of "Fri, 14 Jun 2024 04:52:42 -0700")
Breno Leitao <leitao@debian.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_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/20240229225910.79e224cf@kernel.org/ [1]
> Signed-off-by: Breno Leitao <leitao@debian.org>
> ---
>
> PS: Due to the lack of hardware, this patch was not tested on a real
> hardware, unfortunately.
>
> PS2: this is the last driver that is still using embedded netdevices.
Is this patch a dependency to other patches? I'm asking because it will
be _slow_ to get this patch to net-next via wireless trees. If there's
urgency then it's much better to take it directly to net-next (of course
with acks from Felix and Lorenzo).
--
https://patchwork.kernel.org/project/linux-wireless/list/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2024-06-17 9:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-14 11:52 [PATCH] wifi: mt76: un-embedd netdev from mt76_dev Breno Leitao
2024-06-16 8:35 ` Simon Horman
2024-06-17 9:03 ` Kalle Valo [this message]
2024-06-17 9:22 ` Breno Leitao
2024-06-17 9:29 ` Kalle Valo
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