linux-kernel - Re: [net-next v7 4/7] net: mtip: The L2 switch driver for imx287

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Message-ID: <20250424181110.2734cd0b@kernel.org>
Date: Thu, 24 Apr 2025 18:11:10 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Lukasz Majewski <lukma@...x.de>
Cc: Andrew Lunn <andrew+netdev@...n.ch>, davem@...emloft.net, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Rob Herring
 <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer
 <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Richard Cochran
 <richardcochran@...il.com>, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, Stefan Wahren
 <wahrenst@....net>, Simon Horman <horms@...nel.org>, Andrew Lunn
 <andrew@...n.ch>
Subject: Re: [net-next v7 4/7] net: mtip: The L2 switch driver for imx287

On Wed, 23 Apr 2025 09:29:08 +0200 Lukasz Majewski wrote:
> This patch series provides support for More Than IP L2 switch embedded
> in the imx287 SoC.
> 
> This is a two port switch (placed between uDMA[01] and MAC-NET[01]),
> which can be used for offloading the network traffic.
> 
> It can be used interchangeably with current FEC driver - to be more
> specific: one can use either of it, depending on the requirements.
> 
> The biggest difference is the usage of DMA - when FEC is used, separate
> DMAs are available for each ENET-MAC block.
> However, with switch enabled - only the DMA0 is used to send/receive data
> to/form switch (and then switch sends them to respecitive ports).

Lots of sparse warnings and build issues here, at least on x86.

Could you make sure it's clean with an allmodconfig config, 
something like:

make C=1 W=1 drivers/net/ethernet/freescale/mtipsw/ 
-- 
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