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Message-ID: <20250504082811.4893afaa@wsk>
Date: Sun, 4 May 2025 08:28:11 +0200
From: Lukasz Majewski <lukma@...x.de>
To: Jakub Kicinski <kuba@...nel.org>
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 v10 4/7] net: mtip: The L2 switch driver for imx287

Hi Jakub,

> On Fri,  2 May 2025 09:44:44 +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).
> > 
> > Signed-off-by: Lukasz Majewski <lukma@...x.de>
> > Reviewed-by: Stefan Wahren <wahrenst@....net>
> > Reviewed-by: Andrew Lunn <andrew@...n.ch>  
> 
> Now that basic build is green the series has advanced to full testing,
> where coccicheck says:
> 
> drivers/net/ethernet/freescale/mtipsw/mtipl2sw.c:1961:1-6: WARNING:
> invalid free of devm_ allocated data
> drivers/net/ethernet/freescale/mtipsw/mtipl2sw.c:1237:16-19: ERROR:
> bus is NULL but dereferenced.

I'm sorry for not checking the code with coccinelle.

I do have already used sparse and checkpatch.

I will fix those errors.

Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@...x.de

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