netdev - Re: [net-next v4 5/5] ARM: mxs_defconfig: Enable CONFIG_FEC_MTIP

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Message-ID: <20250410112350.7dbb299c@wsk>
Date: Thu, 10 Apr 2025 11:23:50 +0200
From: Lukasz Majewski <lukma@...x.de>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Stefan Wahren <wahrenst@....net>, Andrew Lunn <andrew+netdev@...n.ch>,
 davem@...emloft.net, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
 <kuba@...nel.org>, 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
Subject: Re: [net-next v4 5/5] ARM: mxs_defconfig: Enable
 CONFIG_FEC_MTIP_L2SW to support MTIP L2 switch

Hi Krzysztof,

> On 10/04/2025 09:01, Lukasz Majewski wrote:
> > Hi Stefan,
> >   
> >> Hi Lukasz,
> >>
> >> Am 07.04.25 um 16:51 schrieb Lukasz Majewski:  
> >>> This patch enables support for More Than IP switch available on
> >>> some imx28[7] devices.
> >>>
> >>> Signed-off-by: Lukasz Majewski <lukma@...x.de>    
> >> thanks adding the driver to mxs_defconfig. Unfortunately it's not
> >> possible for reviewers to identify the relevant changes,  
> > 
> > Could you be more specific here?
> > As fair as I see - there is only 14 LOCs changed for review.  
> 
> Really, the comment was very specific. You make multiple independent,
> looking irrelevant changes to the file.
> 
> > 
> > Please also be aware that MTIP L2 switch driver has some
> > dependencies - on e.g. SWITCHDEV and BRIDGE, which had to be
> > enabled to allow the former one to be active.
> >   
> >> also the
> >> commit messages doesn't provide further information.
> >>  
> > 
> > What kind of extra information shall I provide? IMHO the patch is
> > self-explaining.  
> 
> For example explain why do you think GPIO_SYSFS should be dropped.
> 
> >   
> >> In general there are two approaches to solves this:
> >> 1) prepend an additional patch which synchronizes mxs_defconfig
> >> with current mainline
> >> 2) manually create the relevant changes against mxs_defconfig
> >>
> >> The decision about the approaches is up to the maintainer.  
> > 
> > I took the linux-next's (or net-next) mxs defconfig (cp it to be
> > .config)
> > 
> > Then run CROSS_COMPILE= ... make ARCH=arm menuconfig
> > Enabled all the relevant Kconfig options and run
> > 
> > CROSS_COMPILE= ... make ARCH=arm savedefconfig
> > and copy defconfig to mxs_defconfig.
> > Then I used git to prepare the patch.
> > 
> > Isn't the above procedure correct?  
> 
> No, it is not correct. Do not make any changes in the "Enabled all the
> relevant Kconfig options and run" step and check the result. Do you
> see difference in result file? If yes, then why such difference
> should be part of this commit?

Ok, I get your point. Then I shall prepare a separate, pre-patch.
Thanks for info.

> 
> Best regards,
> Krzysztof


Best regards,

Lukasz Majewski

--

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