netdev - Re: [PATCH v1] treewide, serdev: change receive_buf() return type to size

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Message-ID: <ZXyH1Zv3Pxd6S3ag@francesco-nb.int.toradex.com>
Date: Fri, 15 Dec 2023 18:07:33 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Johan Hovold <johan@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Francesco Dolcini <francesco@...cini.it>,
	Jiri Slaby <jirislaby@...nel.org>, linux-bluetooth@...r.kernel.org,
	linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, greybus-dev@...ts.linaro.org,
	linux-iio@...r.kernel.org, netdev@...r.kernel.org,
	chrome-platform@...ts.linux.dev,
	platform-driver-x86@...r.kernel.org, linux-serial@...r.kernel.org,
	linux-sound@...r.kernel.org,
	Francesco Dolcini <francesco.dolcini@...adex.com>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>,
	Alex Elder <elder@...nel.org>, Jonathan Cameron <jic23@...nel.org>,
	Lee Jones <lee@...nel.org>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
	"David S. Miller" <davem@...emloft.net>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Benson Leung <bleung@...omium.org>,
	Tzung-Bi Shih <tzungbi@...nel.org>, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v1] treewide, serdev: change receive_buf() return type to
 size_t

Hello Johan, Greg

On Fri, Dec 15, 2023 at 05:18:52PM +0100, Johan Hovold wrote:
> On Fri, Dec 15, 2023 at 02:55:59PM +0100, Francesco Dolcini wrote:
> > To me the change is correct, with that said probably this should have
> > been explicitly mentioned in the commit message or a separate
> > preparation patch.
> 
> It's a separate change and should not be hidden away in a tree-wide
> change that goes through a different maintainer.
> 
> Please drop this change from this patch and resubmit it separately to me
> if you want and I'll review when I have the time.

Fine, I agree.

I see those options (let me know if you see other options I have not
mentioned):

1. I add this change (taking into account also intel ice) as a separate
   patch in this series and you may just ack it and Greg could merge
   together with the serdev one.
2. I prepare an independent patch for the GNSS change and only once this
   is merged I'll send a rebased v2 of this one.
3. I update this patch without this GNSS API change, that mean I will
   have to cast away the signed type from a few GNSS drivers.

1 is my preferred option, 2 is fine, but it seems a little bit of overdoing,
3 I would avoid, we are doing this cleanup to be a little bit more
strongly typed and to prevent the kind of bugs that is the original trigger
for this patch.

What would you Greg and Johan prefer?


> And when doing tree-wide changes, please try to follow the style of the
> driver you are changing (e.g. do not introduce inconsistencies by
> changing to open parenthesis alignment of continuation lines in code
> that do not use it).

ack, sorry about that, looking back at the archive is seems a recent
pain point, also Jiri fell in this trap.

Francesco