linux-kernel - Re: [PATCH 4/4] regulator: ltm8054: Support output current limit control

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aMpc64pctVA1bvmr@smile.fi.intel.com>
Date: Wed, 17 Sep 2025 10:02:03 +0300
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Romain Gantois <romain.gantois@...tlin.com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org
Subject: Re: [PATCH 4/4] regulator: ltm8054: Support output current limit
 control

On Tue, Sep 16, 2025 at 04:27:25PM +0200, Romain Gantois wrote:
> On Tuesday, 16 September 2025 15:19:16 CEST Andy Shevchenko wrote:
> > On Tue, Sep 16, 2025 at 12:24:09PM +0200, Romain Gantois wrote:

First of all, please remove unneeded context (which is assumed you agree with)
in the replies. It makes reviewers' life much easier.

...

> > /*
> >  * Besides missing period at the end this is not correct multi-line style of
> > * the comments. Use this example.
> >  */
> > 
> > > +	tmp = LTM8054_MIN_CTL_V * (u64)priv->max_uA;
> 
> This cast avoids an overflow of the multiplication, since the result may
> easily exceed 32 bytes in size.

It's better to read in a way of

	tmp = (u64)priv->max_uA * LTM8054_MIN_CTL_mV;

-- 
With Best Regards,
Andy Shevchenko