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From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Romain Gantois <romain.gantois@bootlin.com>
Cc: "Liam Girdwood" <lgirdwood@gmail.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Jonathan Cameron" <jic23@kernel.org>,
	"David Lechner" <dlechner@baylibre.com>,
	"Nuno Sá" <nuno.sa@analog.com>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-iio@vger.kernel.org
Subject: Re: [PATCH 4/4] regulator: ltm8054: Support output current limit control
Date: Wed, 17 Sep 2025 10:03:34 +0300	[thread overview]
Message-ID: <aMpdRhAh9g71dt7M@smile.fi.intel.com> (raw)
In-Reply-To: <aMpc64pctVA1bvmr@smile.fi.intel.com>

On Wed, Sep 17, 2025 at 10:02:03AM +0300, Andy Shevchenko wrote:
> 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:

...

> > > /*
> > >  * 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;

I just realised that in previous mails and here I meant _uV postfix for the
predefined voltage thresholds. Sorry for the confusion.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2025-09-17  7:03 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-16 10:24 [PATCH 0/4] Add support for the LTM8054 voltage regulator Romain Gantois
2025-09-16 10:24 ` [PATCH 1/4] regulator: dt-bindings: Add Linear Technology LTM8054 regulator Romain Gantois
2025-09-16 13:25   ` Rob Herring (Arm)
2025-09-16 19:24   ` David Lechner
2025-09-17 15:51     ` Romain Gantois
2025-09-18  7:30       ` Romain Gantois
2025-09-16 10:24 ` [PATCH 2/4] iio: add processed write API Romain Gantois
2025-09-16 11:19   ` Mark Brown
2025-09-16 13:00     ` Romain Gantois
2025-09-16 13:03   ` Andy Shevchenko
2025-09-16 19:23   ` David Lechner
2025-09-17 15:46     ` Romain Gantois
2025-09-20 11:56       ` Jonathan Cameron
2025-09-16 10:24 ` [PATCH 3/4] regulator: Support the LTM8054 voltage regulator Romain Gantois
2025-09-16 13:12   ` Andy Shevchenko
2025-09-16 13:20     ` Andy Shevchenko
2025-09-16 14:17     ` Romain Gantois
2025-09-18  9:31       ` Romain Gantois
2025-09-18 19:17         ` Andy Shevchenko
2025-09-19  8:19           ` Romain Gantois
2025-09-16 10:24 ` [PATCH 4/4] regulator: ltm8054: Support output current limit control Romain Gantois
2025-09-16 13:19   ` Andy Shevchenko
2025-09-16 14:27     ` Romain Gantois
2025-09-17  7:02       ` Andy Shevchenko
2025-09-17  7:03         ` Andy Shevchenko [this message]
2025-09-25  7:54       ` Romain Gantois
  -- strict thread matches above, loose matches on Subject: below --
2025-10-18 19:30 Andy Shevchenko

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