linux-kernel - Re: [PATCH v4 2/2] iio: temperature: add driver support for ti tmp117

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Date:   Sun, 18 Apr 2021 10:48:35 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Puranjay Mohan <puranjay12@...il.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        devicetree <devicetree@...r.kernel.org>,
        Hartmut Knaack <knaack.h@....de>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH v4 2/2] iio: temperature: add driver support for ti
 tmp117

On Sun, 11 Apr 2021 21:08:29 +0300
Andy Shevchenko <andy.shevchenko@...il.com> wrote:

> On Sun, Apr 11, 2021 at 9:07 PM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
> > On Sun, Apr 11, 2021 at 5:53 PM Jonathan Cameron <jic23@...nel.org> wrote:  
> > > On Wed,  7 Apr 2021 23:51:47 +0530
> > > Puranjay Mohan <puranjay12@...il.com> wrote:  
> 
> > Good point, but better is to use clamp_t(s16, ...) rather than explicit casting.  
> 
> Sorry, I meant clamp_t(int, ...) of course, otherwise it will give wrong values.
I've switched it over to this which is indeed nicer.

Jonathan

> 
> > I always consider explicit casting in C (and esp. in Linux kernel) is
> > a red flag. Should be really rarely needed.  
> 
> 
>