linux-kernel - Re: [PATCH] iio: frequency: admv1013: remove the always true condition

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Message-ID: <b5b69eac10039de1b287df90279f464bd70e1de0.camel@collabora.com>
Date:   Mon, 17 Jan 2022 13:34:28 +0500
From:   Muhammad Usama Anjum <usama.anjum@...labora.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Antoniu Miclaus <antoniu.miclaus@...log.com>,
        Muhammad Usama Anjum <usama.anjum@...labora.com>
Subject: Re: [PATCH] iio: frequency: admv1013: remove the always true
 condition

On Sat, 2022-01-15 at 18:09 +0000, Jonathan Cameron wrote:
> On Wed, 5 Jan 2022 02:09:20 +0500
> Muhammad Usama Anjum <usama.anjum@...labora.com> wrote:
> 
> > unsigned int variable is always greater than or equal to zero. Make the
> > if condition simple.
> > 
> > Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> Hi,
> 
> + CC Antoniu and this should have a Fixes tag.
> 
> Thanks,
> 
> Jonathan
> 
Fixes: da35a7b526d9 ("iio: frequency: admv1013: add support for ADMV1013")

Please let me know if I should send a V2 with this tag included.

Thanks,
Usama
> > ---
> >  drivers/iio/frequency/admv1013.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c
> > index 6cdeb50143af..3f3c478e9baa 100644
> > --- a/drivers/iio/frequency/admv1013.c
> > +++ b/drivers/iio/frequency/admv1013.c
> > @@ -348,7 +348,7 @@ static int admv1013_update_mixer_vgate(struct admv1013_state *st)
> >  
> > 
> > 
> > 
> >  	vcm = regulator_get_voltage(st->reg);
> >  
> > 
> > 
> > 
> > -	if (vcm >= 0 && vcm < 1800000)
> > +	if (vcm < 1800000)
> >  		mixer_vgate = (2389 * vcm / 1000000 + 8100) / 100;
> >  	else if (vcm > 1800000 && vcm < 2600000)
> >  		mixer_vgate = (2375 * vcm / 1000000 + 125) / 100;
>