linux-kernel - Re: [PATCH] staging:iio:ad7152: Rename misspelled RESEVERD -> RESERVED

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Date:   Mon, 28 Jan 2019 09:23:41 +0200
From:   Alexandru Ardelean <ardeleanalex@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Rodrigo Ribeiro <rodrigorsdc@...il.com>, lars@...afoo.de,
        Michael.Hennerich@...log.com, knaack.h@....de,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        gregkh@...uxfoundation.org, linux-iio@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        kernel-usp@...glegroups.com, Rafael Tsuha <rafael.tsuha@....br>,
        alexandru.ardelean@...log.com
Subject: Re: [PATCH] staging:iio:ad7152: Rename misspelled RESEVERD -> RESERVED

On Sat, Jan 26, 2019 at 8:09 PM Jonathan Cameron <jic23@...nel.org> wrote:
>
> On Fri, 25 Jan 2019 10:19:54 +0200
> Alexandru Ardelean <ardeleanalex@...il.com> wrote:
>
> > On Thu, Jan 24, 2019 at 9:35 PM Rodrigo Ribeiro <rodrigorsdc@...il.com> wrote:
> > >
> > > Remove the checkpatch.pl check:
> > >
> > > CHECK: 'RESEVERD' may be misspelled - perhaps 'RESERVED'?
> >
> > Hey,
> >
> > A bit curios about this one.
> > Are you using this chip/driver ?
> >
> > Thing is: the part is nearing EOL, and it could be an idea to be
> > marked for removal (since it's still in staging).
> > But if there are users for this driver, it could be left around for a while.
>
> While it might be going away soon, I'm also not that bothered about
> the small amount of churn that a tidy up patch like this causes,
> and it might not go away ;)
>
> However it is rather odd to have a 'reserved' entry for a register.
> can't see that providing any useful information.  Normally I'm
> happy to have complete register sets as a form of documentation
> if the author wants to do it that way.  This however seems silly.
>
> Alex, we haven't really gone with marking things as 'going away'
> before.  I'd suggest we take a guess and remove it if you and the
> team an analog don't think it's in use.  Happy to get a patch for
> that if you want to send one.  Of course, Rodrigo could do that
> patch to get started if that works for everyone? :)
>

We'll also start a discussion about this particular driver internally.
And maybe a procedure for removing drivers that become obsolete [or
come close to it].
We also don't/didn't have one for removing "going away" drivers; I
just remembered that we took a look over this one and decided not to
invest time into it as it's close to being obsolete.

Thanks
Alex

> Jonathan
> >
> > Thanks
> > Alex
> >
> > >
> > > Signed-off-by: Rodrigo Ribeiro <rodrigorsdc@...il.com>
> > > Signed-off-by: Rafael Tsuha <rafael.tsuha@....br>
> > > ---
> > > This macro is not used anywhere. Should we just correct the
> > > spelling or remove the macro?
> > >
> > >  drivers/staging/iio/cdc/ad7152.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/staging/iio/cdc/ad7152.c b/drivers/staging/iio/cdc/ad7152.c
> > > index 25f51db..c9da6d4 100644
> > > --- a/drivers/staging/iio/cdc/ad7152.c
> > > +++ b/drivers/staging/iio/cdc/ad7152.c
> > > @@ -35,7 +35,7 @@
> > >  #define AD7152_REG_CH2_GAIN_HIGH       12
> > >  #define AD7152_REG_CH2_SETUP           14
> > >  #define AD7152_REG_CFG                 15
> > > -#define AD7152_REG_RESEVERD            16
> > > +#define AD7152_REG_RESERVED            16
> > >  #define AD7152_REG_CAPDAC_POS          17
> > >  #define AD7152_REG_CAPDAC_NEG          18
> > >  #define AD7152_REG_CFG2                        26
> > > --
> > > 2.7.4
> > >
>