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

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Date:   Tue, 29 Jan 2019 11:10:12 +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, LKML <linux-kernel@...r.kernel.org>,
        kernel-usp@...glegroups.com, Rafael Tsuha <rafael.tsuha@....br>,
        alexandru.ardelean@...log.com, stefan.popa@...log.com
Subject: Re: [PATCH] staging:iio:ad7152: Rename misspelled RESEVERD -> RESERVED

On Sat, Jan 26, 2019 at 8:13 PM Jonathan Cameron <jic23@...nel.org> wrote:
>
> On Fri, 25 Jan 2019 22:14:32 -0200
> Rodrigo Ribeiro <rodrigorsdc@...il.com> wrote:
>
> > Em sex, 25 de jan de 2019 às 21:46, Rodrigo Ribeiro
> > <rodrigorsdc@...il.com> escreveu:
> > >
> > > Em sex, 25 de jan de 2019 às 06:20, Alexandru Ardelean
> > > <ardeleanalex@...il.com> escreveu:
> > > >
> > > > 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,
> > >
> > > Hi,
> > >
> > > Thanks for answering.
> > >
> > > > A bit curios about this one.
> > > > Are you using this chip/driver ?
> > >
> > > No, I am just a student at USP (University of São Paulo) starting in Linux
> > > Kernel and a new member of the USP Linux Kernel group that has contributed
> > > for a few months.
> > >
> > > > 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.
> > >
> > > This is my first patch in Linux Kernel, but if the driver will be removed, I
> > > can send a patch for another driver. Is there any driver that I can
> > > fix a style warning?
> >
> > Maybe, one checkstyle patch is enough, right? Which drivers can I truly
> > contribute to?
>
> How about the ad7150?  That one is still listed as production.
> What do you think Alex, you probably have better visibility on the
> status of these parts and their drivers than I do!
>
> (note I haven't even opened that one for a few years so no idea
> what state the driver is in!)
>

ad7150 is a good alternative.
At a first glance over the driver it looks like it could do with some
polish/conversions to newer IIO constructs (like IIO triggers, maybe
some newer event handling mechanisms?).
I'll sync with Stefan [Popa] to see about this stuff at a later point in time.

I'd also add here the adxl345 driver.
This is mostly informational for anyone who'd find this interesting.
There are 2 drivers for this chip, one in IIO
[drivers/iio/accel/adxl345] and another one in
"drivers/misc/adxl34x.c" as part of the input sub-system.
What would be interesting here is to finalize the IIO driver [ I think
some features are lacking behind the input driver], and make the input
driver a consumer of the IIO driver.

>From my side, both these variants are fine to take on.
The ad7150 is a good idea as a starter project, and the adxl one is
more of a long-term medium-level project.

Thanks
Alex

> Jonathan
>
> >
> > > Thanks
> > >
> > >
> > > Em sex, 25 de jan de 2019 às 06:20, Alexandru Ardelean
> > > <ardeleanalex@...il.com> escreveu:
> > > >
> > > > 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.
> > > >
> > > > 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
> > > > >
>