linux-kernel - Re: [PATCH v1 2/2] iio: adc: adding support for pac193x

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Message-ID: <149491f6acdfeb4f1a6da7798e27ca984aace19b.camel@microchip.com>
Date:   Mon, 6 Mar 2023 13:56:06 +0000
From:   <Marius.Cristea@...rochip.com>
To:     <jic23@...nel.org>, <krzk@...nel.org>
CC:     <devicetree@...r.kernel.org>, <lars@...afoo.de>,
        <linux-iio@...r.kernel.org>, <robh+dt@...nel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 2/2] iio: adc: adding support for pac193x


Hi Krzysztof,


   Thank you for your review comments. I will handle all of them.

Thanks,
Marius

On Sat, 2023-02-25 at 17:22 +0000, Jonathan Cameron wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you
> know the content is safe
> 
> On Sat, 25 Feb 2023 17:19:54 +0000
> Jonathan Cameron <jic23@...nel.org> wrote:
> 
> > On Tue, 21 Feb 2023 14:46:08 +0100
> > Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > 
> > > On 20/02/2023 13:32, marius.cristea@...rochip.com wrote:
> > > > From: Marius Cristea <marius.cristea@...rochip.com>
> > > > 
> > > > This is the iio driver for Microchip
> > > > PAC193X series of Power Monitor with Accumulator chip family.
> > > > 
> > > > Signed-off-by: Marius Cristea <marius.cristea@...rochip.com>
> > > > ---
> > > >  MAINTAINERS               |    7 +
> > > >  drivers/iio/adc/Kconfig   |   12 +
> > > >  drivers/iio/adc/Makefile  |    1 +
> > > >  drivers/iio/adc/pac193x.c | 2072
> > > > +++++++++++++++++++++++++++++++++++++
> > > >  4 files changed, 2092 insertions(+)
> > > >  create mode 100644 drivers/iio/adc/pac193x.c
> > > > 
> > > 
> > > 
> > > Thank you for your patch. There is something to discuss/improve.
> > > 
> > > > +
> > > > +#define PAC193X_NEG_PWR_CH1_BIDI(x)      ((x) ? BIT(7) : 0)
> > > > +#define PAC193X_NEG_PWR_CH2_BIDI(x)      ((x) ? BIT(6) : 0)
> > > > +#define PAC193X_NEG_PWR_CH3_BIDI(x)      ((x) ? BIT(5) : 0)
> > > > +#define PAC193X_NEG_PWR_CH4_BIDI(x)      ((x) ? BIT(4) : 0)
> > > > +#define PAC193X_NEG_PWR_CH1_BIDV(x)      ((x) ? BIT(3) : 0)
> > > > +#define PAC193X_NEG_PWR_CH2_BIDV(x)      ((x) ? BIT(2) : 0)
> > > > +#define PAC193X_NEG_PWR_CH3_BIDV(x)      ((x) ? BIT(1) : 0)
> > > > +#define PAC193X_NEG_PWR_CH4_BIDV(x)      ((x) ? BIT(0) : 0)
> > > > +
> > > > +/*
> > > > + * Universal Unique Identifier (UUID),
> > > > + * 033771E0-1705-47B4-9535-D1BBE14D9A09, is
> > > > + * reserved to Microchip for the PAC193X and must not be
> > > > changed
> > > > + */
> > > > +#define PAC193X_DSM_UUID         "033771E0-1705-47B4-9535-
> > > > D1BBE14D9A09"
> > > > +
> > > > +enum pac193x_ids {
> > > > + pac1934,
> > > > + pac1933,
> > > > + pac1932,
> > > > + pac1931
> > > 
> > > Enums are usually uppercase.
> > 
> > I'm not sure there is anything in coding standard around that and a
> > grep finds
> > a mixture of the two when it comes to ones used for IDs.  Mind you
> > uppercase
> > is fine :)
> I take it back. Is indeed in coding style doc.  Glad checkpatch
> doesn't check for
> this though as we'd get 1000s of 'fixes' if it did and in most cases
> it doesn't
> hurt readability.  I'll try and be more consistent on this in review
> going forwards!
> 
> Thanks!
> 
> Jonathan
> 
> > 
> > 
> > > 
> > > 
> > > 
> > > Best regards,
> > > Krzysztof
> > > 
> > 
>