Hi
>While I agree that it looks nicer to indent all these to the same level,
>you also need to think about the fact that the kernel git repo is already
>pretty big as-is, so it's a good idea if a patch adds as much code/semantic
>value [as possible] with as little change [as possible] and with as good of
>readability [as possible].
Understood. But can't someone else submit another patch fixing these
indentation issues? That would be another commit and more stuff to the
repository.
On Thu, Nov 8, 2018 at 11:51 AM Ardelean, Alexandru
<alexandru.Ardelean@xxxxxxxxxx> wrote:
>
> On Thu, 2018-11-08 at 11:03 -0200, Giuliano Belinassi wrote:
> > Previously, all pattern_masks and patterns in the chip_info table were
> > hardcoded. Now they are generated using the PAT macros, as described in
> > the datasheets.
>
> One comment about indentation/whitespace.
>
> Rest looks good.
>
> Alex
>
> >
> > Signed-off-by: Giuliano Belinassi <giuliano.belinassi@xxxxxx>
> > ---
> > Changes in v2:
> > - Added the PATTERN and PATTERN_MASK macros
> > - Update BIT macros alignment to match with PATTERN
> > - Generate pattern mask with PATTERN_MASK macros.
> >
> > drivers/staging/iio/adc/ad7780.c | 40 +++++++++++++++++++-------------
> > 1 file changed, 24 insertions(+), 16 deletions(-)
> >
> > diff --git a/drivers/staging/iio/adc/ad7780.c
> > b/drivers/staging/iio/adc/ad7780.c
> > index 9ec2b002539e..ff8e3b2d0efc 100644
> > --- a/drivers/staging/iio/adc/ad7780.c
> > +++ b/drivers/staging/iio/adc/ad7780.c
> > @@ -22,14 +22,22 @@
> > #include <linux/iio/sysfs.h>
> > #include <linux/iio/adc/ad_sigma_delta.h>
> >
> > -#define AD7780_RDY BIT(7)
> > -#define AD7780_FILTER BIT(6)
> > -#define AD7780_ERR BIT(5)
> > -#define AD7780_ID1 BIT(4)
> > -#define AD7780_ID0 BIT(3)
> > -#define AD7780_GAIN BIT(2)
> > -#define AD7780_PAT1 BIT(1)
> > -#define AD7780_PAT0 BIT(0)
> > +#define AD7780_RDY BIT(7)
> > +#define AD7780_FILTER BIT(6)
> > +#define AD7780_ERR BIT(5)
> > +#define AD7780_ID1 BIT(4)
> > +#define AD7780_ID0 BIT(3)
> > +#define AD7780_GAIN BIT(2)
> > +#define AD7780_PAT1 BIT(1)
> > +#define AD7780_PAT0 BIT(0)
>
> Changing indentation here doesn't add much value; it's mostly
> patch/whitespace noise.
>
> While I agree that it looks nicer to indent all these to the same level,
> you also need to think about the fact that the kernel git repo is already
> pretty big as-is, so it's a good idea if a patch adds as much code/semantic
> value [as possible] with as little change [as possible] and with as good of
> readability [as possible].
> [ Kind of sounds like a balance act between the 3 things ].
>
>
> > +
> > +#define AD7780_PATTERN (AD7780_PAT0)
> > +#define AD7780_PATTERN_MASK (AD7780_PAT0 | AD7780_PAT1)
> > +
> > +#define AD7170_PAT2 BIT(2)
> > +
> > +#define AD7170_PATTERN (AD7780_PAT0 | AD7170_PAT2)
> > +#define AD7170_PATTERN_MASK (AD7780_PAT0 | AD7780_PAT1 | AD7170_PAT2)
> >
> > struct ad7780_chip_info {
> > struct iio_chan_spec channel;
> > @@ -136,26 +144,26 @@ static const struct ad_sigma_delta_info
> > ad7780_sigma_delta_info = {
> > static const struct ad7780_chip_info ad7780_chip_info_tbl[] = {
> > [ID_AD7170] = {
> > .channel = AD7780_CHANNEL(12, 24),
> > - .pattern = 0x5,
> > - .pattern_mask = 0x7,
> > + .pattern = AD7170_PATTERN,
> > + .pattern_mask = AD7170_PATTERN_MASK,
> > .is_ad778x = false,
> > },
> > [ID_AD7171] = {
> > .channel = AD7780_CHANNEL(16, 24),
> > - .pattern = 0x5,
> > - .pattern_mask = 0x7,
> > + .pattern = AD7170_PATTERN,
> > + .pattern_mask = AD7170_PATTERN_MASK,
> > .is_ad778x = false,
> > },
> > [ID_AD7780] = {
> > .channel = AD7780_CHANNEL(24, 32),
> > - .pattern = 0x1,
> > - .pattern_mask = 0x3,
> > + .pattern = AD7780_PATTERN,
> > + .pattern_mask = AD7780_PATTERN_MASK,
> > .is_ad778x = true,
> > },
> > [ID_AD7781] = {
> > .channel = AD7780_CHANNEL(20, 32),
> > - .pattern = 0x1,
> > - .pattern_mask = 0x3,
> > + .pattern = AD7780_PATTERN,
> > + .pattern_mask = AD7780_PATTERN_MASK,
> > .is_ad778x = true,
> > },
> > };
>
> --
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