lkml.org 
[lkml]   [2019]   [Mar]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH v2 2/5] staging: iio: adc: Converted bool to bitfield format
On Sun, Mar 24, 2019 at 12:34:52PM +0000, Jonathan Cameron wrote:
> On Sat, 23 Mar 2019 20:21:39 +0100
> Cristian Sicilia <sicilia.cristian@gmail.com> wrote:
>
> > Changed bool format to bitfield format to save space.
> >
> > Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
> >
> > ---
> > The strange thing is that this struct seems not populated
> > using a DTS binding function.
> Indeed and that should have definitely been a warning sign ;)
> We are looking at traditional platform data here (pre device
> tree) and generally we will want to drop it entirely for old
> drivers that we are looking to move out of staging.
>
> I don't mind improving it prior to dropping (as it avoids
> setting bad precedence in the code base in the meantime) but
> one comment inline...
>

Thanks for comment

> > ---
> > drivers/staging/iio/adc/ad7192.h | 16 ++++++++--------
> > 1 file changed, 8 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/staging/iio/adc/ad7192.h b/drivers/staging/iio/adc/ad7192.h
> > index 7433a43..87891ba 100644
> > --- a/drivers/staging/iio/adc/ad7192.h
> > +++ b/drivers/staging/iio/adc/ad7192.h
> > @@ -35,13 +35,13 @@ struct ad7192_platform_data {
> > u16 vref_mv;
> > u8 clock_source_sel;
> > u32 ext_clk_hz;
> > - bool refin2_en;
> > - bool rej60_en;
> > - bool sinc3_en;
> > - bool chop_en;
> > - bool buf_en;
> > - bool unipolar_en;
> > - bool burnout_curr_en;
> > -};
> > + u8 refin2_en:1;
> > + u8 rej60_en:1;
> > + u8 sinc3_en:1;
> > + u8 chop_en:1;
> > + u8 buf_en:1;
> > + u8 unipolar_en:1;
> > + u8 burnout_curr_en:1;
> > +} __attribute__((__packed__));
> Please don't use packed for anything without a very very good reason.
> it may result in data layouts that are much harder to read from.
> That obviously doesn't matter here as I doubt it's read in a fast path.

Ok, I remove it, thanks

>
> >
> > #endif /* IIO_ADC_AD7192_H_ */
>

\
 
 \ /
  Last update: 2019-03-24 17:34    [W:0.050 / U:28.920 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site