Re: [PATCH v2] staging: iio: accel: adis16240: Improve readability on write_raw function
From: Jonathan Cameron
Date: Sun Aug 18 2019 - 15:14:01 EST
On Wed, 14 Aug 2019 06:56:18 +0000
"Ardelean, Alexandru" <alexandru.Ardelean@xxxxxxxxxx> wrote:
> On Tue, 2019-08-13 at 16:31 -0300, Rodrigo Ribeiro wrote:
> > [External]
> >
> > Replace shift and minus operation by GENMASK macro and remove the local
> > variables used to store intermediate data.
> >
>
> Reviewed-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.
Thanks,
Jonathan
>
> > Signed-off-by: Rodrigo Ribeiro Carvalho <rodrigorsdc@xxxxxxxxx>
> > ---
> > v2:
> > - Leave switch statement instead of replace by if statement
> > drivers/staging/iio/accel/adis16240.c | 5 +----
> > 1 file changed, 1 insertion(+), 4 deletions(-)
> >
> > diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c
> > index 62f4b3b1b457..82099db4bf0c 100644
> > --- a/drivers/staging/iio/accel/adis16240.c
> > +++ b/drivers/staging/iio/accel/adis16240.c
> > @@ -309,15 +309,12 @@ static int adis16240_write_raw(struct iio_dev *indio_dev,
> > long mask)
> > {
> > struct adis *st = iio_priv(indio_dev);
> > - int bits = 10;
> > - s16 val16;
> > u8 addr;
> >
> > switch (mask) {
> > case IIO_CHAN_INFO_CALIBBIAS:
> > - val16 = val & ((1 << bits) - 1);
> > addr = adis16240_addresses[chan->scan_index][0];
> > - return adis_write_reg_16(st, addr, val16);
> > + return adis_write_reg_16(st, addr, val & GENMASK(9, 0));
> > }
> > return -EINVAL;
> > }