On Sat, Feb 11, 2023 at 03:57:51PM +0100, Christophe JAILLET wrote: > Le 11/02/2023 à 08:07, Deepak R Varma a écrit : > > Constant ADF4377_0000_SOFT_RESET_R_MSK is unnecessarily or'ed with > > itself. Remove the redundant constant from the expression. > > Issue identified using doublebitand.cocci Coccinelle semantic patch. > > > > Signed-off-by: Deepak R Varma <drv@xxxxxxxxx> > > --- > > drivers/iio/frequency/adf4377.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/iio/frequency/adf4377.c b/drivers/iio/frequency/adf4377.c > > index 26abecbd51e0..caefd7ea6b14 100644 > > --- a/drivers/iio/frequency/adf4377.c > > +++ b/drivers/iio/frequency/adf4377.c > > @@ -495,8 +495,8 @@ static int adf4377_soft_reset(struct adf4377_state *st) > > return ret; > > return regmap_read_poll_timeout(st->regmap, 0x0, read_val, > > - !(read_val & (ADF4377_0000_SOFT_RESET_R_MSK | > > - ADF4377_0000_SOFT_RESET_R_MSK)), 200, 200 * 100); > > + !(read_val & ADF4377_0000_SOFT_RESET_R_MSK), > > + 200, 200 * 100); > > Based on the code just above, it is likely that one is expected to be > ADF4377_0000_SOFT_RESET_MSK. Hello CJ, I agree, that appears to be a close possibility. I also tried looking to the data sheet, but could not conclude. How can I make sure if the other one should be ADF4377_0000_SOFT_RESET_MSK? Thank you, ./drv > > CJ > > > } > > static int adf4377_get_freq(struct adf4377_state *st, u64 *freq) >