On 07/06/2024 12:04, Nuno Sá wrote: > On Thu, 2024-06-06 at 19:07 +0300, Dumitru Ceclan via B4 Relay wrote: >> From: Dumitru Ceclan <dumitru.ceclan@xxxxxxxxxx> >> >> Move validation of analog inputs and reference voltage selection to >> separate functions to reduce the size of the channel config parsing >> function and improve readability. >> Add defines for the number of analog inputs in a channel. >> >> Signed-off-by: Dumitru Ceclan <dumitru.ceclan@xxxxxxxxxx> >> --- >> drivers/iio/adc/ad7173.c | 68 +++++++++++++++++++++++++++++++++-------------- >> - >> 1 file changed, 47 insertions(+), 21 deletions(-) >> >> diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c >> index 8631f218b69e..4040edbd1c32 100644 >> --- a/drivers/iio/adc/ad7173.c >> +++ b/drivers/iio/adc/ad7173.c >> @@ -60,6 +60,7 @@ >> #define AD7173_CH_SETUP_AINPOS_MASK GENMASK(9, 5) >> #define AD7173_CH_SETUP_AINNEG_MASK GENMASK(4, 0) >> >> +#define AD7173_NO_AINS_PER_CHANNEL 2 >> #define AD7173_CH_ADDRESS(pos, neg) \ >> (FIELD_PREP(AD7173_CH_SETUP_AINPOS_MASK, pos) | \ >> FIELD_PREP(AD7173_CH_SETUP_AINNEG_MASK, neg)) >> @@ -629,6 +630,7 @@ static int ad7173_setup(struct iio_dev *indio_dev) >> static unsigned int ad7173_get_ref_voltage_milli(struct ad7173_state *st, >> u8 reference_select) >> { >> + struct device *dev = &st->sd.spi->dev; >> int vref; >> >> switch (reference_select) { >> @@ -652,9 +654,11 @@ static unsigned int ad7173_get_ref_voltage_milli(struct >> ad7173_state *st, >> return -EINVAL; >> } >> >> - if (vref < 0) >> + if (vref < 0) { >> + dev_err(dev, "Cannot use reference %u. Error:%d\n", >> + reference_select, vref); >> return vref; >> - >> + } >> return vref / (MICRO / MILLI); >> } > > unrelated? > > - Nuno Sá > Hmm, maybe I misunderstood "Any error log needed should be done inside ad7173_get_ref_voltage_milli()" https://lore.kernel.org/all/71452f6882efe6a181d477914488617d28a38e2f.camel@xxxxxxxxx/ This change should be in a different patch or should it not've been done this way?