On Wed, 18 Aug 2021 13:11:27 +0200 Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote: > When only a few channels are requested, the core will request all of > them as long as ->available_scan_masks is present, thus reducing the > impact of any driver side optimization to avoid converting the unneeded > channels. > > Do not share this bitmap with the core, which is optional anyway. As mentioned in previous patch - do share it with the core, but update it to include the masks you now support. As a side note, you should have done this in previous patch anyway given that patch is effectively a noop with out it. (assuming it was a good thing to do at all which I'm not sure it is!) Jonathan > > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> > --- > drivers/iio/adc/max1027.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c > index 8ab660f596b5..d79dabf20567 100644 > --- a/drivers/iio/adc/max1027.c > +++ b/drivers/iio/adc/max1027.c > @@ -457,7 +457,6 @@ static int max1027_probe(struct spi_device *spi) > indio_dev->modes = INDIO_DIRECT_MODE; > indio_dev->channels = st->info->channels; > indio_dev->num_channels = st->info->num_channels; > - indio_dev->available_scan_masks = st->info->available_scan_masks; > > st->buffer = devm_kmalloc_array(&indio_dev->dev, > indio_dev->num_channels, 2,
