Re: [PATCH v2 10/16] iio: adc: ad7768-1: Move buffer allocation to a separate function
From: Jonathan Santos
Date: Mon Feb 03 2025 - 07:03:37 EST
On 02/01, Jonathan Cameron wrote:
> On Mon, 27 Jan 2025 12:13:19 -0300
> Jonathan Santos <Jonathan.Santos@xxxxxxxxxx> wrote:
>
> > From: Sergiu Cuciurean <sergiu.cuciurean@xxxxxxxxxx>
> >
> > This change moves the buffer allocation in a separate function, making
> > space for adding another type of iio buffer if needed.
> >
> > Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@xxxxxxxxxx>
> Jonathan, this one needs your sign off to reflect that you handled
> the patch as part of it's path to upstream. I can't apply
> anything that is missing such SoB.
>
Sorry about that, I am fixing the SoBs for v3.
>
> > ---
> > v2 Changes:
> > * Interrupt and completion moved out from ad7768_triggered_buffer_alloc().
> > ---
> > drivers/iio/adc/ad7768-1.c | 44 ++++++++++++++++++++++----------------
> > 1 file changed, 26 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
> > index 5e2093be9b92..8487b9a06609 100644
> > --- a/drivers/iio/adc/ad7768-1.c
> > +++ b/drivers/iio/adc/ad7768-1.c
> > @@ -599,6 +599,31 @@ static const struct regmap_config ad7768_regmap_config = {
> > .max_register = AD7768_REG_MCLK_COUNTER,
> > };
> >
> > +static int ad7768_triggered_buffer_alloc(struct iio_dev *indio_dev)
> > +{
> > + struct ad7768_state *st = iio_priv(indio_dev);
> > + int ret;
> > +
> > + st->trig = devm_iio_trigger_alloc(indio_dev->dev.parent, "%s-dev%d",
> > + indio_dev->name,
> > + iio_device_id(indio_dev));
> > + if (!st->trig)
> > + return -ENOMEM;
> > +
> > + st->trig->ops = &ad7768_trigger_ops;
> > + iio_trigger_set_drvdata(st->trig, indio_dev);
> > + ret = devm_iio_trigger_register(indio_dev->dev.parent, st->trig);
> > + if (ret)
> > + return ret;
> > +
> > + indio_dev->trig = iio_trigger_get(st->trig);
> > +
> > + return devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev,
> > + &iio_pollfunc_store_time,
> > + &ad7768_trigger_handler,
> > + &ad7768_buffer_ops);
> > +}
> > +
> > static int ad7768_probe(struct spi_device *spi)
> > {
> > struct ad7768_state *st;
> > @@ -669,20 +694,6 @@ static int ad7768_probe(struct spi_device *spi)
> > return ret;
> > }
> >
> > - st->trig = devm_iio_trigger_alloc(&spi->dev, "%s-dev%d",
> > - indio_dev->name,
> > - iio_device_id(indio_dev));
> > - if (!st->trig)
> > - return -ENOMEM;
> > -
> > - st->trig->ops = &ad7768_trigger_ops;
> > - iio_trigger_set_drvdata(st->trig, indio_dev);
> > - ret = devm_iio_trigger_register(&spi->dev, st->trig);
> > - if (ret)
> > - return ret;
> > -
> > - indio_dev->trig = iio_trigger_get(st->trig);
> > -
> > init_completion(&st->completion);
> >
> > ret = ad7768_set_channel_label(indio_dev, ARRAY_SIZE(ad7768_channels));
> > @@ -696,10 +707,7 @@ static int ad7768_probe(struct spi_device *spi)
> > if (ret)
> > return ret;
> >
> > - ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev,
> > - &iio_pollfunc_store_time,
> > - &ad7768_trigger_handler,
> > - &ad7768_buffer_ops);
> > + ret = ad7768_triggered_buffer_alloc(indio_dev);
> > if (ret)
> > return ret;
> >
>