Re: [PATCH v3 2/6] iio: adis_buffer: update device page after changing it

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On Tue, Apr 27, 2021 at 11:53 AM Nuno Sa <nuno.sa@xxxxxxxxxx> wrote:
>
> It makes more sense to update the device page as soon as we we
> successfully changed it. Moreover, a follow up patch will handle
> 'spi_sync' error path which would leave 'current_page' in a inconsistent
> state.
>

Reviewed-by: Alexandru Ardelean <ardeleanalex@xxxxxxxxx>


> Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
> ---
>  drivers/iio/imu/adis_buffer.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
> index 0ae551a748eb..4fc0e0ca7561 100644
> --- a/drivers/iio/imu/adis_buffer.c
> +++ b/drivers/iio/imu/adis_buffer.c
> @@ -140,6 +140,8 @@ static irqreturn_t adis_trigger_handler(int irq, void *p)
>                                 mutex_unlock(&adis->state_lock);
>                                 goto irq_done;
>                         }
> +
> +                       adis->current_page = 0;
>                 }
>         }
>
> @@ -148,10 +150,8 @@ static irqreturn_t adis_trigger_handler(int irq, void *p)
>                 dev_err(&adis->spi->dev, "Failed to read data: %d", ret);
>
>
> -       if (adis->data->has_paging) {
> -               adis->current_page = 0;
> +       if (adis->data->has_paging)
>                 mutex_unlock(&adis->state_lock);
> -       }
>
>         iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,
>                 pf->timestamp);
> --
> 2.31.1
>



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