On 07/04/2012 05:09 PM, Lars-Peter Clausen wrote:
> The interrupt handler should only ever return one of the three irqreturn_t
> constants and not an error code. Also make sure to always call
> iio_trigger_notify_done before leaving the trigger handler.
>
merged all. Thanks.
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
> ---
> drivers/staging/iio/adc/ad7298_ring.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c
> index cd3e9cb..fd1d855 100644
> --- a/drivers/staging/iio/adc/ad7298_ring.c
> +++ b/drivers/staging/iio/adc/ad7298_ring.c
> @@ -82,7 +82,7 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
>
> b_sent = spi_sync(st->spi, &st->ring_msg);
> if (b_sent)
> - return b_sent;
> + goto done;
>
> if (indio_dev->scan_timestamp) {
> time_ns = iio_get_time_ns();
> @@ -95,6 +95,8 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
> buf[i] = be16_to_cpu(st->rx_buf[i]);
>
> indio_dev->buffer->access->store_to(ring, (u8 *)buf, time_ns);
> +
> +done:
> iio_trigger_notify_done(indio_dev->trig);
>
> return IRQ_HANDLED;
>
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