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staging:iio:ad7298: Do not return error code in interrupt handler
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. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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1 changed files with 3 additions and 1 deletions
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@ -82,7 +82,7 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
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b_sent = spi_sync(st->spi, &st->ring_msg);
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if (b_sent)
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return b_sent;
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goto done;
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if (indio_dev->scan_timestamp) {
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time_ns = iio_get_time_ns();
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@ -95,6 +95,8 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
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buf[i] = be16_to_cpu(st->rx_buf[i]);
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indio_dev->buffer->access->store_to(ring, (u8 *)buf, time_ns);
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done:
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iio_trigger_notify_done(indio_dev->trig);
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return IRQ_HANDLED;
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