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staging:iio:ad7476: 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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@ -31,7 +31,7 @@ static irqreturn_t ad7476_trigger_handler(int irq, void *p)
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rxbuf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL);
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if (rxbuf == NULL)
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return -ENOMEM;
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goto done;
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b_sent = spi_read(st->spi, rxbuf,
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st->chip_info->channel[0].scan_type.storagebits / 8);
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