[PATCH 5.14 077/151] iio: accel: fxls8962af: return IRQ_HANDLED when fifo is flushed

Greg Kroah-Hartman
2021-10-18T13:55:25Z

From: Sean Nyekjaer <sean@geanix.com>

commit 9033c7a357481fb5bcc1737bafa4aec572dca5c6 upstream.

fxls8962af_fifo_flush() will return the samples flushed.
So return IRQ_NONE only if an error is returned.

Fixes: 79e3a5bdd9ef ("iio: accel: fxls8962af: add hw buffered sampling")
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20210817124336.1672169-1-sean@geanix.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/accel/fxls8962af-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -738,7 +738,7 @@ static irqreturn_t fxls8962af_interrupt(

if (reg & FXLS8962AF_INT_STATUS_SRC_BUF) {
ret = fxls8962af_fifo_flush(indio_dev);
- if (ret)
+ if (ret < 0)
return IRQ_NONE;

return IRQ_HANDLED;