iio: imu: inv_mpu6050: do not flush fifo when iio buffer is full
authorJean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Fri, 13 Apr 2018 08:25:06 +0000 (10:25 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 15 Apr 2018 17:06:25 +0000 (18:06 +0100)
There is no need to flush fifo and loose all data when the iio
buffer is full. Just drop the data by ignoring the error as
commonly done in other drivers.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Reviewed-by: Martin Kelly <martin@martingkelly.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c

index ff81c6aa009d5fc5237caea7f780ef2f39376b87..27c663ca1f441900b828774498f8bcec9cecd563 100644 (file)
@@ -170,10 +170,8 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p)
                if (result == 0)
                        timestamp = 0;
 
-               result = iio_push_to_buffers_with_timestamp(indio_dev, data,
-                                                           timestamp);
-               if (result)
-                       goto flush_fifo;
+               iio_push_to_buffers_with_timestamp(indio_dev, data, timestamp);
+
                fifo_count -= bytes_per_datum;
        }