Revert "driver, iio, mpuxxx: do nothing when fifo count is zero"

This reverts commit 98827e305e4c13add79acbfc58f15bd96c09cc92.

Change-Id: I603799406f380fc649083e2ef66e8e78608f378c
Signed-off-by: Zorro Liu <lyx@rock-chips.com>

diff --git a/drivers/staging/iio/imu/inv_mpu/inv_mpu_ring.c b/drivers/staging/iio/imu/inv_mpu/inv_mpu_ring.c
index b4f15531da52b0c64ff57a19e8ead0f9b3a25cf7..d8558d75c70d4a442e8ae23eaa1a795c46cc8d46 100644 (file)
--- a/drivers/staging/iio/imu/inv_mpu/inv_mpu_ring.c
+++ b/drivers/staging/iio/imu/inv_mpu/inv_mpu_ring.c
@@ -1002,10 +1002,8 @@ irqreturn_t inv_read_fifo(int irq, void *dev_id)
                if (result)
                        goto end_session;
                fifo_count = be16_to_cpup((__be16 *)(&data[0]));
-               /*
                if (fifo_count == 0)
                        goto flush_fifo;
-               */
                if (fifo_count < bytes_per_datum)
                        goto end_session;
                /* fifo count can't be odd number */