From: Zorro Liu <lyx@rock-chips.com>
Date: Fri, 5 Aug 2016 08:54:59 +0000 (+0800)
Subject: Revert "driver, iio, mpuxxx: do nothing when fifo count is zero"
X-Git-Tag: firefly_0821_release~1963
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=96d2053b15047365158c0b9ff2aa09cdc313acf8;p=firefly-linux-kernel-4.4.55.git

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 b4f15531da52..d8558d75c70d 100644
--- 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 */