From cf624e69d22bfaed5d85b432a19f93036f0902c2 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 9 Jan 2013 14:01:00 +0000
Subject: [PATCH] --- yaml --- r: 354218 b: refs/heads/master c:
 61992d993beb5af8c64c617ec474439079aa726d h: refs/heads/master v: v3

---
 [refs]                                          | 2 +-
 trunk/drivers/staging/iio/gyro/adis16080_core.c | 5 -----
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/[refs] b/[refs]
index 6b06fe43a5d2..e1847cb266be 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3c80372dae17cb1a5a493c9ed02f7ca2a8d9ce53
+refs/heads/master: 61992d993beb5af8c64c617ec474439079aa726d
diff --git a/trunk/drivers/staging/iio/gyro/adis16080_core.c b/trunk/drivers/staging/iio/gyro/adis16080_core.c
index d033b6f486a6..76764ba16719 100644
--- a/trunk/drivers/staging/iio/gyro/adis16080_core.c
+++ b/trunk/drivers/staging/iio/gyro/adis16080_core.c
@@ -33,11 +33,9 @@
  * struct adis16080_state - device instance specific data
  * @us:			actual spi_device to write data
  * @buf:		transmit or receive buffer
- * @buf_lock:		mutex to protect tx and rx
  **/
 struct adis16080_state {
 	struct spi_device		*us;
-	struct mutex			buf_lock;
 
 	__be16 buf ____cacheline_aligned;
 };
@@ -59,7 +57,6 @@ static int adis16080_read_sample(struct iio_dev *indio_dev,
 		},
 	};
 
-	mutex_lock(&st->buf_lock);
 	st->buf = cpu_to_be16(addr | ADIS16080_DIN_WRITE);
 
 	spi_message_init(&m);
@@ -69,7 +66,6 @@ static int adis16080_read_sample(struct iio_dev *indio_dev,
 	ret = spi_sync(st->us, &m);
 	if (ret == 0)
 		*val = sign_extend32(be16_to_cpu(st->buf), 11);
-	mutex_unlock(&st->buf_lock);
 
 	return ret;
 }
@@ -144,7 +140,6 @@ static int adis16080_probe(struct spi_device *spi)
 
 	/* Allocate the comms buffers */
 	st->us = spi;
-	mutex_init(&st->buf_lock);
 
 	indio_dev->name = spi->dev.driver->name;
 	indio_dev->channels = adis16080_channels;