staging:iio:adis16080: be16 cleanups
The sample buffer contains big endian 16bit words. So use the be16 datatype for
the buffer and use the proper helper functions for endianness conversion instead
of openconding it.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c
index ddeae16..d033b6f 100644
--- a/drivers/staging/iio/gyro/adis16080_core.c
+++ b/drivers/staging/iio/gyro/adis16080_core.c
@@ -39,7 +39,7 @@
struct spi_device *us;
struct mutex buf_lock;
- u8 buf[2] ____cacheline_aligned;
+ __be16 buf ____cacheline_aligned;
};
static int adis16080_read_sample(struct iio_dev *indio_dev,
@@ -60,8 +60,7 @@
};
mutex_lock(&st->buf_lock);
- st->buf[0] = addr >> 8;
- st->buf[1] = addr;
+ st->buf = cpu_to_be16(addr | ADIS16080_DIN_WRITE);
spi_message_init(&m);
spi_message_add_tail(&t[0], &m);
@@ -69,7 +68,7 @@
ret = spi_sync(st->us, &m);
if (ret == 0)
- *val = sign_extend32(((st->buf[0] & 0xF) << 8) | st->buf[1], 11);
+ *val = sign_extend32(be16_to_cpu(st->buf), 11);
mutex_unlock(&st->buf_lock);
return ret;