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staging:iio:impedance-analyzer switch from sw_ring to kfifo.

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sw_ring buffer implementation is going away so switch to the
kfifo based alternative.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Jonathan Cameron 2012-11-30 14:22:00 +00:00
parent a819a0df8a
commit 032658a446
2 changed files with 5 additions and 5 deletions
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2
drivers/staging/iio/impedance-analyzer/Kconfig
View File

@ -7,7 +7,7 @@ config AD5933
tristate "Analog Devices AD5933, AD5934 driver"
depends on I2C
select IIO_BUFFER
select IIO_SW_RING
select IIO_KFIFO_BUF
help
Say yes here to build support for Analog Devices Impedance Converter,
Network Analyzer, AD5933/4, provides direct access via sysfs.

8
drivers/staging/iio/impedance-analyzer/ad5933.c
View File

@ -22,7 +22,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include <linux/iio/kfifo_buf.h>
#include "ad5933.h"
@ -630,7 +630,7 @@ static const struct iio_buffer_setup_ops ad5933_ring_setup_ops = {
static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer)
return -ENOMEM;
@ -774,7 +774,7 @@ static int ad5933_probe(struct i2c_client *client,
error_uninitialize_ring:
iio_buffer_unregister(indio_dev);
error_unreg_ring:
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
error_disable_reg:
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
@ -794,7 +794,7 @@ static int ad5933_remove(struct i2c_client *client)
iio_device_unregister(indio_dev);
iio_buffer_unregister(indio_dev);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
if (!IS_ERR(st->reg)) {
regulator_disable(st->reg);
regulator_put(st->reg);