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staging: iio: adc: convert ADI drivers to use kfifo.

Browse source 
sw_ring is depreciated and therefore won't move out of staging.
Prerequisite for lifting affected drivers is to convert them to kfifo.
Update copyright.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Hennerich 2012-04-30 16:06:12 +02:00 committed by Greg Kroah-Hartman
parent 949fd38c7b
commit f316983fe0
8 changed files with 56 additions and 56 deletions
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12
drivers/staging/iio/adc/Kconfig
View file

@ -25,7 +25,7 @@ config AD7606
depends on GPIOLIB
select IIO_BUFFER
select IIO_TRIGGER
select IIO_SW_RING
select IIO_KFIFO_BUF
help
Say yes here to build support for Analog Devices:
ad7606, ad7606-6, ad7606-4 analog to digital converters (ADC).
@ -63,7 +63,7 @@ config AD799X_RING_BUFFER
bool "Analog Devices AD799x: use ring buffer"
depends on AD799X
select IIO_BUFFER
select IIO_SW_RING
select IIO_KFIFO_BUF
help
Say yes here to include ring buffer support in the AD799X
ADC driver.
@ -72,7 +72,7 @@ config AD7476
tristate "Analog Devices AD7475/6/7/8 AD7466/7/8 and AD7495 ADC driver"
depends on SPI
select IIO_BUFFER
select IIO_SW_RING
select IIO_KFIFO_BUF
select IIO_TRIGGER
help
Say yes here to build support for Analog Devices
@ -87,7 +87,7 @@ config AD7887
tristate "Analog Devices AD7887 ADC driver"
depends on SPI
select IIO_BUFFER
select IIO_SW_RING
select IIO_KFIFO_BUF
select IIO_TRIGGER
help
Say yes here to build support for Analog Devices
@ -113,7 +113,7 @@ config AD7793
tristate "Analog Devices AD7792 AD7793 ADC driver"
depends on SPI
select IIO_BUFFER
select IIO_SW_RING
select IIO_KFIFO_BUF
select IIO_TRIGGER
help
Say yes here to build support for Analog Devices
@ -135,7 +135,7 @@ config AD7192
tristate "Analog Devices AD7190 AD7192 AD7195 ADC driver"
depends on SPI
select IIO_BUFFER
select IIO_SW_RING
select IIO_KFIFO_BUF
select IIO_TRIGGER
help
Say yes here to build support for Analog Devices AD7190,

14
drivers/staging/iio/adc/ad7192.c
View file

@ -1,7 +1,7 @@
/*
* AD7190 AD7192 AD7195 SPI ADC driver
*
* Copyright 2011 Analog Devices Inc.
* Copyright 2011-2012 Analog Devices Inc.
*
* Licensed under the GPL-2.
*/
@ -20,7 +20,7 @@
#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 <linux/iio/trigger.h>
#include <linux/iio/trigger_consumer.h>
@ -544,7 +544,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
int ret;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -557,7 +557,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->id);
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
@ -567,8 +567,8 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -576,7 +576,7 @@ static int ad7192_register_ring_funcs_and_init(struct iio_dev *indio_dev)
static void ad7192_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}
/**

14
drivers/staging/iio/adc/ad7298_ring.c
View file

@ -1,7 +1,7 @@
/*
* AD7298 SPI ADC driver
*
* Copyright 2011 Analog Devices Inc.
* Copyright 2011-2012 Analog Devices Inc.
*
* Licensed under the GPL-2.
*/
@ -13,7 +13,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include <linux/iio/kfifo_buf.h>
#include <linux/iio/trigger_consumer.h>
#include "ad7298.h"
@ -118,7 +118,7 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
int ret;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -132,7 +132,7 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev)
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
@ -143,8 +143,8 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -152,5 +152,5 @@ int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev)
void ad7298_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}

14
drivers/staging/iio/adc/ad7476_ring.c
View file

@ -1,5 +1,5 @@
/*
* Copyright 2010 Analog Devices Inc.
* Copyright 2010-2012 Analog Devices Inc.
* Copyright (C) 2008 Jonathan Cameron
*
* Licensed under the GPL-2 or later.
@ -15,7 +15,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include <linux/iio/kfifo_buf.h>
#include <linux/iio/trigger_consumer.h>
#include "ad7476.h"
@ -63,7 +63,7 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev)
struct ad7476_state *st = iio_priv(indio_dev);
int ret = 0;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -78,7 +78,7 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->id);
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
@ -89,8 +89,8 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -98,5 +98,5 @@ int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev)
void ad7476_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}

16
drivers/staging/iio/adc/ad7606_ring.c
View file

@ -1,5 +1,5 @@
/*
* Copyright 2011 Analog Devices Inc.
* Copyright 2011-2012 Analog Devices Inc.
*
* Licensed under the GPL-2.
*
@ -13,7 +13,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include <linux/iio/kfifo_buf.h>
#include <linux/iio/trigger_consumer.h>
#include "ad7606.h"
@ -102,7 +102,7 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev)
struct ad7606_state *st = iio_priv(indio_dev);
int ret;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -117,13 +117,13 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->id);
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
indio_dev->setup_ops = &ad7606_ring_setup_ops;
indio_dev->buffer->scan_timestamp = true ;
indio_dev->buffer->scan_timestamp = true;
INIT_WORK(&st->poll_work, &ad7606_poll_bh_to_ring);
@ -131,8 +131,8 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -140,5 +140,5 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev)
void ad7606_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}

14
drivers/staging/iio/adc/ad7793.c
View file

@ -1,7 +1,7 @@
/*
* AD7792/AD7793 SPI ADC driver
*
* Copyright 2011 Analog Devices Inc.
* Copyright 2011-2012 Analog Devices Inc.
*
* Licensed under the GPL-2.
*/
@ -21,7 +21,7 @@
#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 <linux/iio/trigger.h>
#include <linux/iio/trigger_consumer.h>
@ -409,7 +409,7 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
int ret;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -422,7 +422,7 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->id);
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
@ -432,8 +432,8 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -441,7 +441,7 @@ static int ad7793_register_ring_funcs_and_init(struct iio_dev *indio_dev)
static void ad7793_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}
/**

14
drivers/staging/iio/adc/ad7887_ring.c
View file

@ -1,5 +1,5 @@
/*
* Copyright 2010-2011 Analog Devices Inc.
* Copyright 2010-2012 Analog Devices Inc.
* Copyright (C) 2008 Jonathan Cameron
*
* Licensed under the GPL-2.
@ -14,7 +14,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include <linux/iio/kfifo_buf.h>
#include <linux/iio/trigger_consumer.h>
#include "ad7887.h"
@ -114,7 +114,7 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
int ret;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -127,7 +127,7 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->id);
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
indio_dev->setup_ops = &ad7887_ring_setup_ops;
@ -136,8 +136,8 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -145,5 +145,5 @@ int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev)
void ad7887_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}

14
drivers/staging/iio/adc/ad799x_ring.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
* Copyright (C) 2010-2012 Michael Hennerich, Analog Devices Inc.
* Copyright (C) 2008-2010 Jonathan Cameron
*
* This program is free software; you can redistribute it and/or modify
@ -18,7 +18,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include <linux/iio/kfifo_buf.h>
#include <linux/iio/trigger_consumer.h>
#include "ad799x.h"
@ -120,7 +120,7 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
int ret = 0;
indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
indio_dev->buffer = iio_kfifo_allocate(indio_dev);
if (!indio_dev->buffer) {
ret = -ENOMEM;
goto error_ret;
@ -134,7 +134,7 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->id);
if (indio_dev->pollfunc == NULL) {
ret = -ENOMEM;
goto error_deallocate_sw_rb;
goto error_deallocate_kfifo;
}
/* Ring buffer functions - here trigger setup related */
@ -145,8 +145,8 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev)
indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
return 0;
error_deallocate_sw_rb:
iio_sw_rb_free(indio_dev->buffer);
error_deallocate_kfifo:
iio_kfifo_free(indio_dev->buffer);
error_ret:
return ret;
}
@ -154,5 +154,5 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev)
void ad799x_ring_cleanup(struct iio_dev *indio_dev)
{
iio_dealloc_pollfunc(indio_dev->pollfunc);
iio_sw_rb_free(indio_dev->buffer);
iio_kfifo_free(indio_dev->buffer);
}