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path: root/drivers/staging/iio/adc/ad7606_ring.c
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Diffstat (limited to 'drivers/staging/iio/adc/ad7606_ring.c')
-rw-r--r--drivers/staging/iio/adc/ad7606_ring.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/staging/iio/adc/ad7606_ring.c b/drivers/staging/iio/adc/ad7606_ring.c
index 1ef9fbcaf2de..24ce8fc71646 100644
--- a/drivers/staging/iio/adc/ad7606_ring.c
+++ b/drivers/staging/iio/adc/ad7606_ring.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2011 Analog Devices Inc.
+ * Copyright 2011-2012 Analog Devices Inc.
*
* Licensed under the GPL-2.
*
@@ -11,10 +11,10 @@
#include <linux/kernel.h>
#include <linux/slab.h>
-#include "../iio.h"
-#include "../buffer.h"
-#include "../ring_sw.h"
-#include "../trigger_consumer.h"
+#include <linux/iio/iio.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/kfifo_buf.h>
+#include <linux/iio/trigger_consumer.h>
#include "ad7606.h"
@@ -51,8 +51,7 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s)
__u8 *buf;
int ret;
- buf = kzalloc(ring->access->get_bytes_per_datum(ring),
- GFP_KERNEL);
+ buf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL);
if (buf == NULL)
return;
@@ -82,9 +81,8 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s)
time_ns = iio_get_time_ns();
- if (ring->scan_timestamp)
- *((s64 *)(buf + ring->access->get_bytes_per_datum(ring) -
- sizeof(s64))) = time_ns;
+ if (indio_dev->scan_timestamp)
+ *((s64 *)(buf + indio_dev->scan_bytes - sizeof(s64))) = time_ns;
ring->access->store_to(indio_dev->buffer, buf, time_ns);
done:
@@ -104,7 +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;
@@ -119,13 +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);
@@ -133,8 +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;
}
@@ -142,5 +140,5 @@ error_ret:
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);
}