Use the new ringbuffer setup helper function to allocate and register buffer and
pollfunc.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
drivers/staging/iio/adc/ad7887_core.c | 9 ---------
drivers/staging/iio/adc/ad7887_ring.c | 33 +++------------------------------
2 files changed, 3 insertions(+), 39 deletions(-)
diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c
index db7e91f..1eb845b 100644
--- a/drivers/staging/iio/adc/ad7887_core.c
+++ b/drivers/staging/iio/adc/ad7887_core.c
@@ -199,20 +199,12 @@ static int __devinit ad7887_probe(struct spi_device *spi)
if (ret)
goto error_disable_reg;
- ret = iio_buffer_register(indio_dev,
- indio_dev->channels,
- indio_dev->num_channels);
- if (ret)
- goto error_cleanup_ring;
-
ret = iio_device_register(indio_dev);
if (ret)
goto error_unregister_ring;
return 0;
error_unregister_ring:
- iio_buffer_unregister(indio_dev);
-error_cleanup_ring:
ad7887_ring_cleanup(indio_dev);
error_disable_reg:
if (!IS_ERR(st->reg))
@@ -231,7 +223,6 @@ static int ad7887_remove(struct spi_device *spi)
struct ad7887_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- iio_buffer_unregister(indio_dev);
ad7887_ring_cleanup(indio_dev);
if (!IS_ERR(st->reg)) {
regulator_disable(st->reg);
diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c
index d180907..0552b3b 100644
--- a/drivers/staging/iio/adc/ad7887_ring.c
+++ b/drivers/staging/iio/adc/ad7887_ring.c
@@ -124,38 +124,11 @@ static const struct iio_buffer_setup_ops ad7887_ring_setup_ops = {
int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev)
{
- int ret;
-
- indio_dev->buffer = iio_sw_rb_allocate(indio_dev);
- if (!indio_dev->buffer) {
- ret = -ENOMEM;
- goto error_ret;
- }
- indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
- &ad7887_trigger_handler,
- IRQF_ONESHOT,
- indio_dev,
- "ad7887_consumer%d",
- indio_dev->id);
- if (indio_dev->pollfunc == NULL) {
- ret = -ENOMEM;
- goto error_deallocate_sw_rb;
- }
- /* Ring buffer functions - here trigger setup related */
- indio_dev->setup_ops = &ad7887_ring_setup_ops;
-
- /* Flag that polled ring buffering is possible */
- indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
- return 0;
-
-error_deallocate_sw_rb:
- iio_sw_rb_free(indio_dev->buffer);
-error_ret:
- return ret;
+ return iio_sw_rb_simple_setup(indio_dev, &iio_pollfunc_store_time,
+ &ad7887_trigger_handler, &ad7887_ring_setup_ops);
}
void ad7887_ring_cleanup(struct iio_dev *indio_dev)
{
- iio_dealloc_pollfunc(indio_dev->pollfunc);
- iio_sw_rb_free(indio_dev->buffer);
+ iio_sw_rb_simple_cleanup(indio_dev);
}
--
1.7.7.3
--
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