On 12/01/2011 02:19 PM, Lars-Peter Clausen wrote:
> Use the new ringbuffer setup helper function to allocate and register buffer and
> pollfunc.
>
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
> ---
> drivers/staging/iio/accel/adis16201_core.c | 11 --------
> drivers/staging/iio/accel/adis16201_ring.c | 38 ++++-----------------------
> 2 files changed, 6 insertions(+), 43 deletions(-)
>
> diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c
> index ed97da2..29e3c91 100644
> --- a/drivers/staging/iio/accel/adis16201_core.c
> +++ b/drivers/staging/iio/accel/adis16201_core.c
> @@ -491,14 +491,6 @@ static int __devinit adis16201_probe(struct spi_device *spi)
> if (ret)
> goto error_free_dev;
>
> - ret = iio_buffer_register(indio_dev,
> - adis16201_channels,
> - ARRAY_SIZE(adis16201_channels));
> - if (ret) {
> - printk(KERN_ERR "failed to initialize the ring\n");
> - goto error_unreg_ring_funcs;
> - }
> -
> if (spi->irq) {
> ret = adis16201_probe_trigger(indio_dev);
> if (ret)
> @@ -518,8 +510,6 @@ static int __devinit adis16201_probe(struct spi_device *spi)
> error_remove_trigger:
> adis16201_remove_trigger(indio_dev);
> error_uninitialize_ring:
> - iio_buffer_unregister(indio_dev);
> -error_unreg_ring_funcs:
> adis16201_unconfigure_ring(indio_dev);
> error_free_dev:
> iio_free_device(indio_dev);
> @@ -533,7 +523,6 @@ static int adis16201_remove(struct spi_device *spi)
>
> iio_device_unregister(indio_dev);
> adis16201_remove_trigger(indio_dev);
> - iio_buffer_unregister(indio_dev);
> adis16201_unconfigure_ring(indio_dev);
> iio_free_device(indio_dev);
>
> diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c
> index 97f9e6b..882a1e3 100644
> --- a/drivers/staging/iio/accel/adis16201_ring.c
> +++ b/drivers/staging/iio/accel/adis16201_ring.c
> @@ -94,44 +94,18 @@ static irqreturn_t adis16201_trigger_handler(int irq, void *p)
>
> void adis16201_unconfigure_ring(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);
> }
>
> -static const struct iio_buffer_setup_ops adis16201_ring_setup_ops = {
> - .preenable = &iio_sw_buffer_preenable,
> - .postenable = &iio_triggered_buffer_postenable,
> - .predisable = &iio_triggered_buffer_predisable,
> -};
> -
> int adis16201_configure_ring(struct iio_dev *indio_dev)
> {
> - int ret = 0;
> - struct iio_buffer *ring;
> + int ret;
>
> - ring = iio_sw_rb_allocate(indio_dev);
> - if (!ring) {
> - ret = -ENOMEM;
> + ret = iio_sw_rb_simple_setup(indio_dev, &iio_pollfunc_store_time,
> + &adis16201_trigger_handler);
> + if (ret)
> return ret;
> - }
> - indio_dev->buffer = ring;
> - ring->scan_timestamp = true;
> - indio_dev->setup_ops = &adis16201_ring_setup_ops;
> -
> - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
> - &adis16201_trigger_handler,
> - IRQF_ONESHOT,
> - indio_dev,
> - "adis16201_consumer%d",
> - indio_dev->id);
> - if (indio_dev->pollfunc == NULL) {
> - ret = -ENOMEM;
> - goto error_iio_sw_rb_free;
> - }
>
> - indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
> + indio_dev->buffer->scan_timestamp = true;
> return 0;
> -error_iio_sw_rb_free:
> - iio_sw_rb_free(indio_dev->buffer);
> - return ret;
> }
--
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