diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7606_ring.c')
-rw-r--r-- | drivers/staging/iio/adc/ad7606_ring.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/staging/iio/adc/ad7606_ring.c b/drivers/staging/iio/adc/ad7606_ring.c index 351d58eb908..925806c9cd5 100644 --- a/drivers/staging/iio/adc/ad7606_ring.c +++ b/drivers/staging/iio/adc/ad7606_ring.c @@ -27,13 +27,13 @@ int ad7606_scan_from_ring(struct ad7606_state *st, unsigned ch) int ret; u16 *ring_data; - ring_data = kmalloc(ring->access.get_bytes_per_datum(ring), + ring_data = kmalloc(ring->access->get_bytes_per_datum(ring), GFP_KERNEL); if (ring_data == NULL) { ret = -ENOMEM; goto error_ret; } - ret = ring->access.read_last(ring, (u8 *) ring_data); + ret = ring->access->read_last(ring, (u8 *) ring_data); if (ret) goto error_free_ring_data; @@ -68,8 +68,8 @@ static int ad7606_ring_preenable(struct iio_dev *indio_dev) d_size += sizeof(s64) - (d_size % sizeof(s64)); } - if (ring->access.set_bytes_per_datum) - ring->access.set_bytes_per_datum(ring, d_size); + if (ring->access->set_bytes_per_datum) + ring->access->set_bytes_per_datum(ring, d_size); st->d_size = d_size; @@ -105,7 +105,6 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s) struct ad7606_state *st = container_of(work_s, struct ad7606_state, poll_work); struct iio_dev *indio_dev = iio_priv_to_dev(st); - struct iio_sw_ring_buffer *sw_ring = iio_to_sw_ring(indio_dev->ring); struct iio_ring_buffer *ring = indio_dev->ring; s64 time_ns; __u8 *buf; @@ -145,13 +144,19 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s) memcpy(buf + st->d_size - sizeof(s64), &time_ns, sizeof(time_ns)); - ring->access.store_to(&sw_ring->buf, buf, time_ns); + ring->access->store_to(indio_dev->ring, buf, time_ns); done: gpio_set_value(st->pdata->gpio_convst, 0); iio_trigger_notify_done(indio_dev->trig); kfree(buf); } +static const struct iio_ring_setup_ops ad7606_ring_setup_ops = { + .preenable = &ad7606_ring_preenable, + .postenable = &iio_triggered_ring_postenable, + .predisable = &iio_triggered_ring_predisable, +}; + int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) { struct ad7606_state *st = indio_dev->dev_data; @@ -164,7 +169,7 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) } /* Effectively select the ring buffer implementation */ - iio_ring_sw_register_funcs(&indio_dev->ring->access); + indio_dev->ring->access = &ring_sw_access_funcs; indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL); if (indio_dev->pollfunc == NULL) { ret = -ENOMEM; @@ -183,9 +188,7 @@ int ad7606_register_ring_funcs_and_init(struct iio_dev *indio_dev) } /* Ring buffer functions - here trigger setup related */ - indio_dev->ring->preenable = &ad7606_ring_preenable; - indio_dev->ring->postenable = &iio_triggered_ring_postenable; - indio_dev->ring->predisable = &iio_triggered_ring_predisable; + indio_dev->ring->setup_ops = &ad7606_ring_setup_ops; indio_dev->ring->scan_timestamp = true ; INIT_WORK(&st->poll_work, &ad7606_poll_bh_to_ring); |