diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-06-18 16:33:55 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-19 00:26:10 (GMT) |
| commit | cc4dd03a6a9535cb2f731c5069e6a02781e3267a (patch) | |
| tree | 15ff28f22b5153057c9d39d0d94f01d4f7fd7179 | |
| parent | 82796edca9ba014aa09cc158240c23b5b3f9326d (diff) | |
| download | linux-fsl-qoriq-cc4dd03a6a9535cb2f731c5069e6a02781e3267a.tar.xz | |
staging:iio:adc:ad7887: Use new triggered buffer setup helper function
Use the new triggered buffer setup helper function to allocate and register
buffer and pollfunc.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/iio/adc/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/staging/iio/adc/ad7887_core.c | 9 | ||||
| -rw-r--r-- | drivers/staging/iio/adc/ad7887_ring.c | 35 |
3 files changed, 5 insertions, 42 deletions
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index 4fcc4be..e3fdb84 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -86,8 +86,7 @@ config AD7887 tristate "Analog Devices AD7887 ADC driver" depends on SPI select IIO_BUFFER - select IIO_KFIFO_BUF - select IIO_TRIGGER + select IIO_TRIGGERED_BUFFER help Say yes here to build support for Analog Devices AD7887 SPI analog to digital converter (ADC). diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c index 7186074..397b849 100644 --- a/drivers/staging/iio/adc/ad7887_core.c +++ b/drivers/staging/iio/adc/ad7887_core.c @@ -201,20 +201,12 @@ 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)) @@ -233,7 +225,6 @@ 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 fd91384..1c406da 100644 --- a/drivers/staging/iio/adc/ad7887_ring.c +++ b/drivers/staging/iio/adc/ad7887_ring.c @@ -14,8 +14,8 @@ #include <linux/iio/iio.h> #include <linux/iio/buffer.h> -#include <linux/iio/kfifo_buf.h> #include <linux/iio/trigger_consumer.h> +#include <linux/iio/triggered_buffer.h> #include "ad7887.h" @@ -112,38 +112,11 @@ 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_kfifo_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_kfifo; - } - /* 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_kfifo: - iio_kfifo_free(indio_dev->buffer); -error_ret: - return ret; + return iio_triggered_buffer_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_kfifo_free(indio_dev->buffer); + iio_triggered_buffer_cleanup(indio_dev); } |