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author | 2013-01-16 12:48:00 +0000 | |
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committer | 2013-01-26 10:07:50 +0000 | |
commit | d6b09bd85d57752395c6407bd8a9b32eb7b279ff (patch) | |
tree | 0ad920d6cd805a5e3a357bb678fcd0a1678fc9ea /drivers/staging/iio/imu/adis16400_ring.c | |
parent | staging:iio:adis16400: Code style cleanup (diff) | |
download | linux-dev-d6b09bd85d57752395c6407bd8a9b32eb7b279ff.tar.xz linux-dev-d6b09bd85d57752395c6407bd8a9b32eb7b279ff.zip |
staging:iio: Move adis16400 out of staging
This adis16400 driver is in pretty good shape now, so move it out of staging.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/imu/adis16400_ring.c')
-rw-r--r-- | drivers/staging/iio/imu/adis16400_ring.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c deleted file mode 100644 index 054c01d6e73c..000000000000 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ /dev/null @@ -1,96 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/bitops.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/buffer.h> -#include <linux/iio/triggered_buffer.h> -#include <linux/iio/trigger_consumer.h> - -#include "adis16400.h" - -int adis16400_update_scan_mode(struct iio_dev *indio_dev, - const unsigned long *scan_mask) -{ - struct adis16400_state *st = iio_priv(indio_dev); - struct adis *adis = &st->adis; - uint16_t *tx, *rx; - - if (st->variant->flags & ADIS16400_NO_BURST) - return adis_update_scan_mode(indio_dev, scan_mask); - - kfree(adis->xfer); - kfree(adis->buffer); - - adis->xfer = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL); - if (!adis->xfer) - return -ENOMEM; - - adis->buffer = kzalloc(indio_dev->scan_bytes + sizeof(u16), - GFP_KERNEL); - if (!adis->buffer) - return -ENOMEM; - - rx = adis->buffer; - tx = adis->buffer + indio_dev->scan_bytes; - - tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD); - tx[1] = 0; - - adis->xfer[0].tx_buf = tx; - adis->xfer[0].bits_per_word = 8; - adis->xfer[0].len = 2; - adis->xfer[1].tx_buf = tx; - adis->xfer[1].bits_per_word = 8; - adis->xfer[1].len = indio_dev->scan_bytes; - - spi_message_init(&adis->msg); - spi_message_add_tail(&adis->xfer[0], &adis->msg); - spi_message_add_tail(&adis->xfer[1], &adis->msg); - - return 0; -} - -irqreturn_t adis16400_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16400_state *st = iio_priv(indio_dev); - struct adis *adis = &st->adis; - u32 old_speed_hz = st->adis.spi->max_speed_hz; - int ret; - - if (!adis->buffer) - return -ENOMEM; - - if (!(st->variant->flags & ADIS16400_NO_BURST) && - st->adis.spi->max_speed_hz > ADIS16400_SPI_BURST) { - st->adis.spi->max_speed_hz = ADIS16400_SPI_BURST; - spi_setup(st->adis.spi); - } - - ret = spi_sync(adis->spi, &adis->msg); - if (ret) - dev_err(&adis->spi->dev, "Failed to read data: %d\n", ret); - - if (!(st->variant->flags & ADIS16400_NO_BURST)) { - st->adis.spi->max_speed_hz = old_speed_hz; - spi_setup(st->adis.spi); - } - - /* Guaranteed to be aligned with 8 byte boundary */ - if (indio_dev->scan_timestamp) { - void *b = adis->buffer + indio_dev->scan_bytes - sizeof(s64); - *(s64 *)b = pf->timestamp; - } - - iio_push_to_buffers(indio_dev, adis->buffer); - - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} |