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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-15 09:46:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-15 09:46:23 -0700
commitade7afe3e606f9f6ff0e6deefce140157f75540b (patch)
tree14be1cde214ed46179c23c007cbdc2e98bc2a381 /drivers/iio/imu/adis_buffer.c
parent3e4fb4346c781068610d03c12b16c0cfb0fd24a3 (diff)
parente1f13c879a7c21bd207dc6242455e8e3a1e88b40 (diff)
Merge tag 'staging-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver updates from Greg KH: "Here is the large set of staging and IIO driver updates for 5.10-rc1. Included in here are: - new IIO drivers - new IIO driver frameworks - various IIO driver fixes and updates - IIO device tree conversions to yaml - so many minor staging driver coding style cleanups - most cdev driver moved out of staging - no staging drivers added or removed Full details are in the shortlog. All of these have been in linux-next for a while with no reported issues" * tag 'staging-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (476 commits) staging: comedi: check validity of wMaxPacketSize of usb endpoints found staging: wfx: improve robustness of wfx_get_hw_rate() staging: wfx: drop unicode characters from strings staging: wfx: gpiod_get_value() can return an error staging: wfx: increase robustness of hif_generic_confirm() staging: wfx: wfx_init_common() returns NULL on error staging: wfx: standardize the error when vif does not exist staging: wfx: check memory allocation staging: wfx: improve error handling of hif_join() staging: dpaa2-switch: add a dpaa2_switch prefix to all functions in ethsw.c staging: dpaa2-switch: add a dpaa2_switch_ prefix to all functions in ethsw-ethtool.c staging: rtl8188eu: Fix long lines dt-bindings: staging: wfx: silabs,wfx yaml conversion staging: wfx: update copyrights dates staging: wfx: fix QoS priority for slow buses staging: wfx: fix BA sessions for older firmwares staging: wfx: remove remaining code of 'secure link' feature staging: wfx: fix handling of MMIC error staging: vchiq: Fix list_for_each exit tests staging: greybus: use __force when assigning __u8 value to snd_ctl_elem_type_t ...
Diffstat (limited to 'drivers/iio/imu/adis_buffer.c')
-rw-r--r--drivers/iio/imu/adis_buffer.c76
1 files changed, 9 insertions, 67 deletions
diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 5b4225ee09b9..ac354321f63a 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -26,12 +26,10 @@ static int adis_update_scan_mode_burst(struct iio_dev *indio_dev,
unsigned int burst_length, burst_max_length;
u8 *tx;
- /* All but the timestamp channel */
- burst_length = (indio_dev->num_channels - 1) * sizeof(u16);
- burst_length += adis->burst->extra_len + adis->burst_extra_len;
+ burst_length = adis->data->burst_len + adis->burst_extra_len;
- if (adis->burst->burst_max_len)
- burst_max_length = adis->burst->burst_max_len;
+ if (adis->data->burst_max_len)
+ burst_max_length = adis->data->burst_max_len;
else
burst_max_length = burst_length;
@@ -47,7 +45,7 @@ static int adis_update_scan_mode_burst(struct iio_dev *indio_dev,
}
tx = adis->buffer + burst_max_length;
- tx[0] = ADIS_READ_REG(adis->burst->reg_cmd);
+ tx[0] = ADIS_READ_REG(adis->data->burst_reg_cmd);
tx[1] = 0;
adis->xfer[0].tx_buf = tx;
@@ -76,7 +74,7 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
kfree(adis->xfer);
kfree(adis->buffer);
- if (adis->burst && adis->burst->en)
+ if (adis->data->burst_len)
return adis_update_scan_mode_burst(indio_dev, scan_mask);
scan_count = indio_dev->scan_bytes / 2;
@@ -170,48 +168,6 @@ static void adis_buffer_cleanup(void *arg)
}
/**
- * adis_setup_buffer_and_trigger() - Sets up buffer and trigger for the adis device
- * @adis: The adis device.
- * @indio_dev: The IIO device.
- * @trigger_handler: Optional trigger handler, may be NULL.
- *
- * Returns 0 on success, a negative error code otherwise.
- *
- * This function sets up the buffer and trigger for a adis devices. If
- * 'trigger_handler' is NULL the default trigger handler will be used. The
- * default trigger handler will simply read the registers assigned to the
- * currently active channels.
- *
- * adis_cleanup_buffer_and_trigger() should be called to free the resources
- * allocated by this function.
- */
-int adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
- irqreturn_t (*trigger_handler)(int, void *))
-{
- int ret;
-
- if (!trigger_handler)
- trigger_handler = adis_trigger_handler;
-
- ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
- trigger_handler, NULL);
- if (ret)
- return ret;
-
- if (adis->spi->irq) {
- ret = adis_probe_trigger(adis, indio_dev);
- if (ret)
- goto error_buffer_cleanup;
- }
- return 0;
-
-error_buffer_cleanup:
- iio_triggered_buffer_cleanup(indio_dev);
- return ret;
-}
-EXPORT_SYMBOL_GPL(adis_setup_buffer_and_trigger);
-
-/**
* devm_adis_setup_buffer_and_trigger() - Sets up buffer and trigger for
* the managed adis device
* @adis: The adis device
@@ -220,7 +176,10 @@ EXPORT_SYMBOL_GPL(adis_setup_buffer_and_trigger);
*
* Returns 0 on success, a negative error code otherwise.
*
- * This function perfoms exactly the same as adis_setup_buffer_and_trigger()
+ * This function sets up the buffer and trigger for a adis devices. If
+ * 'trigger_handler' is NULL the default trigger handler will be used. The
+ * default trigger handler will simply read the registers assigned to the
+ * currently active channels.
*/
int
devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
@@ -248,20 +207,3 @@ devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
}
EXPORT_SYMBOL_GPL(devm_adis_setup_buffer_and_trigger);
-/**
- * adis_cleanup_buffer_and_trigger() - Free buffer and trigger resources
- * @adis: The adis device.
- * @indio_dev: The IIO device.
- *
- * Frees resources allocated by adis_setup_buffer_and_trigger()
- */
-void adis_cleanup_buffer_and_trigger(struct adis *adis,
- struct iio_dev *indio_dev)
-{
- if (adis->spi->irq)
- adis_remove_trigger(adis);
- kfree(adis->buffer);
- kfree(adis->xfer);
- iio_triggered_buffer_cleanup(indio_dev);
-}
-EXPORT_SYMBOL_GPL(adis_cleanup_buffer_and_trigger);