Drop `adis_setup_buffer_and_trigger()`. All users were updated to use the devm version of this function. This avoids having almost the same code repeated. Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx> --- Changes in v2: * Nothing changed. drivers/iio/imu/adis_buffer.c | 64 +++------------------------------- drivers/iio/imu/adis_trigger.c | 60 ------------------------------- include/linux/iio/imu/adis.h | 27 -------------- 3 files changed, 4 insertions(+), 147 deletions(-) diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index 5b4225ee09b9..df6144285470 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -169,48 +169,6 @@ static void adis_buffer_cleanup(void *arg) kfree(adis->xfer); } -/** - * 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 @@ -220,7 +178,10 @@ 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 +209,3 @@ 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); diff --git a/drivers/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c index 8afe71947c00..64e0ba51cb18 100644 --- a/drivers/iio/imu/adis_trigger.c +++ b/drivers/iio/imu/adis_trigger.c @@ -55,53 +55,6 @@ static int adis_validate_irq_flag(struct adis *adis) return 0; } -/** - * adis_probe_trigger() - Sets up trigger for a adis device - * @adis: The adis device - * @indio_dev: The IIO device - * - * Returns 0 on success or a negative error code - * - * adis_remove_trigger() should be used to free the trigger. - */ -int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev) -{ - int ret; - - adis->trig = iio_trigger_alloc("%s-dev%d", indio_dev->name, - indio_dev->id); - if (adis->trig == NULL) - return -ENOMEM; - - adis_trigger_setup(adis); - - ret = adis_validate_irq_flag(adis); - if (ret) - return ret; - - ret = request_irq(adis->spi->irq, - &iio_trigger_generic_data_rdy_poll, - adis->irq_flag, - indio_dev->name, - adis->trig); - if (ret) - goto error_free_trig; - - ret = iio_trigger_register(adis->trig); - - indio_dev->trig = iio_trigger_get(adis->trig); - if (ret) - goto error_free_irq; - - return 0; - -error_free_irq: - free_irq(adis->spi->irq, adis->trig); -error_free_trig: - iio_trigger_free(adis->trig); - return ret; -} -EXPORT_SYMBOL_GPL(adis_probe_trigger); /** * devm_adis_probe_trigger() - Sets up trigger for a managed adis device @@ -137,16 +90,3 @@ int devm_adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev) } EXPORT_SYMBOL_GPL(devm_adis_probe_trigger); -/** - * adis_remove_trigger() - Remove trigger for a adis devices - * @adis: The adis device - * - * Removes the trigger previously registered with adis_probe_trigger(). - */ -void adis_remove_trigger(struct adis *adis) -{ - iio_trigger_unregister(adis->trig); - free_irq(adis->spi->irq, adis->trig); - iio_trigger_free(adis->trig); -} -EXPORT_SYMBOL_GPL(adis_remove_trigger); diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index 2df67448f0d1..01ba691da2f3 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -517,14 +517,8 @@ struct adis_burst { int devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev, irq_handler_t trigger_handler); -int adis_setup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *)); -void adis_cleanup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev); int devm_adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev); -int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev); -void adis_remove_trigger(struct adis *adis); int adis_update_scan_mode(struct iio_dev *indio_dev, const unsigned long *scan_mask); @@ -538,33 +532,12 @@ devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev, return 0; } -static inline int adis_setup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *)) -{ - return 0; -} - -static inline void adis_cleanup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev) -{ -} - static inline int devm_adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev) { return 0; } -static inline int adis_probe_trigger(struct adis *adis, - struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis_remove_trigger(struct adis *adis) -{ -} - #define adis_update_scan_mode NULL #endif /* CONFIG_IIO_BUFFER */ -- 2.28.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel