kernel_optimize_test/include/linux/iio/buffer-dmaengine.h
Alexandru Ardelean e0fcca9fbd iio: buffer-dmaengine: add dev-managed calls for buffer alloc
Currently, when using a 'iio_dmaengine_buffer_alloc()', an matching call to
'iio_dmaengine_buffer_free()' must be made.

With this change, this can be avoided by using
'devm_iio_dmaengine_buffer_alloc()'. The buffer will get free'd via the
device's devres handling.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19 16:56:22 +01:00

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C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2014-2015 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*/
#ifndef __IIO_DMAENGINE_H__
#define __IIO_DMAENGINE_H__
struct iio_buffer;
struct device;
struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
const char *channel);
void iio_dmaengine_buffer_free(struct iio_buffer *buffer);
struct iio_buffer *devm_iio_dmaengine_buffer_alloc(struct device *dev,
const char *channel);
#endif