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iio: buffer-dmaengine: remove non managed alloc/free

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This is to encourage the use of devm_iio_dmaengine_buffer_alloc().
Currently the managed version of the DMAEngine buffer alloc is the only
function used from this part of the framework.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20200923121810.944075-1-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Alexandru Ardelean 2020-09-23 15:18:10 +03:00 committed by Jonathan Cameron
parent 57e5b8bfd6
commit 25918a9c64
2 changed files with 2 additions and 8 deletions
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6
drivers/iio/buffer/industrialio-buffer-dmaengine.c
View File

@ -159,7 +159,7 @@ static const struct attribute *iio_dmaengine_buffer_attrs[] = {
* Once done using the buffer iio_dmaengine_buffer_free() should be used to
* release it.
*/
struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
const char *channel)
{
struct dmaengine_buffer *dmaengine_buffer;
@ -211,7 +211,6 @@ err_free:
kfree(dmaengine_buffer);
return ERR_PTR(ret);
}
EXPORT_SYMBOL(iio_dmaengine_buffer_alloc);
/**
* iio_dmaengine_buffer_free() - Free dmaengine buffer
@ -219,7 +218,7 @@ EXPORT_SYMBOL(iio_dmaengine_buffer_alloc);
*
* Frees a buffer previously allocated with iio_dmaengine_buffer_alloc().
*/
void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
static void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
{
struct dmaengine_buffer *dmaengine_buffer =
iio_buffer_to_dmaengine_buffer(buffer);
@ -229,7 +228,6 @@ void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
iio_buffer_put(buffer);
}
EXPORT_SYMBOL_GPL(iio_dmaengine_buffer_free);
static void __devm_iio_dmaengine_buffer_free(struct device *dev, void *res)
{

4
include/linux/iio/buffer-dmaengine.h
View File

@ -10,10 +10,6 @@
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);