android/android_kernel_xiaomi_sm8450
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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
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@ -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 * Once done using the buffer iio_dmaengine_buffer_free() should be used to
* release it. * 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) const char *channel)
{ {
struct dmaengine_buffer *dmaengine_buffer; struct dmaengine_buffer *dmaengine_buffer;
@ -211,7 +211,6 @@ struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
kfree(dmaengine_buffer); kfree(dmaengine_buffer);
return ERR_PTR(ret); return ERR_PTR(ret);
} }
EXPORT_SYMBOL(iio_dmaengine_buffer_alloc);
/** /**
* iio_dmaengine_buffer_free() - Free dmaengine buffer * 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(). * 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 = struct dmaengine_buffer *dmaengine_buffer =
iio_buffer_to_dmaengine_buffer(buffer); iio_buffer_to_dmaengine_buffer(buffer);
@ -229,7 +228,6 @@ void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
iio_buffer_put(buffer); iio_buffer_put(buffer);
} }
EXPORT_SYMBOL_GPL(iio_dmaengine_buffer_free);
static void __devm_iio_dmaengine_buffer_free(struct device *dev, void *res) 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 iio_buffer;
struct device; 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, struct iio_buffer *devm_iio_dmaengine_buffer_alloc(struct device *dev,
const char *channel); const char *channel);