Commit a6ccb03f authored by Jens Wiklander's avatar Jens Wiklander
Browse files

dma-buf: dma-heap: export declared functions 



Export the dma-buf heap functions to allow them to be used by the OP-TEE
driver. The OP-TEE driver wants to register and manage specific secure
DMA heaps with it.

Reviewed-by: default avatarSumit Garg <sumit.garg@oss.qualcomm.com>
Reviewed-by: default avatarT.J. Mercier <tjmercier@google.com>
Acked-by: default avatarSumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: default avatarJens Wiklander <jens.wiklander@linaro.org>
parent 15003d9c

drivers/dma-buf/dma-heap.c

+4 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/dma-buf.h>

#include <linux/dma-heap.h>

#include <linux/err.h>

#include <linux/export.h>

#include <linux/list.h>

#include <linux/nospec.h>

#include <linux/syscalls.h>
@@ -202,6 +203,7 @@ void *dma_heap_get_drvdata(struct dma_heap *heap) 
{

	return heap->priv;

}

EXPORT_SYMBOL_NS_GPL(dma_heap_get_drvdata, "DMA_BUF_HEAP");



/**

 * dma_heap_get_name - get heap name
@@ -214,6 +216,7 @@ const char *dma_heap_get_name(struct dma_heap *heap) 
{

	return heap->name;

}

EXPORT_SYMBOL_NS_GPL(dma_heap_get_name, "DMA_BUF_HEAP");



/**

 * dma_heap_add - adds a heap to dmabuf heaps
@@ -303,6 +306,7 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info) 
	kfree(heap);

	return err_ret;

}

EXPORT_SYMBOL_NS_GPL(dma_heap_add, "DMA_BUF_HEAP");



static char *dma_heap_devnode(const struct device *dev, umode_t *mode)

{